We have a WebSeal server sitting in front of our back-end application servers.
我们在后端应用服务器前面安置了一台WebSeal服务器。
The thread is responsible for all data exchange between client browser and back-end application server.
该线程负责客户端浏览器与后端应用程序服务器之间的所有数据交换。
In Step 7, a back-end application changes the value of total for the Calculator resource instance, created in Step 3.
步骤7中，后端应用程序为在步骤3创建的Calculator资源实例修改total值。
If there is a back-end application that offers an XML-based interface, such as Web services, the DataPower XI 150 can be used.
如果有一个提供基于xml界面的后端应用程序(比如web服务)，那么可以使用DataPowerXI 150。
Note: A client can always overwrite the JMSReplyTo property, but for it to take effect the back-end application should be a Type1 application.
注意：客户端往往可以改写JMSReplyTo属性 ，但仅当后端应用程序是类型1 应用程序时才能生效。
The result is an object that can both represent the data to the user and communicate with the back-end application to update the data contents.
结果对象既可以表示用户数据，又可以与后端应用程序通信以更新数据内容。
Basically, the specification describes how a so-called resource adapter is deployed between the application server and the back-end application.
规范基本上是描述如何在应用程序服务器和后端应用程序间部署所谓的资源适配器。
For example, when a mobile device client requests access to a back-end application, it sends authentication information to the issuing authority.
例如，当移动设备客户机请求访问后端应用程序时，它向发行认证机构发送认证信息。
Thus, routing information (along with application traffic) is exchanged between the back-end application server cell and the secure proxy server cell.
因此，路由信息(以及应用程序通信量)在后端应用服务器cell和安全代理服务器cell之间交换。
For this to work, the back-end application should be a Type1 application, and the JMS service should not be invoked within an existing transaction.
要想正常工作，后台应用程序应为类型1应用程序，且不能在现有的事务中调用JMS服务。
Our scenario included a one-way message being sent to a back-end application via JMS, indicating that a package had been delivered to the customer.
我们的场景包括通过JMS发送到后端应用程序的单向消息，指示包已提交给客户。
This can be done in a variety of ways by sending requests for data to the back-end application and then displaying the results in a front-end user interface.
可以有很多种方法做到这一点：通过发送数据请求到后台，然后把结果展现在前台用户界面上。
Since WebSEAL junctions create a logical mapping between the Web space of a back-end application server, junctions can be used to create a transparent mapping for the user or Web application.
由于WebSEAL联结创建了后端应用服务器的Web空间间的逻辑映射，因而联结可被用来为用户或Web应用程序创建一个透明映射。
Backend application adapters — These adapters represent the code that talks the language of a particular back-end application. They present a uniform interface for it to the rest of the framework.
后端应用程序适配器—这些适配器表示那些使用特定后端应用程序语言的代码，将统一界面引入架构的其他部分。
A backup contains roles, community members, application data, and, usually, the back end data of the business components.
一个备份包含角色、社区成员、应用程序数据、通常还有业务组件的后端数据。
This conserves memory by permitting fewer DB2 "back end" connections to service the application connections.
该功能只允许较少的DB 2“后端”连接为应用程序连接服务，从而节省了内存。
The benefit of this approach is that the back end of the application (a database, EJBs and so on) is accessed less frequently.
该方法的好处在于不用频繁地访问后端应用(数据库、EJB等)。
Figure 7 shows a common pattern used in business integration that involves the need to synchronize semantically similar data among various back-end business application systems.
图7显示了业务集成中所使用的一种常见模式，这个模式需要在各种后端业务应用程序系统之间对语义上类似的数据进行同步。
In this article, you saw how to deal with long running back-end calls in a J2EE application.
在本文中，您了解了如何在J2EE应用程序中处理耗时的后端调用。
Each back-end system or business application requires a specific adapter.
每个后端系统或者业务应用程序都需要一个特定的适配器。
Before I get into that, let's take a quick look at the back-end server that the application you will create in this article will be calling.
在详细讨论这个问题之前，让我们先快速地了解一下本文所开发的应用所使用的后台服务器。
In this article, you'll install and configure your database — the back end of your Web application — create a database schema, and learn about some simple tools for populating it with data.
在本文中，您将安装并配置数据库——Web应用程序的后端，来创建数据库模式，并了解一些用于向其中填充数据的简单工具。
First, connection management for connecting application components to back-end systems is fulfilled by the JDBC DataSource and ConnectionPoolDataSource interfaces.
第一个是将应用程序组件与后端系统相连接的连接管理，它是由DataSource和ConnectionPoolDataSource接口来实现的。
The connection between the WebSEAL server and a back-end Web application server is referred to as a WebSEAL junction.
WebSEAL服务器和后端Web应用服务器之间的连接被称为是一个 WebSEAL 联结。
The remainder of back-end processing for the web application is handled with PHP.
web应用程序后端处理其余部分使用PHP。
However, fetching this data is an expensive task, and takes a huge amount of time compared to other back-end calls in your application context.
然而，与应用程序上下文中的其他后端调用相比，提取这些数据是一项高开销的任务，需要大量的时间。
In this pattern, external business partners interact with multiple back-end business processes through a single front-end application.
在这个模式中，外部业务伙伴通过单个前端应用程序与多个后端业务流程进行交互。
It also ensures that your application back end runs with your usual privileges, so you don't have to make crucial files world-writeable, which is a big plus.
这还确保应用程序后端以您通常的特权运行，这样就不会导致关键的文件对外公开，这是一个重要的安全措施。
So far, this article has described how to build the back end of your application.
到目前为止，本文已经介绍了如何构建应用程序的后端。
Eventually the load on the application outgrows the Settings that come bundled with the back-end servers and application performance suffers.
最终，应用程序的负载会超出后端服务器自带设置的处理能力，应用程序的性能会降低。
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