{"id":5546,"date":"2025-02-06T06:13:13","date_gmt":"2025-02-06T05:13:13","guid":{"rendered":"https:\/\/rock-the-prototype.com\/uncategorized\/domain-driven-design-ddd\/"},"modified":"2025-02-06T09:57:54","modified_gmt":"2025-02-06T08:57:54","slug":"domain-driven-design-ddd","status":"publish","type":"encyclopedia","link":"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/","title":{"rendered":"Domain Driven Design (DDD)"},"content":{"rendered":"<p><\/p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\"><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1144px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Inhaltsverzeichnis<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #ffffff;color:#ffffff\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #ffffff;color:#ffffff\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#What_is_Domain-Driven_Design_DDD\" >What is Domain-Driven Design (DDD)?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Why_is_domain-driven_design_important\" >Why is domain-driven design important?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Differentiation_from_other_architectural_approaches\" >Differentiation from other architectural approaches<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Target_group_When_and_for_whom_is_domain-driven_design_useful\" >Target group: When and for whom is domain-driven design useful?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#%E2%9C%85_DDD_is_particularly_suitable_for\" >&#x2705; DDD is particularly suitable for:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#%E2%9D%8C_DDD_is_less_useful_for\" >&#x274c; DDD is less useful for:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Domain-Driven_Design_%E2%80%93_compact_and_to_the_point\" >Domain-Driven Design &#8211; compact and to the point<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#History_and_origin_of_Domain-Driven_Design_DDD\" >History and origin of Domain-Driven Design (DDD)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Emergence_of_domain-driven_design_by_Eric_Evans\" >Emergence of domain-driven design by Eric Evans<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Influence_on_modern_software_architectures\" >Influence on modern software architectures<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Further_development_and_influence_on_modern_frameworks\" >Further development and influence on modern frameworks<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Basic_concepts_and_principles_of_domain-driven_design\" >Basic concepts and principles of domain-driven design<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Ubiquitous_Language\" >Ubiquitous Language<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Bounded_Contexts\" >Bounded Contexts<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Entities_vs_value_objects\" >Entities vs. value objects<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Aggregates_grouping_of_domain_objects\" >Aggregates (grouping of domain objects)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Repositories_data_access_in_DDD\" >Repositories (data access in DDD)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Domain_events_event-based_communication_in_DDD\" >Domain events (event-based communication in DDD)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Factories_Services\" >Factories &amp; Services<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Interim_conclusion\" >Interim conclusion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Strategic_design_high-level_architecture\" >Strategic design (high-level architecture)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Bounded_contexts_and_context_mapping_context_maps\" >Bounded contexts and context mapping (context maps)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Taktisches_Design_Detailkonzepte\" >Taktisches Design (Detailkonzepte)<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Tactical_design_concerns_the_concrete_modeling_of_business_logic_data_structures_and_architecture_patterns\" >Tactical design concerns the concrete modeling of business logic, data structures and architecture patterns.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Aggregates_Aggregate_Roots_Encapsulation_and_transaction_limits\" >Aggregates &amp; Aggregate Roots (Encapsulation and transaction limits)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Domain_services_business_logic_outside_of_objects\" >Domain services (business logic outside of objects)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Application_Services_vs_Domain_Services_Separation_of_application_logic\" >Application Services vs. Domain Services (Separation of application logic)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Factories_Repositories_Creation_and_persistence_of_domain_objects\" >Factories &amp; Repositories (Creation and persistence of domain objects)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Context_Mapping_Typical_patterns_for_relationships_between_bounded_contexts\" >Context Mapping: Typical patterns for relationships between bounded contexts<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Anticorruption_Layer_ACL\" >Anticorruption Layer (ACL)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Shared_Kernel_Separated_Ways\" >Shared Kernel &amp; Separated Ways<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Open_Host_Service_Published_Language\" >Open Host Service &amp; Published Language<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Event_Storming_as_a_modeling_method\" >Event Storming as a modeling method<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#DDD_in_practice\" >DDD in practice<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Use_in_microservices_DDD_as_an_architectural_basis\" >Use in microservices (DDD as an architectural basis)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Event_Sourcing_CQRS_Command_Query_Responsibility_Segregation\" >Event Sourcing &amp; CQRS (Command Query Responsibility Segregation)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Exemplary_implementations_in_various_programming_languages\" >Exemplary implementations in various programming languages<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#%E2%9C%85_Best_practices\" >&#x2705; Best practices:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#%F0%9F%9A%A8_Common_mistakes\" >&#x1f6a8; Common mistakes:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Challenges_and_limitations_of_DDD\" >Challenges and limitations of DDD<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-41\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#When_is_DDD_overkill\" >When is DDD overkill?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-42\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Challenges_when_introducing_in_teams\" >Challenges when introducing in teams<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-43\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_is_Domain-Driven_Design_DDD\"><\/span><strong>What is Domain-Driven Design (DDD)?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Domain-Driven Design (DDD) is a <strong>strategic approach<\/strong> to software development that focuses on placing the <strong>functional domain<\/strong> of a system at the center of the architecture. Instead of focusing primarily on technical aspects such as databases, frameworks or infrastructure, DDD relies on close interaction between <strong>developers<\/strong> and <strong>domain experts<\/strong>. The aim is to develop a <strong>common understanding of the specialist logic<\/strong> and to map this directly in the code.