Assume, for example, that an ESB communicates with more than one back-end service provider (which, of course, is virtually always the case), and that different providers have different timeouts.
例如，假设一个ESB与多个后端服务提供程序通信(当然，事实总是这样)，不同的提供程序有不同的超时。
In the case where this does not exist, then the result might be a loader being invoked, which will load the value from a back-end datastore (4).
如果它不存在，那么结果可能会是一个正被调用的加载程序，它会从一个后端数据存储(4)加载值。
This article assumes that the back-end database, in this case DB2, is already installed and in-use.
本文假设后端数据库（在这里是 DB2）已经安装好了。
The standard for compiler design is to break it in two modules: the front end that reads and decodes the input file, and the back end that produces the code or, in this case, the table class.
编译器的设计标准是将其分成两个模块：前端和后端，前端读取输入文件并对该文件进行解码，后端生成代码，或者在这种情况下生成table 类。
In the application key field, enter the same value that you specified for application ID in the workflow application in the ERP back-end network (in this case, ZMATCR).
在Applicationkey字段中，输入您刚才在erp后端网络的工作流应用程序中为应用程序id指定的值(在本例中为ZMATCR)。
The back end code starts at the database, which in this case is MySQL.
后端代码起始于数据库，本例中数据库为MySQL。
A typical use case includes a De-Militarized Zone (DMZ) to separate external as well as internal clients from the back-end systems.
一个典型的用例是使用De -Militarized Zone (DMZ)将外部和内部客户端与后台系统分离开来。
That’s why some high-end resorts now offer to lock away guests’ computers, CrackBerry’s, cellphones and PDAs so it’s almost impossible to slip back into staying in 24-hour contact “just in case.”
这就是某些高端度假地提供锁住顾客电脑，黑莓，手机，PDA等服务的原因。溜回房间24小时呆在那里“以防万一”这总不太可能吧。
That's why, in this case, Web services represent the facade, with back-end beans not requiring authorization.
所以，在这个例子中，Web服务代表外观，后端bean不要求授权。
As a case in point, consider a mediation that contains the endpoint of the back-end service, such as a Web service, to invoke.
接下来我们以包含要调用后端服务(如web服务)端点的中介为例。
As a case in point, consider a mediation that contains the endpoint of the back-end service, such as a Web service, to invoke.
接下来我们以包含要调用后端服务(如web服务)端点的中介为例。
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