This article is written for administrators of Document Manager middle-tier servers.
本文是为DocumentManager中间层服务器的管理员编写的。
Proxy authentication and authorization: the middle-tier server performs authentication.
代理身份验证和授权：中间层服务器执行身份验证。
The app server manages the middle-tier components that perform most of the heavy lifting.
应用程序服务器管理中间层组件，这些组件负责执行大部分重头任务。
Use of these features is strongly recommended for all Document Manager middle-tier servers.
强烈建议对所有DocumentManager中间层服务器使用这些特性。
Therefore, it is recommended that Windows 2003 be used for all Document Manager middle-tier servers.
因此，建议对于所有DocumentManager中间层服务器使用Windows 2003。
Runtime patterns represent the major middle-tier nodes, their roles, and the interfaces between them.
运行时模式代表了主要的中间层节点、它们的角色以及它们之间的接口。
Runtime patterns are used to define the logical middle-tier structure used to support application patterns.
运行时模式被用来定义逻辑中间层结构，这些逻辑中间层结构被用来支持应用程序模式。
Many middle-tier servers do not have the user's authentication credentials needed to establish a connection.
很多中间层服务器并没有建立一个连接所需的用户的身份验证凭证。
DB2 has introduced trusted context authentication to permit the middle-tier to do this type of authentication.
DB 2引入了受信任上下文(trusted context)认证，以允许中间层进行这种类型的认证。
This improves the response times, and also the scalability of both the middle-tier server and the Library server.
这会改进响应时间，还会提高中间层服务器和LibraryServer的可伸缩性。
With a fatter stack of applications to choose from, middle-tier schools could shock prospective students with rejection letters they didn't expect.
由于拥有更多选择，中等学校可能会用他们从未想过的拒信来让那些申请者们吃惊。
Using the analogy of heart bypass surgery might be appropriate because the BPM approach extends core applications with a process and service middle-tier.
使用心脏旁路手术对此进行类比可能比较合适，因为BPM方法使用了由流程和服务组成的中间层来扩展核心应用程序。
This support in JDBC 4.0 means that XML can natively flow across the middle tier and the database without unnecessary mapping or performance overhead in both the database and the middle tier.
JDBC 4.0中的这个支持意味着：无需不必要的映射，XML就可以原生地在中间层和数据库之间流动，这也不会在数据库和中间层导致性能开销。
This design pattern introduces an application server in the middle tier which brokers connections between clients and the data tier.
这种设计模式在中间层中引入了一个应用程序服务器，中间层代理客户端和数据层之间的代理。
Their concerns ranged from when to embed rules in their middle tier versus encapsulate them within services to identifying ideal use cases and reference implementations.
他们既关注何时将规则嵌入中间层、何时将它们封装到服务中，也关注典型用例和参考实现。
A three-tier enterprise architecture consists of a client tier, middle tier, and a data tier.
一个三层的企业架构由客户机层、中间层以及数据层组成。
The database is often accessed by components or objects that execute on the server and are called by other layers of code, often referred to as the middle tier.
数据库经常由组件和对象访问，而组件和对象又由另一层代码调用，这一层通常就是所谓的中间层。
These lightweight sessions reduce the network overhead of creating separate network connections from the middle tier to the database.
这些轻量级会话减少了创建中间层与数据库的连接所带来的开销。
All of the considerations and possibilities discussed in the previous architectures apply between the middle tier service and the downstream service, although they are not shown in Figure 9.
在前面的体系结构中所讨论的所有注意事项和可能性也适用于中间层服务和下游服务之间，尽管在图9中并未显示这一特性。
The database should be able to distinguish the transactions performed by the middle tier for its own purpose, from those performed by the middle tier on behalf of some users.
对于中间层自身执行的事务与中间层代表某些用户执行的事务，数据库应该能够加以区分。
The middle tier configuration is shown below along with a simple implemention of the POJO message handler.
使用一个简单的POJO消息处理器实现时，中间层的配置如下
A better approach is needed for ensuring that each user's database identity and database privileges are used for any database requests performed by a middle tier on behalf of that user.
为了确保对于中间层代表每个用户执行的任何数据库请求，都使用那个用户特定的数据库身份和数据库权限，需要一种更好的方法。
By using XML natively in the middle tier, those same advantages are achieved in the middle tier and more importantly across both the middle tier and the database.
通过在中间层原生地使用XML，可在中间层(更重要的是跨中间层和数据库)实现这些好处。
When the middle tier establishes a connection with DB2, the middle-ware’s user ID and password are used for authentication purpose.
当中间层建立一个与DB2 的连接时，可使用中间层的用户ID和密码进行认证。
Such adaptive navigation can also be part of the processing module or middle tier of the software application.
这类自适应导航也可以是软件应用程序处理模块或中间层的一部分。
We will create a custom message converter to send a trade creation request message from the client to the middle tier.
我们将创建一个自定义消息转换器，来发送一个从客户端到中间层的关于交易创建的请求消息。
The adaptation rules for presentation and navigation will be implemented in the processing module of the application using a suitable programming language or a middle tier framework.
表示和导航所对应的自适应规则通过一种合适的编程语言或中间层框架在应用程序的处理模块内实现。
REST does not necessarily mean there is no state on the middle tier; the state to fulfill the request for a resource is not dependent on that state.
REST并不一定就意味着在中间层没有任何状态；为实现对某资源的请求的这个状态并不依赖于该状态。
This component may also carry out operations driven by the configuration logic, provisioning logic, workflow executor, or other custom logic in the middle tier of the NMS.
这个组件还可以执行由NMS中间层中的配置逻辑、供应逻辑、工作流执行器或其它定制逻辑所驱动的操作。
This component may also carry out operations driven by the configuration logic, provisioning logic, workflow executor, or other custom logic in the middle tier of the NMS.
这个组件还可以执行由NMS中间层中的配置逻辑、供应逻辑、工作流执行器或其它定制逻辑所驱动的操作。
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