<\/p>\n<p>DDD consists of <strong>strategic and tactical principles<\/strong> that help to model <strong>complex business logic<\/strong> in a clear, maintainable and scalable way. This is done by:<\/p>\n<ul>\n<li><strong>Ubiquitous Language<\/strong>: A standardized, domain-specific language for developers and specialist departments.<\/li>\n<li><strong>Bounded contexts<\/strong>: Clear delineation of responsibilities within the software.<\/li>\n<li><strong>Domain models<\/strong>: Direct mapping of business logic in code using <strong>entities, value objects, aggregates and domain services<\/strong>.<\/li>\n<li><strong>Event-driven architecture<\/strong>: Use of <strong>domain events<\/strong> for communication between components.<\/li>\n<\/ul>\n\n<\/div><a class=\"fusion-modal-text-link\" data-toggle=\"modal\" data-target=\".fusion-modal.Spotify Podcast Folge 21 - Software Architektur Reviews - Interview mit Stefan Z&ouml;rner - Rock the Prototype - Softwareentwicklung &amp; Prototyping\" href=\"#\"><iframe class=\"lazyload\" style=\"border-radius: 12px;\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27100%27%20height%3D%27352%27%20viewBox%3D%270%200%20100%20352%27%3E%3Crect%20width%3D%27100%27%20height%3D%27352%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/open.spotify.com\/embed\/episode\/510fJbzqgu04yjWzjGRx5B?utm_source=generator\" width=\"100%\" height=\"352\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/a>\n<div class=\"fusion-text fusion-text-2\" style=\"--awb-margin-top:4%;\"><h2><span class=\"ez-toc-section\" id=\"Why_is_domain-driven_design_important\"><\/span><strong>Why is domain-driven design important?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Software projects with complex business logic often fail because:<\/p>\n<ul>\n<li>developers do not fully understand the technical logic.<\/li>\n<li>domain knowledge is not consistently anchored in the code.<\/li>\n<li>Software architecture is too strongly characterized by technical rather than functional aspects.<\/li>\n<li>Lack of communication between developers and technical experts leads to misunderstandings.<\/li>\n<\/ul>\n<p>DDD helps to solve these problems by creating a <strong>clear structure<\/strong> and requiring <strong>close collaboration<\/strong> between developers and business teams. The advantages:<\/p>\n<ol>\n<li><strong>Better comprehensibility and maintainability<\/strong>\n<ul>\n<li>By focusing on <strong>technical concepts<\/strong>, code can be read and understood more intuitively.<\/li>\n<li>Changes in the domain can be mapped more easily in the code.<\/li>\n<\/ul>\n<\/li>\n<li><strong>More efficient collaboration<\/strong>\n<ul>\n<li>A standardized <strong>ubiquitous language<\/strong> facilitates communication between all parties involved.<\/li>\n<li>Misunderstandings between developers and business stakeholders are reduced.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Scalable and sustainable software<\/strong>\n<ul>\n<li>The clear separation of <strong>bounded contexts<\/strong> makes it easier to <strong>modularize<\/strong> systems.<\/li>\n<li>Scaling is made easier, especially in <strong>microservice architectures<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Better adaptability to changing requirements<\/strong>\n<ul>\n<li>Companies and markets are constantly changing &ndash; DDD provides a <strong>flexible architecture<\/strong> that absorbs changes more easily.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/div><a class=\"fusion-modal-text-link\" data-toggle=\"modal\" data-target=\".fusion-modal.Apple Podcast Folge 21 - Software Architektur Reviews - Interview mit Stefan Z&ouml;rner - Rock the Prototype - Softwareentwicklung &amp; Prototyping\" href=\"#\"><iframe style=\"width: 100%; max-width: 660px; overflow: hidden; border-radius: 10px;\" src=\"https:\/\/embed.podcasts.apple.com\/us\/podcast\/folge-21-software-architektur-reviews-interview-mit\/id1684107786?i=1000669894186\" height=\"175\" frameborder=\"0\" sandbox=\"allow-forms allow-popups allow-same-origin allow-scripts allow-storage-access-by-user-activation allow-top-navigation-by-user-activation\"><\/iframe><\/a>\n<div class=\"fusion-text fusion-text-3\" style=\"--awb-margin-top:4%;\"><h2><span class=\"ez-toc-section\" id=\"Differentiation_from_other_architectural_approaches\"><\/span><strong>Differentiation from other architectural approaches<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DDD is not a concrete architecture model, but a <strong>philosophical approach<\/strong> to software design. Nevertheless, there are frequent overlaps and misunderstandings with other architectural patterns:<\/p>\n<ol>\n<li><strong>DDD vs. layered architecture<\/strong>\n<ul>\n<li><strong>Layered architecture (e.g. 3-tier or hexagonal architecture)<\/strong> separates technical aspects such as presentation, business logic and data storage.<\/li>\n<li><strong>DDD focuses on the domain<\/strong>, while layered architecture is usually focused on technological aspects.<\/li>\n<li>Both can be combined: <strong>DDD can be implemented in a layered architecture<\/strong> (e.g. with a dedicated &ldquo;domain layer&rdquo;).<\/li>\n<\/ul>\n<\/li>\n<li><strong>DDD vs. <a href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/microservices\/\" target=\"_blank\" title=\"Microservices are small, autonomous services that work together. The key to a good microservice architecture lies in the implementation of small and autonomous microservices.\" class=\"encyclopedia\">microservices<\/a><\/strong>\n<ul>\n<li><strong>DDD can support microservices<\/strong> by using <strong>bounded contexts<\/strong> to define clear interfaces between microservices.<\/li>\n<li><strong>But DDD is not synonymous with microservices!<\/strong> It is also suitable for monolithic architectures.<\/li>\n<li><strong>Microservices without DDD<\/strong> often lead to &ldquo;distributed chaos&rdquo; because they do not have a clearly defined <strong>functional boundary (bounded context)<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<li><strong>DDD vs. REST API design<\/strong>\n<ul>\n<li>Many REST APIs are <strong>technically driven<\/strong> and based on <strong>CRUD models<\/strong>.<\/li>\n<li><strong>DDD APIs model business logic<\/strong>, not just data storage. For example, <strong>commands and domain events<\/strong> are often more useful than simple CRUD operations.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/div><div class=\"fusion-video fusion-youtube\" style=\"--awb-max-width:1080px;--awb-max-height:608px;--awb-align-self:center;--awb-width:100%;\"><div class=\"video-shortcode\"><priv-fac-lite-youtube class=\"fusion-hidden lty-load\" data-privacy-type=\"youtube\" videoid=\"I2wVzFAAyjA\" params=\"wmode=transparent&amp;autoplay=1&amp;enablejsapi=1\" title=\"Komplexit&auml;t in IT-Architektur beherrschen! Klare Anforderungen f&uuml;r sichere Software!\" data-button-label=\"Play Video\" width=\"1080\" height=\"608\" data-thumbnail-size=\"auto\" data-no-cookie=\"on\"><\/priv-fac-lite-youtube><div class=\"fusion-privacy-placeholder\" style=\"width:1080px; height:608px;\" data-privacy-type=\"youtube\"><div class=\"fusion-privacy-placeholder-content\"><div class=\"fusion-privacy-label\">For privacy reasons YouTube needs your permission to be loaded. For more details, please see our <a class=\"privacy-policy-link\" href=\"https:\/\/rock-the-prototype.com\/datenschutzerklaerung\/\" rel=\"privacy-policy\">Datenschutzerkl&auml;rung<\/a>.