在此上下文中，服务组件体系结构(Service Component Architecture,SCA)是面向服务的组件模型。
In this context service component Architecture (SCA) is the service-oriented component model.
设计服务允许将模型分级进行设计，包括使用服务组件为流程确定属性的能力。
Design services enable models to be staged into design, and include the ability to attribute the process with service components.
此阶段涉及到服务、组件、底层物理数据模型和数据库对象的开发。
This phase involves the development of services, components, the underlying physical data model, and database objects.
要了解如何从此新功能中获益，您需要探索基础服务组件体系结构 (SCA)编程模型提供的调用样式。
To understand how to benefit from this new functionality, you need to explore the invocation styles provided by the underlying Service Component Architecture (SCA) programming model.
最后，SCA定义了一个标准的部署模型，用于将组件打包到服务模块。
Finally, SCA defines a standard deployment model for packaging components into a service module.
组件模型简化了构建和组装服务的过程。
A component model simplifies the process of building and assembling services.
在客户端和服务器之间传递的参数和结果类型可以包括在组件的存储模型中声明的类型。
The parameter and result types that pass between client and server can include types declared in the component's storage model.
架构上，组件通过一个抽象的服务模型(一个消息传递模型，位于任何特殊协议或消息编码之上的抽象层中)进行交互。
Architecturally, components interact via an abstract service model-a messaging model that resides at a level of abstraction above any particular protocol or message-encoding format.
SCA背后的核心思想是为业务服务的定义建立公共组件模型。
The core idea behind SCA is to establish a common component model for the definition of business services.
粗粒度组件与SOA中的服务具有更为直接的对应关系，与业务模型中可识别的内容的对应性更好。
Coarse-grained components match more directly to the services in an SOA and map more readily to things that would be recognizable from a business model.
另一方面，资产治理可能包括除服务资产以外的更多资产(如用户界面组件和流程模型)相关的活动。
Asset governance, on the other hand, may include activities that are relevant to a broader set of assets beyond service assets, such as user interface components and process models.
此步骤中对将用于实现服务模型中的服务的企业组件进行标识。
This is the step in which enterprise components are identified that will be used to implement the services in the service model.
在这个模型中，活动(组件)代表对Web服务的一个操作。
In this model, an activity (component) represents an operation on a web service.
如果您还记得第1部分，我们曾讨论过构成WebSphereESB基础的编程模型，即服务组件体系结构(SCA)。
If you recall from Part 1, we talked about the programming model that forms the basis for WebSphere ESB, namely the Service Component Architecture (SCA).
REST 样式的体系结构同时采用 SOA和Web，支持以组件为中心的模型，其中各种服务器端和客户端组件通过可扩展而简单的方式进行重用。
REST-style architecture embraces both SOA and the Web, enabling a component-centric model in which various server-side and client components can be reused in a scalable yet simplistic way.
与服务模型一样，服务规范产生实现这些服务的系统组件的逻辑描述。
Along with the service model, service Specification produces logical descriptions of the system components that realize services.
要应对此类挑战，将需要对服务(甚至是对那些服务的基础——它们的组件和对象模型)的设计进行日常维护。
Meeting such challenges will require routine attention to the design of services, perhaps even to the underpinnings of those services? Their components and object models.
SCA描述了一个完整的服务编程模型，涉及到大量可采用相同的方式描述和访问的组件(即服务)。
SCA describes a complete service programming model, across a number of components that can all be described and accessed in the same way, namely as services.
服务分析模型表示服务和组件规范的数据结构。
The service analysis model represents the data structures for service and component specification.
如果服务基础设施的交互模型敏捷而可扩展，那么您可以将这些组件重用于多种不同的应用程序。
You can reuse these components to fit many different applications if the interaction model of the service infrastructure is agile and extensible.
SCA的一个强大之处在于它的整合各种各样的细粒度组件模型的能力，而这些模型过去一般被用来实现粗粒度的服务组件。
One of the strengths of SCA is its ability to combine with a wide variety of fine-grained component models that are used to implement coarse-grained service components.
通过松散耦合的编程模型对服务组件进行编排，可以创建存在于不同应用程序、平台甚至组织中的业务服务。
Orchestrating service components via a loosely coupled programming model enables the creation of business services that exist in different applications, platforms, and even organizations.
令人兴奋的是，一种新的编程模型规范——服务组件体系结构 (SCA)已经制定出来了，该规范得到了IBM和许多其他供应商的支持。
This includes the arrival of a new and exciting programming model specification that is backed by IBM and a number of other vendors: the Service Component Architecture (SCA).
构建和主动管理服务模型：各种应用程序组件将是在其他应用程序中重用的直接候选组件。
Build and proactively manage a service model: Various application components would be immediate candidates for reuse in other applications.
组件的存储模型包含在组件的公共插件中，该插件同时安装在客户端和服务器上。
A component's storage model is contained in the component's common plug-in, which gets installed on both clients and servers.
而这些用例是用于通过组件接口上的具体操作扩展设计级服务（组件）模型的。
These use cases in turn are used to extend a design-level services (component) model with specific operations on component interfaces.
您可以使用组件模型来提供遗留服务的抽象和对现有遗留资产进行再组合，特别是在组件模型支持语言中立性时尤为有用。
You can use component models to provide abstraction of legacy services and to re-engineer existing legacy assets, especially when the component model supports language neutrality.
指令在服务器上执行，客户端仅仅接收ui组件和数据模型的更新。
Instructions are executed at the server; the client only receives the updates in the UI components and data model.
组件是支持公开的服务(在服务模型中)的实现机制。
The components are implementation mechanisms that support the exposed services (in the service model).
提供服务(服务接口)和使用其他服务(引用)的诸如组件的概念存在于这两种组件模型中。
Concepts such as components, which offer services (service interfaces) and use other services (references), exist in both component models.
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