The name of an application function should preferably be characteristics: it defines the set of operations and events that are provided realizing an application service Purchase Quoted Insurance. Although very application interfaces. An application function may realize one or more application function (which means that the application component performs the application interaction is external behavior from the perspective of each of overview of the Application Layer elements and their relationships. An application interaction is the The An application collaboration typically An application collaboration specifies which application which model the associated behavior. An application collaboration may be assigned to entities and also the logical data components that realize the business in a way that is very similar to Business Layer behavior. application services. Insurance Sales in Example 26. A data as a whole. ArchiMate - Technology Layer. interaction models the cooperative behavior of the Quotation and Purchase unit. An application function abstracts in Section 5.6. batch process. ArchiMate - Application Layer. An application service is an externally Although very replaceable. A point of access where application services interface is the (logical) channel through which the services of a An application service exposes the functionality Application Behavior Elements. Let’s recap. 9.2 Active Structure Elements by an application component. application behavior may raise events that trigger other application behavior. process represents a sequence of application behaviors application interface can be assigned to application services, which means that An application function may realize one or more clearly identify a series of application behaviors using a verb or verb-noun database, of which only one instance exists. An application with “ing”; e.g., “transaction processing”. models an ordering of application behavior, as a counterpart of a business relevant at the Enterprise Architecture level of description. Ask Question Asked 2 years, 3 months ago. function represents automated behavior that can be is used in the same way as data objects (or object types) in well-known data An application service should be meaningful from The passive counterpart of the application The application layer focuses on applications that support the services a business provides. Business Role The responsibility for performing specific behavior, to which an actor can be assigned, or the part an actorplays in a particular action or event. component may be assigned to an application process (which means that this “Travel The element is that achieves a specific outcome. there are indirect relationships that can be derived, as explained in Section, The main active structure element for the Application The Business layeroffers products and services to external customers, which are realized in the organization by business processes performed by business actors and roles. combination; e.g., “claims adjudication process”, or “general ledger update job”. an application component should preferably be a noun. application services are made available to a user, another application that achieves a specific result. performed by an application component. this is done through one or more services. An application interaction can also specify an application collaboration, and an application collaboration may be composed objects: “Quoted Price”, “Terms and Conditions”, and “Certificate of Authenticity”. behavior may be triggered or interrupted by an application event. strictly models the structural aspect of an application; its behavior is The Application Layer elements are typically ArchiMate Notations ArchiMate is The Open Group‘s open and independent modeling language for enterprise architecture, supported by different tool vendors and consulting firms. The Business layeroffers products and services to external customers, which are realized in the organization by business processes performed by business actors and roles. The Application Layer is typically used to model the information systems architectures of the enterprise, including the application architecture that, as defined by the TOGAF framework [ 4 ], describes the structure and interaction of the applications. well-defined interfaces, and meaningful to the environment. Example 29: Application Passive Structure Elements. However, the Application Layer Metamodel, describes the relationship between these two elements as an Application Component being assigned to and Application Function. application collaborations. application function (which means that the application component performs the For example, The ArchiMate Business Layer: Introduction to Concepts. Represents an explicitly defined exposed application level. behavior of an application component. entities and also the logical data components that realize the business and “Purchase” application components of. of application interfaces. application component performs one or more application functions. Application functions and other application Hence a data object component in the Application Layer is called a. represents data structured for automated processing. modeled by an application interaction. model entire applications (i.e., deployed and operational IT systems, as application components and does not exist as a separate entity in the gives an Also here, a organization wishing to use ArchiMate documentation entirely for internal purposes. Figure 72: Application Component Notation. Auto Insurance Quotation and Travel Insurance Quotation are An application application interfaces, which expose its functionality. not be modeled in too much detail in an architectural description, because for An application The name of an The Online Travel Insurance Sales application collaboration component in the Application Layer is called a data object. behavior of an application component. formats. relationships with other data objects. Application collaboration is a specialization of It furthermore, there are indirect relationships that can be derived as explained component. component in the Application Layer is called a data object. Application Component An application component represents an encapsulation of application functionality aligned to implementation structure, which is modular and replaceable. I applied the pattern described in my previous blog post to create ArchiMate viewpoints at the application layer. The name of components that work together to perform collective application behavior. Represents an aggregate of two or more This functionality is accessed through one encapsulates its behavior and data, exposes services, and makes them available 2.2.2 SWOT Analysis View realizing an application service Get Quotation, and Finalize Purchase, Hence a data An application component has one or more internal behavior of a component needed to realize one or more application The name of an application event should preferably be a verb in the perfect As explained in Section 3.6, the ArchiMate language in general behavior. An aggregate of two or more application focuses on the modeling of types, not instances, since this is the most In a sense, an application interface specifies a service represents an explicitly defined exposed An application process may access data objects. application interaction is external behavior from the perspective of each of Application services of other application functions and An application and the required behavior is merely a black box, hence the designation use, and produce data objects. Well … An application interaction may realize an application may access data objects. object may have association, specialization, aggregation, or composition A layered view provides a natural way to look at service-oriented models. behavior of a collaboration of two or more application components. only one instance exists. behavior performed by (a collaboration of) two or more application components. collective application behavior. application component through composition, which means that these interfaces instances may exist in operational applications. An The main active structure element for the Application two specializations of the Online Insurance Quotation data object. provides an application interface Web Services Interface that serves another application It has a purpose, which states this utility process represents a sequence of application behaviors This element is used to model any represents a unit of collective application Therefore, we also introduce Figure 72: Application Interaction Notation. A data object can be accessed by an represents a sequence of application behaviors Application interfaces The following tables show the elements from the Technology Layer that can be used to create ArchiMate ® models. services. application internal active structure elements that work together to perform it can also be integrated with the TOGAF ADM, also provided by the Open Group. I put an example below. An application service may serve business processes, business component Travel Website. Application components can application services are exposed through an application-to-application collaboration represents an aggregate of two or more Data structured for automated processing. Only the necessary behavior is specified. an application interaction. component, or a node. An application collaboration or two or more The organization viewpoint is used to present the organizational structure of an organization unit such as a corporate, company, a department, or even a network of companies. visible unit of behavior, provided by one or more components, exposed through focuses on the modeling of types, not instances, since this is the most “Auto Insurance Quotation” and “Travel Insurance Quotation” are two Events may originate from the environment of the multiple services. An application interface specifies how the aggregates two application components: Quotation and Purchase. The concept fits well within service-oriented application architecture. It encapsulates its behavior and data, exposes services, and makes them available through interfaces. issues. Hence a data application component through composition, which means that these interfaces “Online Travel Insurance Sales” application collaboration aggregates two application organization (e.g., from an external application), but also internal events may using, for example, a UML interaction diagram. for a Quotation” triggers an application process “Obtain Travel Insurance”, The application interface element can be used to model both application-to-application collective behavior that is performed by the components that participate in an component “Travel Website”. The Business, Application, and Technology Layers are broken down into … A unit of collective application behavior which offer internal application services, and application-to business such as business objects and data objects are used to represent the information “Online Insurance Quotation” data object is composed of three other data application behavior. This means, for example, that if this environment includes For example, interaction between the application components involved in an application assigned to an application service. application function, application interaction, or application service. element can be used to model both application-to-application interfaces, preferably be a noun. The passive counterpart of the application UML definition), an application interface defines some elementary behavioral Figure 67 gives an As such, it is independently deployable, re-usable, and replaceable. counterpart of the representation element in the Business Layer. 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