<\/div><button data-privacy-type=\"youtube\" class=\"fusion-button button-default fusion-button-default-size button fusion-privacy-consent\">I Accept<\/button><\/div><\/div><\/div><\/div>\n<div class=\"fusion-text fusion-text-4\" style=\"--awb-margin-top:4%;\"><h2><span class=\"ez-toc-section\" id=\"Target_group_When_and_for_whom_is_domain-driven_design_useful\"><\/span><strong>Target group: When and for whom is domain-driven design useful?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DDD is not the right choice for every project. It shows its strengths particularly in <strong>complex software projects with sophisticated business logic<\/strong>. Here are some <strong>guidelines on when DDD makes sense<\/strong>:<\/p>\n<h3>&#9989; <strong>DDD is particularly suitable for:<\/strong><\/h3>\n<ul>\n<li>Companies with a <strong>dynamic, frequently changing business logic<\/strong> (e.g. banks, insurance companies, e-commerce).<\/li>\n<li>Teams that require <strong>close collaboration with domain experts<\/strong>.<\/li>\n<li>Software that is <strong>maintained and expanded over the long term<\/strong>.<\/li>\n<li><strong>Microservices and scalable systems<\/strong> that require a clear separation of responsibilities.<\/li>\n<\/ul>\n<h3>&#10060; <strong>DDD is less useful for:<\/strong><\/h3>\n<ul>\n<li><strong>Small or one-off projects<\/strong> where the business logic is very simple.<\/li>\n<li><strong>CRUD applications<\/strong> that only map simple data operations.<\/li>\n<li><strong>Rapid <a href=\"https:\/\/rock-the-prototype.com\/en\/prototyping-en\/prototyping\/\" target=\"_blank\" title=\"What is prototyping? Prototyping is both a process and a strategy for realizing ideas as quickly as possible.\" class=\"encyclopedia\">prototyping<\/a><\/strong> when a solution needs to be developed quickly.<\/li>\n<li><strong>Short-lived applications<\/strong> that do not require long-term maintenance.<\/li>\n<\/ul>\n<h3><strong>Domain-Driven Design &ndash; <\/strong>compact and to the point<\/h3>\n<ul>\n<li><strong>DDD helps to<\/strong> model <strong>complex business logic<\/strong> in a clear, comprehensible and scalable way.<\/li>\n<li><strong>Focus on the domain<\/strong> instead of technical details.<\/li>\n<li><strong>Supports team communication<\/strong> through a common language (ubiquitous language).<\/li>\n<li><strong>Can be combined with layered architecture, microservices and event-driven design<\/strong>.<\/li>\n<li><strong>Not useful for every project<\/strong>, but especially for <strong>complex software systems that have grown over the long term<\/strong>.<\/li>\n<\/ul>\n<\/div><div class=\"fusion-text fusion-text-5\"><h2><span class=\"ez-toc-section\" id=\"History_and_origin_of_Domain-Driven_Design_DDD\"><\/span><strong>History and origin of Domain-Driven Design (DDD)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Emergence_of_domain-driven_design_by_Eric_Evans\"><\/span><strong>Emergence of domain-driven design by Eric Evans<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Domain-Driven Design was developed by <a href=\"https:\/\/de.wikipedia.org\/wiki\/Eric_Evans\" target=\"_blank\" rel=\"noopener\"><strong>Eric Evans<\/strong><\/a> who published his book <strong>&ldquo;Domain-Driven Design: <a href=\"https:\/\/fabiofumarola.github.io\/nosql\/readingMaterial\/Evans03.pdf\" target=\"_blank\" rel=\"noopener\">Tackling Complexity in the Heart of Software<\/a>&ldquo;<\/strong> in 2003. This work set a <strong>milestone in software development<\/strong> by introducing a new approach to tackling <strong>complex business logic<\/strong>. Evans recognized that many software projects fail because developers do not understand the actual <strong>business domain<\/strong> deeply enough. His solution was to <strong>put the domain at the center of the software architecture<\/strong> and establish a common language between developers and business stakeholders.<\/p>\n<p>DDD differs from other methods in that it offers <strong>not only technological, but also conceptual principles<\/strong> for modeling software. It is less about a specific technical <a href=\"https:\/\/rock-the-prototype.com\/en\/programming-languages-frameworks\/framework\/\" target=\"_blank\" title=\"A framework is a set of guidelines or rules that provides a structure for the organization and development of code in a particular programming language or platform. The framework serves as a basis or blueprint on which to build when developing software applications.\" class=\"encyclopedia\">framework<\/a> and more about a <strong>strategic approach<\/strong> to software architecture.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Influence_on_modern_software_architectures\"><\/span><strong>Influence on modern software architectures<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Since its publication, DDD has <strong>significantly changed the way software is designed<\/strong>, especially in <strong>enterprise applications<\/strong>. While traditional software architectures were often oriented towards technical layers (e.g. database, application, UI), DDD focused on the <strong>functional structure of the domain<\/strong>. This resulted in new best practices for <strong>modularization, loose coupling and testability<\/strong>.<\/p>\n<\/div><div class=\"fusion-text fusion-text-6\"><h3><span class=\"ez-toc-section\" id=\"Further_development_and_influence_on_modern_frameworks\"><\/span><strong>Further development and influence on modern frameworks<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DDD has influenced numerous modern architectural principles and frameworks. These include, among others:<\/p>\n<ul>\n<li><strong>Spring (<a href=\"https:\/\/rock-the-prototype.com\/en\/programming-languages-frameworks\/java\/\" target=\"_blank\" title=\"What is Java suitable for in programming? Java is very popular as the official language for developing Android apps. It is a general purpose programming language. This programming language is supported by Google and a large active community of developers.\" class=\"encyclopedia\">Java<\/a> environment):<\/strong>\n<ul>\n<li>Frameworks such as <strong>Spring Boot<\/strong> and <strong>Spring Data<\/strong> offer native support for many DDD concepts, especially for <strong>repositories<\/strong> and <strong>aggregate roots<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<li><strong>NET (C# environment):<\/strong>\n<ul>\n<li>The <strong>ASP.NET Core Framework<\/strong> supports DDD with Dependency Injection, CQRS and Event Sourcing.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Event Sourcing &amp; CQRS:<\/strong>\n<ul>\n<li>DDD has contributed significantly to the popularity of <strong>event sourcing and CQRS (Command Query Responsibility Segregation)<\/strong> as architectural approaches.<\/li>\n<li>Systems such as <strong>Axon Framework (Java)<\/strong> or <strong>EventStore (C#)<\/strong> were strongly inspired by DDD.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>Thanks to these further developments, DDD is now a <strong>fundamental concept in modern software development<\/strong>, especially for <strong><a href=\"https:\/\/rock-the-prototype.com\/en\/cloud-computing-cloud-technology\/cloud\/\" target=\"_blank\" title=\"What is cloud? Cloud or cloud computing moves data and programs from desktop PCs or servers in a company to remote cloud servers. Cloud storage therefore consists of a standard server network in a cloud data center or distributed across several cloud server locations.\" class=\"encyclopedia\">cloud<\/a>-native applications, microservices and complex enterprise software<\/strong>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Basic_concepts_and_principles_of_domain-driven_design\"><\/span><strong>Basic concepts and principles of domain-driven design<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DDD is based on a <strong>series of core principles and architectural patterns<\/strong> that enable a clear separation of <strong>technical and functional aspects<\/strong>.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ubiquitous_Language\"><\/span><strong>Ubiquitous Language<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Problem:<\/strong><br>\nIn many software projects, there is a discrepancy between the language of the <strong>developers<\/strong> and the language of the <strong>technical experts<\/strong>.<\/p>\n<p><strong>Solution:<\/strong><\/p>\n<ul>\n<li>Introduction of a <strong>common language<\/strong> that is <strong>understood<\/strong> by developers and domain experts <strong>alike<\/strong>.<\/li>\n<li>This language is adopted directly in the code &ndash; <strong>classes, methods and <a href=\"https:\/\/rock-the-prototype.com\/en\/learn-programming\/variables\/\" target=\"_blank\" title=\"Variables are data values that software developers use when values can change in the course of a computer program.\" class=\"encyclopedia\">variables<\/a><\/strong> reflect <strong>technical concepts<\/strong>.<\/li>\n<\/ul>\n<p><strong>Example:<\/strong><br>\nIn a <strong>banking application<\/strong>, there could be a class <code>Girokonto<\/code> with methods such as <code>BuchungVornehmen()<\/code> instead of <code>processTransaction()<\/code>.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Bounded_Contexts\"><\/span><strong>Bounded Contexts<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Problem:<\/strong><br>\nIn large systems, there are often <strong>confusing domain models<\/strong> that lead to misunderstandings and unclear responsibilities.<\/p>\n<p><strong>Solution:<\/strong><\/p>\n<ul>\n<li>Division of the system into <strong>clearly defined sub-areas (bounded contexts)<\/strong>.<\/li>\n<li>Each <strong>bounded context<\/strong> has <strong>its own ubiquitous language<\/strong> and <strong>clear interfaces to other contexts<\/strong>.<\/li>\n<\/ul>\n<p><strong>Example:<\/strong><br>\nAn <strong>e-commerce system<\/strong> could have separate <strong>bounded contexts<\/strong> for <strong>orders, payment processing and customer management<\/strong>.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Entities_vs_value_objects\"><\/span><strong>Entities vs. value objects<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Entities:<\/strong><\/p>\n<ul>\n<li>Have a <strong>unique identity<\/strong> that makes them unmistakable throughout their life cycle.<\/li>\n<li>Example: A <code>Kunde<\/code> with a unique <code>Kunden-ID<\/code>.<\/li>\n<\/ul>\n<p><strong>Value Objects:<\/strong><\/p>\n<ul>\n<li>Are <strong>interchangeable values without identity<\/strong>.<\/li>\n<li>Example: A <code>Adresse<\/code> consists of a street, zip code and town &ndash; but two identical addresses <strong>cannot be distinguished<\/strong>.<\/li>\n<\/ul>\n<p><strong>When should you use entities or value objects?<\/strong><\/p>\n<ul>\n<li><strong>Entities<\/strong> are suitable for <strong>changeable data<\/strong> that requires an identity.<\/li>\n<li><strong>Value Objects<\/strong> are suitable for <strong>unchangeable data<\/strong> that can be exchanged or copied.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Aggregates_grouping_of_domain_objects\"><\/span><strong>Aggregates (grouping of domain objects)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Problem:<\/strong><br>\nIf a system has many <strong>linked objects<\/strong>, the management of dependencies can quickly become complex.<\/p>\n<p><strong>Solution:<\/strong><\/p>\n<ul>\n<li>Grouping of related <strong>entities and value objects<\/strong> in an <strong>aggregate<\/strong>.<\/li>\n<li>The aggregate has a <strong>central root (aggregate root)<\/strong> that serves as a single access point.<\/li>\n<\/ul>\n<p><strong>Example:<\/strong><br>\nA <code>Bestellung<\/code> aggregate could contain the following entities and value objects:<\/p>\n<ul>\n<li><strong>Order (Aggregate Root)<\/strong><\/li>\n<li><strong>Order items (entities)<\/strong><\/li>\n<li><strong>Delivery address (Value Object)<\/strong><\/li>\n<\/ul>\n<p>Advantage: External components <strong>only<\/strong> interact <strong>with the Aggregate Root<\/strong>, which <strong>prevents inconsistencies<\/strong>.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Repositories_data_access_in_DDD\"><\/span><strong>Repositories (data access in DDD)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Problem:<\/strong><br>\nDirect access to databases can lead to business logic and persistence being mixed up.<\/p>\n<p><strong>Solution:<\/strong><\/p>\n<ul>\n<li><strong>Repositories encapsulate data access<\/strong> and offer a <strong>domain-specific API<\/strong> for aggregates.<\/li>\n<li>This keeps the <strong>domain logic<\/strong> separate <strong>from technical details<\/strong> (SQL, ORM).<\/li>\n<\/ul>\n<p><strong>Example:<\/strong><br>\nA <code>BestellRepository<\/code> could offer methods such as <code>findeBestellungNachKunde(Kunde k)<\/code> instead of streaming an SQL query.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Domain_events_event-based_communication_in_DDD\"><\/span><strong>Domain events (event-based communication in DDD)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Problem:<\/strong><br>\nIf an important state changes in a domain, several components often have to react to it.<\/p>\n<p><strong>Solution:<\/strong><\/p>\n<ul>\n<li>Introduction of <strong>domain events<\/strong> that signal changes in the system.<\/li>\n<li>Events can be subscribed to by other parts of the system.<\/li>\n<\/ul>\n<p><strong>Example:<\/strong><\/p>\n<ul>\n<li><code>BestellungErstelltEvent<\/code> is triggered when a new order is received.<\/li>\n<li><code>VersandService<\/code> reacts to this and starts the shipping process.<\/li>\n<\/ul>\n<p>DDD and <strong>event sourcing<\/strong> often complement each other perfectly, as both rely on <strong>event-based systems<\/strong>.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Factories_Services\"><\/span><strong>Factories &amp; Services<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>In DDD, <strong>business logic<\/strong> is <strong>not<\/strong> written <strong>in entities<\/strong> if it cannot be clearly assigned to an individual object. There is a solution for this:<\/p>\n<ul>\n<li><strong>Factories:<\/strong>\n<ul>\n<li>Responsible for the <strong>creation of complex aggregates<\/strong>.<\/li>\n<li>Example: <code>BestellungFactory<\/code> creates an order with all the required items and values.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Services:<\/strong>\n<ul>\n<li>Contain <strong>functional logic<\/strong> that is not directly assigned to an entity.<\/li>\n<li>Example: <code>RabattService<\/code> calculates discounts for orders.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Interim_conclusion\"><\/span>Interim conclusion<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>DDD is a powerful <strong>approach for modeling complex business logic<\/strong>.<\/li>\n<li>It brings <strong>clear structures, separation of responsibilities and close cooperation with business experts<\/strong>.<\/li>\n<li>Concepts such as <strong>ubiquitous language, bounded contexts, aggregates and domain events<\/strong> create <strong>robust and scalable software<\/strong>.<\/li>\n<li>Modern frameworks such as <strong>Spring, .NET and event sourcing technologies<\/strong> already integrate many DDD principles natively.<\/li>\n<\/ul>\n<p>&#10145;&#65039; <strong>If software is more than just CRUD operations, then DDD is a decisive factor for long-term success.<\/strong><\/p>\n<\/div><a class=\"fusion-modal-text-link\" data-toggle=\"modal\" data-target=\".fusion-modal.Podcast Software Development - Idea generation and creativity in software development\" href=\"#\"><iframe class=\"lazyload\" style=\"border-radius: 12px;\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27100%27%20height%3D%27352%27%20viewBox%3D%270%200%20100%20352%27%3E%3Crect%20width%3D%27100%27%20height%3D%27352%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/open.spotify.com\/embed\/episode\/54PtfzZlt3gTfrxDcx4wrC?utm_source=generator\" width=\"100%\" height=\"352\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/a>\n<div class=\"fusion-text fusion-text-7\"><h3><span class=\"ez-toc-section\" id=\"Strategic_design_high-level_architecture\"><\/span>Strategic design (high-level architecture)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Strategic design in Domain-Driven Design (DDD) focuses on the <strong>structured division of complex systems<\/strong> into clear <strong>domain area<\/strong>s. The focus here is on demarcation, interoperability and scalability.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Bounded_contexts_and_context_mapping_context_maps\"><\/span>Bounded contexts and context mapping (context maps)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>A bounded context defines the boundaries of a domain model and ensures that terms and business logic remain consistent.<\/li>\n<li>In complex systems, there are often several bounded contexts that encapsulate different parts of a system.<\/li>\n<li>Context mapping helps to visualize and analyse the relationships between these contexts.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Taktisches_Design_Detailkonzepte\"><\/span><strong>Taktisches Design (Detailkonzepte)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"Tactical_design_concerns_the_concrete_modeling_of_business_logic_data_structures_and_architecture_patterns\"><\/span>Tactical design concerns the concrete modeling of business logic, data structures and architecture patterns.<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Entities and value objects (identity vs. value equality)<\/li>\n<li>Entities are uniquely identifiable objects with a lifespan and individual changes. Example: customer, order, product.<\/li>\n<li>Value objects represent exchangeable, unchangeable values such as currencies, addresses or coordinates.<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Aggregates_Aggregate_Roots_Encapsulation_and_transaction_limits\"><\/span><strong>Aggregates &amp; Aggregate Roots (Encapsulation and transaction limits)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Aggregates are groups of objects that are managed as a single unit.<\/li>\n<li>An aggregate root is the entry point through which all changes to the aggregate are made.<\/li>\n<li>Aggregates help to ensure data consistency and avoid uncontrolled dependencies.<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Domain_services_business_logic_outside_of_objects\"><\/span>Domain services (business logic outside of objects)<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>If a business logic does not clearly belong to an entity or a value object, it can be encapsulated in a domain service.<\/li>\n<li>Example: Calculation of delivery costs based on several factors.<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Application_Services_vs_Domain_Services_Separation_of_application_logic\"><\/span><strong>Application Services vs. Domain Services (Separation of application logic)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Application services control application processes and orchestrate domain logic without containing direct business logic.<\/li>\n<li>Domain services contain pure business logic and are independent of infrastructure or external dependencies.n.<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Factories_Repositories_Creation_and_persistence_of_domain_objects\"><\/span><strong>Factories &amp; Repositories (Creation and persistence of domain objects)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Factories encapsulate complex object instantiations when direct constructor calls are not sufficient.<\/li>\n<li>Repositories abstract access to data sources in order to consistently store and retrieve an aggregate.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Context_Mapping_Typical_patterns_for_relationships_between_bounded_contexts\"><\/span><strong>Context Mapping: Typical patterns for relationships between bounded contexts<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Context mapping is a technique in Domain-Driven Design (DDD) that describes how different bounded contexts interact with each other within a system and which patterns can be used for their collaboration.<\/p>\n<p>&#128218; <strong>Quelle:<\/strong> <em>Eric Evans (2003) &ndash; &ldquo;<a href=\"https:\/\/www.pearson.de\/domain-driven-design-tackling-complexity-in-the-heart-of-software-9780321125217\" target=\"_blank\" rel=\"noopener\">Domain-Driven Design: Tackling Complexity in the Heart of Software<\/a>&ldquo;<\/em><\/p>\n<ul>\n<li><strong>Shared Kernel:<\/strong> Two teams or systems share a common code base for critical domain logic.<\/li>\n<li><strong>Customer-Supplier:<\/strong> One system (customer) is dependent on another (supplier), which requires clear interfaces.<\/li>\n<li><strong>Conformist:<\/strong> A dependent bounded context adopts the terminology and model of another without making any adjustments.<\/li>\n<\/ul>\n<p>&#128218; <strong>Zus&auml;tzliche Quelle:<\/strong> <em><a href=\"https:\/\/elibrary.pearson.de\/book\/99.150005\/9780133039924\" target=\"_blank\" rel=\"noopener\">Vaughn Vernon (2013) &ndash; &ldquo;Implementing Domain-Driven Design<\/a>&ldquo;<\/em>, Chapter about <strong>Context Mapping Patterns<\/strong>.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Anticorruption_Layer_ACL\"><\/span><strong>Anticorruption Layer (ACL)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>An anti-corruption layer (ACL) is a protective layer that prevents external systems or incompatible models from directly influencing the domain logic by enabling translation and decoupling between systems.<\/p>\n<p>&#128218; <strong>Quelle:<\/strong> <em>Eric Evans (2003), Kapitel 14 &ndash; &ldquo;Maintaining Model Integrity&rdquo;<\/em><\/p>\n<ul>\n<li>Objective: To protect the internal domain logic by introducing a translation layer between incompatible systems.<\/li>\n<li>Example: If a new system has to communicate with an old, unstructured legacy system, the ACL prevents a direct link.<\/li>\n<\/ul>\n<p>&#128218; <strong>Additional source:<\/strong> <strong>Newman, Sam.<\/strong> <a href=\"https:\/\/www.oreilly.com\/library\/view\/building-microservices-2nd\/9781492034018\/\" target=\"_blank\" rel=\"noopener\"><em>Building Microservices: Designing Fine-Grained Systems.<\/em> 2nd ed. O&rsquo;Reilly Media, 2021<\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Shared_Kernel_Separated_Ways\"><\/span><strong>Shared Kernel &amp; Separated Ways<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Shared Kernel and Separated Ways are two opposing strategies for splitting systems: While a shared kernel uses a common code base for critical domain logic, separated ways pursue a complete separation without dependencies between the systems.<\/p>\n<p>&#128218; Source<strong>:<\/strong> <em>Eric Evans (2003), Chapter 14 &ndash; &ldquo;Strategic Design&rdquo;<\/em><\/p>\n<ul>\n<li><strong>Shared Kernel:<\/strong> Teams or subsystems share a central code base to avoid redundant implementations.<\/li>\n<li><strong>Separated Ways:<\/strong> If two systems are completely separate because they have no functional dependencies, each remains self-sufficient.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Open_Host_Service_Published_Language\"><\/span><strong>Open Host Service &amp; Published Language<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>An Open Host Service provides a central, well-defined interface through which multiple external systems can access a domain, while Published Language defines a standardized communication protocol to avoid misunderstandings between systems.<\/p>\n<p>&#128218; Source<strong>:<\/strong> <em>Vaughn Vernon (2013), Chapter about Open Host Service Patterns<\/em><\/p>\n<ul>\n<li><strong>Open Host Service:<\/strong> A clearly defined interface (API) via which several clients can interact with a system.<\/li>\n<li><strong>Published Language:<\/strong> A standardized, well-defined protocol (e.g. REST, GraphQL or gRPC) that serves as a communication standard between bounded contexts.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Event_Storming_as_a_modeling_method\"><\/span><strong>Event Storming as a modeling method<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Event Storming is an interactive workshop technique for modelling business processes in domain-driven software development, in which central events are identified and visualized in a sequential representation to create a common understanding between developers and business experts.<\/p>\n<p>&#128218; Source<strong>:<\/strong> <a href=\"https:\/\/dokumen.pub\/introducing-eventstorming-1nbsped.html\" target=\"_blank\" rel=\"noopener\"><strong>Brandolini, Alberto.<\/strong> <em>Introducing Event Storming.<\/em> 1st ed. Leanpub, 2013<\/a>.<\/p>\n<ul>\n<li>Event Storming is a workshop technique for visually modeling business processes using events.<\/li>\n<li>Core idea: Domain experts and developers work together to visualize critical processes and event flows.<\/li>\n<\/ul>\n<p>&#128218; <strong>Additional source<\/strong><strong>:<\/strong> <em>&ldquo;Event Storming: A practical guide to business process discovery&rdquo;<\/em>, Alberto Brandolini.<\/p>\n<p>DDD patterns are an integral part of modern software architecture and have a major influence on microservices, event sourcing and CQRS, among other things.<\/p>\n<\/div><a class=\"fusion-modal-text-link\" data-toggle=\"modal\" data-target=\".fusion-modal.Podcast Episode 1 - Idea generation and creativity in software development - Rock the Prototype - Software Development\" href=\"#\"><iframe style=\"width: 100%; max-width: 660px; overflow: hidden; border-radius: 10px;\" src=\"https:\/\/embed.podcasts.apple.com\/us\/podcast\/episode-1-idea-generation-and-creativity-in-software\/id1684835330?i=1000611051749\" height=\"175\" frameborder=\"0\" sandbox=\"allow-forms allow-popups allow-same-origin allow-scripts allow-storage-access-by-user-activation allow-top-navigation-by-user-activation\"><\/iframe><\/a>\n<div class=\"fusion-text fusion-text-8\" style=\"--awb-margin-top:4%;\"><h2><span class=\"ez-toc-section\" id=\"DDD_in_practice\"><\/span>DDD in practice<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DDD is present in many modern architectures and has a direct influence on microservices, event sourcing and CQRS.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Use_in_microservices_DDD_as_an_architectural_basis\"><\/span>Use in microservices (DDD as an architectural basis)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Microservices often correspond to independent bounded contexts that cover a specific domain.<br>\nDDD helps to define clear interfaces and reduce dependencies between services.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Event_Sourcing_CQRS_Command_Query_Responsibility_Segregation\"><\/span>Event Sourcing &amp; CQRS (Command Query Responsibility Segregation)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Event sourcing saves every change as an event instead of overwriting the current status of an object.<br>\nCQRS separates read and write models to improve scalability and performance.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Exemplary_implementations_in_various_programming_languages\"><\/span>Exemplary implementations in various programming languages<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Java with Spring Boot: use of hexagonal architecture, JPA and domain events.<br>\n.NET with Entity Framework: Use of aggregates, repositories and domain services.<br>\n<a href=\"https:\/\/rock-the-prototype.com\/en\/programming-languages-frameworks\/python\/\" target=\"_blank\" title=\"Python is an object-oriented programming language. Python is currently one of the most widely used programming languages. Why you should program in Python...\" class=\"encyclopedia\">Python<\/a> with FastAPI or Django: implementation of aggregates and event-driven architecture.<br>\nBest practices and common mistakes<\/p>\n<h3>&#9989; Best practices:<\/h3>\n<ul>\n<li>Define clear bounded contexts to avoid unnecessary dependencies.<\/li>\n<li>Use event storming to model business logic with domain experts.<\/li>\n<li>Keep domain logic independent of databases and infrastructure.<\/li>\n<\/ul>\n<h3>&#128680; Common mistakes:<\/h3>\n<ul>\n<li>Overengineering: DDD is not suitable for every small project.<\/li>\n<li>Lack of communication between developers and specialist departments.<\/li>\n<li>Poor interfaces between bounded contexts lead to unnecessary coupling.<\/li>\n<\/ul>\n<\/div><div class=\"fusion-text fusion-text-9\"><h2><span class=\"ez-toc-section\" id=\"Challenges_and_limitations_of_DDD\"><\/span>Challenges and limitations of DDD<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Despite its advantages, DDD is not always the best choice for every software solution.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"When_is_DDD_overkill\"><\/span>When is DDD overkill?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>For small, CRUD-centric applications without complex business logic, DDD can add unnecessary complexity.<\/li>\n<li>If a team does not have close collaboration with domain experts, the ubiquitous language can be difficult to implement.<\/li>\n<li>Modeling and ubiquitous language effort<\/li>\n<li>The introduction of DDD requires detailed modeling of the domain.<br>\nWithout clear communication, DDD models may not correctly reflect reality.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Challenges_when_introducing_in_teams\"><\/span>Challenges when introducing in teams<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Developers have to deal intensively with domain modeling and architecture principles.<\/li>\n<li>There may be resistance to the additional abstraction effort if teams are used to procedural approaches.<\/li>\n<li>Integration with existing systems (legacy software)<\/li>\n<li>Monolithic legacy systems often do not have a clear separation of business logic and infrastructure.<\/li>\n<li>The introduction of DDD into existing systems requires a step-by-step migration or a clear interface strategy (e.g. anti-corruption layer).<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Domain-Driven Design is a powerful architectural paradigm that facilitates the development of complex software through clear domain models. It helps to bridge the gap between developers and specialist departments and promotes a sustainable architecture.<\/p>\n<p>However, DDD is not suitable for every project &ndash; small applications in particular often do not benefit from the additional complexity. However, those who use DDD correctly create scalable, comprehensible and future-proof software architectures. &#128640;<\/p>\n<\/div><div class=\"fusion-video fusion-youtube\" style=\"--awb-max-width:1080px;--awb-max-height:608px;--awb-align-self:center;--awb-width:100%;\"><div class=\"video-shortcode\"><priv-fac-lite-youtube class=\"fusion-hidden lty-load\" data-privacy-type=\"youtube\" videoid=\"cdZ2LFK3KO4\" params=\"wmode=transparent&amp;autoplay=1&amp;enablejsapi=1\" title=\"Prototype Perspectives: IT-Architektur - Standards - Relevanz in der Softwareentwicklung\" data-button-label=\"Play Video\" width=\"1080\" height=\"608\" data-thumbnail-size=\"auto\" data-no-cookie=\"on\"><\/priv-fac-lite-youtube><div class=\"fusion-privacy-placeholder\" style=\"width:1080px; height:608px;\" data-privacy-type=\"youtube\"><div class=\"fusion-privacy-placeholder-content\"><div class=\"fusion-privacy-label\">For privacy reasons YouTube needs your permission to be loaded. For more details, please see our <a class=\"privacy-policy-link\" href=\"https:\/\/rock-the-prototype.com\/datenschutzerklaerung\/\" rel=\"privacy-policy\">Datenschutzerkl&auml;rung<\/a>.<\/div><button data-privacy-type=\"youtube\" class=\"fusion-button button-default fusion-button-default-size button fusion-privacy-consent\">I Accept<\/button><\/div><\/div><\/div><\/div>\n<div class=\"fusion-text fusion-text-10\"><h3>Rock the Prototype Podcast<\/h3>\n<p>The <strong>Rock the Prototype Podcast<\/strong> and the <strong>Rock the Prototype YouTube channel<\/strong> are the perfect place to go if you want to delve deeper into the world of web development, prototyping and technology.<\/p>\n<p class=\"p1\"><strong>&#127911; Listen on Spotify: &#128073; Spotify Podcast: <a href=\"https:\/\/bit.ly\/41pm8rL\">https:\/\/bit.ly\/41pm8rL<\/a><\/strong><\/p>\n<p class=\"p1\"><strong><span class=\"s1\">&#127822;<\/span> Enjoy on Apple Podcasts: <span class=\"s1\">&#128073;<\/span>&nbsp;<a href=\"https:\/\/bit.ly\/4aiQf8t\">https:\/\/bit.ly\/4aiQf8t<\/a><\/strong><\/p>\n<p>In the podcast, you can expect exciting discussions and valuable insights into current trends, tools and best practices &ndash; ideal for staying on the ball and gaining fresh perspectives for your own projects. On the YouTube channel, you&rsquo;ll find practical tutorials and step-by-step instructions that clearly explain technical concepts and help you get straight into implementation.<\/p>\n<p><strong>Rock the Prototype YouTube Channel<\/strong><\/p>\n<p>&#128640; Rock the Prototype is &#128073; Your format for exciting topics such as software development, prototyping, software architecture, cloud, DevOps &amp; much more.<\/p>\n<p>&#128250; &#128075;&nbsp;<strong><a href=\"https:\/\/www.youtube.com\/@Rock-the-Prototype\" target=\"_blank\" rel=\"noopener\">Rock the Prototype YouTube Channel<\/a>&nbsp;&#128072;&nbsp; &#128064;&nbsp;<\/strong><\/p>\n<p style=\"padding-left: 40px;\">&#9989; Software development &amp; prototyping<\/p>\n<p style=\"padding-left: 40px;\">&#9989; Learning to program<\/p>\n<p style=\"padding-left: 40px;\">&#9989; Understanding software architecture<\/p>\n<p style=\"padding-left: 40px;\">&#9989; Agile teamwork<\/p>\n<p style=\"padding-left: 40px;\">&#9989; Test prototypes together<\/p>\n<p><strong>THINK PROTOTYPING &ndash; PROTOTYPE DESIGN &ndash; PROGRAM &amp; GET STARTED &ndash; JOIN IN NOW!<\/strong><\/p>\n<h4>Why is it worth checking back regularly?<\/h4>\n<p>Both formats complement each other perfectly: in the podcast, you can learn new things in a relaxed way and get inspiring food for thought, while on YouTube you can see what you have learned directly in action and receive valuable tips for practical application.<\/p>\n<p>Whether you&rsquo;re just starting out in software development or are passionate about prototyping, UX design or IT security. We offer you new technology trends that are really relevant &ndash; and with the Rock the Prototype format, you&rsquo;ll always find relevant content to expand your knowledge and take your skills to the next level!<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\"><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1144px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><a class=\"fusion-modal-text-link\" data-toggle=\"modal\" data-target=\".fusion-modal.Rock the Prototype - Software development &amp; Prototyping Podcast iTunes\" href=\"#\"><iframe id=\"embedPlayer\" style=\"width: 100%; max-width: 660px; overflow: hidden; border-radius: 10px; transform: translateZ(0px); animation: 2s ease 0s 6 normal none running loading-indicator; background-color: #e4e4e4;\" src=\"https:\/\/embed.podcasts.apple.com\/us\/podcast\/rock-the-prototype-software-development-prototyping\/id1684835330?itsct=podcast_box_player&amp;itscg=30200&amp;ls=1&amp;theme=auto\" height=\"450px\" frameborder=\"0\" sandbox=\"allow-forms allow-popups allow-same-origin allow-scripts allow-top-navigation-by-user-activation\"><\/iframe><\/a><\/div><\/div><\/div><\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Domain-Driven Design (DDD) is a strategic approach to software development that focuses on placing the functional domain of a system at the center of the architecture. Instead of focusing primarily on technical aspects such as databases, frameworks or infrastructure, DDD relies on close interaction between developers and domain experts. <\/p>\n","protected":false},"author":1,"featured_media":5545,"template":"","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0},"categories":[1166],"tags":[4430,4440,4398,4396,4443,4424,4403,3272,4423,4394,4417,4442,4425,4421,4395,4406,4392,4436,4426,4428,4433,4418,4432,4408,4439,4420,4402,4391,4399,4393,4407,4405,4431,4404,4415,1467,4422,1943,4427,4419,4411,4441,4412,4438,4401,4410,4409,1147,4435,1148,4416,4429,4413,4437,4414,4434,4397,4400],"class_list":["post-5546","encyclopedia","type-encyclopedia","status-publish","has-post-thumbnail","hentry","category-software-architecture","tag-net-ddd-en","tag-aggregate-root","tag-aggregates-en","tag-anticorruption-layer-en","tag-api-coupling","tag-api-design-en","tag-application-services-en","tag-architectural-decisions","tag-architectural-principles","tag-bounded-context-en","tag-business-logic","tag-communication-between-contexts","tag-complexity-reduction","tag-context-boundaries","tag-context-mapping-en","tag-cqrs-en","tag-ddd-en","tag-ddd-and-microservices","tag-ddd-best-practices-en","tag-ddd-frameworks-en","tag-ddd-implementation","tag-ddd-patterns-en","tag-dependency-injection-en","tag-domain-events-en","tag-domain-logic","tag-domain-model-en","tag-domain-services-en","tag-domain-driven-design-en","tag-entities-en","tag-eric-evans-en","tag-event-sourcing-en","tag-event-storming-en","tag-event-driven-architecture-en","tag-factories-en","tag-hexagonal-architecture","tag-interfaces-en","tag-legacy-systems","tag-microservices-en","tag-modeling-techniques","tag-modularization","tag-open-host-service-en","tag-persistence-layer","tag-published-language-en","tag-refactoring-en","tag-repositories-en","tag-separated-ways-en","tag-shared-kernel-en","tag-software-architecture","tag-software-components","tag-software-development","tag-software-modeling","tag-spring-boot-ddd-en","tag-strategic-design-en","tag-system-design-en","tag-tactical-design","tag-technical-debt","tag-ubiquitous-language-en","tag-value-objects-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Domain Driven Design (DDD) - Software Architecture Best Practices<\/title>\n<meta name=\"description\" content=\"What is Domain-Driven Design (DDD)? \u2705 Influence on modern software architectures, frameworks and programming languages \u2705 Find out more now...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Domain Driven Design (DDD) - Software Architecture Best Practices\" \/>\n<meta property=\"og:description\" content=\"What is Domain-Driven Design (DDD)? \u2705 Influence on modern software architectures, frameworks and programming languages \u2705 Find out more now...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/\" \/>\n<meta property=\"og:site_name\" content=\"Rock the Prototype - Softwareentwicklung &amp; Prototyping\" \/>\n<meta property=\"article:modified_time\" content=\"2025-02-06T08:57:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/rock-the-prototype.com\/wp-content\/uploads\/2025\/02\/Domain-Driven-Design-DDD.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1456\" \/>\n\t<meta property=\"og:image:height\" content=\"816\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"19 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/rock-the-prototype.com\\\/en\\\/software-architecture\\\/domain-driven-design-ddd\\\/\",\"url\":\"https:\\\/\\\/rock-the-prototype.com\\\/en\\\/software-architecture\\\/domain-driven-design-ddd\\\/\",\"name\":\"Domain Driven Design (DDD) - Software Architecture Best Practices\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/rock-the-prototype.com\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/rock-the-prototype.com\\\/en\\\/software-architecture\\\/domain-driven-design-ddd\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/rock-the-prototype.com\\\/en\\\/software-architecture\\\/domain-driven-design-ddd\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/rock-the-prototype.com\\\/wp-content\\\/uploads\\\/2025\\\/02\\\/Domain-Driven-Design-DDD.jpg\",\"datePublished\":\"2025-02-06T05:13:13+00:00\",\"dateModified\":\"2025-02-06T08:57:54+00:00\",\"description\":\"What is Domain-Driven Design (DDD)? \u2705 Influence on modern software architectures, frameworks and programming languages \u2705 Find out more now...\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/rock-the-prototype.com\\\/en\\\/software-architecture\\\/domain-driven-design-ddd\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/rock-the-prototype.com\\\/en\\\/software-architecture\\\/domain-driven-design-ddd\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/rock-the-prototype.com\\\/en\\\/software-architecture\\\/domain-driven-design-ddd\\\/#primaryimage\",\"url\":\"https:\\\/\\\/rock-the-prototype.com\\\/wp-content\\\/uploads\\\/2025\\\/02\\\/Domain-Driven-Design-DDD.jpg\",\"contentUrl\":\"https:\\\/\\\/rock-the-prototype.com\\\/wp-content\\\/uploads\\\/2025\\\/02\\\/Domain-Driven-Design-DDD.jpg\",\"width\":1456,\"height\":816,\"caption\":\"Domain Driven Design (DDD)\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/rock-the-prototype.com\\\/en\\\/software-architecture\\\/domain-driven-design-ddd\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Startseite\",\"item\":\"https:\\\/\\\/rock-the-prototype.com\\\/en\\\/rock-the-prototype\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Prototyping Wiki\",\"item\":\"https:\\\/\\\/rock-the-prototype.com\\\/en\\\/wiki\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Domain Driven Design (DDD)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/rock-the-prototype.com\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/rock-the-prototype.com\\\/en\\\/\",\"name\":\"Rock the Prototype - Softwareentwicklung &amp; Prototyping\",\"description\":\"Prototyping: Software Prototypen, Software entwickeln &amp; Programmieren im Team\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/rock-the-prototype.com\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Domain Driven Design (DDD) - Software Architecture Best Practices","description":"What is Domain-Driven Design (DDD)? \u2705 Influence on modern software architectures, frameworks and programming languages \u2705 Find out more now...","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/","og_locale":"en_US","og_type":"article","og_title":"Domain Driven Design (DDD) - Software Architecture Best Practices","og_description":"What is Domain-Driven Design (DDD)? \u2705 Influence on modern software architectures, frameworks and programming languages \u2705 Find out more now...","og_url":"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/","og_site_name":"Rock the Prototype - Softwareentwicklung &amp; Prototyping","article_modified_time":"2025-02-06T08:57:54+00:00","og_image":[{"width":1456,"height":816,"url":"https:\/\/rock-the-prototype.com\/wp-content\/uploads\/2025\/02\/Domain-Driven-Design-DDD.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"19 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/","url":"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/","name":"Domain Driven Design (DDD) - Software Architecture Best Practices","isPartOf":{"@id":"https:\/\/rock-the-prototype.com\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#primaryimage"},"image":{"@id":"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#primaryimage"},"thumbnailUrl":"https:\/\/rock-the-prototype.com\/wp-content\/uploads\/2025\/02\/Domain-Driven-Design-DDD.jpg","datePublished":"2025-02-06T05:13:13+00:00","dateModified":"2025-02-06T08:57:54+00:00","description":"What is Domain-Driven Design (DDD)? \u2705 Influence on modern software architectures, frameworks and programming languages \u2705 Find out more now...","breadcrumb":{"@id":"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#primaryimage","url":"https:\/\/rock-the-prototype.com\/wp-content\/uploads\/2025\/02\/Domain-Driven-Design-DDD.jpg","contentUrl":"https:\/\/rock-the-prototype.com\/wp-content\/uploads\/2025\/02\/Domain-Driven-Design-DDD.jpg","width":1456,"height":816,"caption":"Domain Driven Design (DDD)"},{"@type":"BreadcrumbList","@id":"https:\/\/rock-the-prototype.com\/en\/software-architecture\/domain-driven-design-ddd\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Startseite","item":"https:\/\/rock-the-prototype.com\/en\/rock-the-prototype\/"},{"@type":"ListItem","position":2,"name":"Prototyping Wiki","item":"https:\/\/rock-the-prototype.com\/en\/wiki\/"},{"@type":"ListItem","position":3,"name":"Domain Driven Design (DDD)"}]},{"@type":"WebSite","@id":"https:\/\/rock-the-prototype.com\/en\/#website","url":"https:\/\/rock-the-prototype.com\/en\/","name":"Rock the Prototype - Softwareentwicklung &amp; Prototyping","description":"Prototyping: Software Prototypen, Software entwickeln &amp; Programmieren im Team","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/rock-the-prototype.com\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/rock-the-prototype.com\/en\/wp-json\/wp\/v2\/encyclopedia\/5546","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rock-the-prototype.com\/en\/wp-json\/wp\/v2\/encyclopedia"}],"about":[{"href":"https:\/\/rock-the-prototype.com\/en\/wp-json\/wp\/v2\/types\/encyclopedia"}],"author":[{"embeddable":true,"href":"https:\/\/rock-the-prototype.com\/en\/wp-json\/wp\/v2\/users\/1"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rock-the-prototype.com\/en\/wp-json\/wp\/v2\/media\/5545"}],"wp:attachment":[{"href":"https:\/\/rock-the-prototype.com\/en\/wp-json\/wp\/v2\/media?parent=5546"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rock-the-prototype.com\/en\/wp-json\/wp\/v2\/categories?post=5546"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rock-the-prototype.com\/en\/wp-json\/wp\/v2\/tags?post=5546"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}