决定不公开服务有许多原因。
安全地公开服务(加密、身份管理、身份验证等)。
Exposing the service securely (encryption, identity management, authorization, and so on).
那么，为什么真正的企业服务需要在公开方式方面进行特殊处理？
So why do true enterprise services need special treatment in the way they are exposed?
在有关服务公开一节，我们将会看到事情并非如此简单。
We will see in the section on service exposition that it is not that simple.
大部分(尽管不是所有)都可以实施到服务公开中。
Much, although not all of this, can be done on exposure of the service.
这对于直接在业务和服务层公开的抽象非常重要。
This is particularly important for abstractions directly exposed at the business and service layer.
服务公开层中的中介只能包含非语义逻辑。
Mediation in the service exposure layer can contain only non-semantic logic.
然后，可以通过服务公开整合的信息。
This consolidated information can then be exposed through a service.
在前一篇文章中，“中介”这个术语总是指执行服务公开。
In the earlier article, the term "mediation" was intended to always refer to service exposure.
此外，小工具通常会公开来自完全不同的站点的服务。
Further, gadgets typically expose a service from a completely different site.
不过，您会发现公开这些服务并不困难。
However, you'll see that exposing these services is not too difficult.
根据公开数据的服务接口评估数据质量。
Data quality is being assessed against the service interfaces through which it is exposed.
提供专门的服务，以将主数据管理和公开为一项服务。
Provide specialized services to manage and expose master data as a service.
在SOA中使用中介进行服务公开。
例如，可以将一个类公开为Web服务。
通过Internet公开许多细粒度服务将会增加攻击范围。
Exposing many fine grained services over the Internet will increase attack surface.
下面是有关服务公开需要考虑的主要方面
The following are the primary aspects of service exposition that you need to consider
与前面一样，用于服务公开的中介只存在于服务总线中。
As above, mediation for service exposure exists only in the service bus.
从选择方式的定义来说，已公开的服务是非常重要的业务事务。
The services exposed, by definition of the way they were chosen, are important business transactions.
许多的这类新型服务需要披露并且公开讨论。
您还需要访问您自己的公开可用的web服务器。
You also need access to your own publicly available web server.
为服务公开以进行呼叫的用户端的组合。
首先用于公开最短路径的服务质量扩展QOSPF ？
Quality - of - service extension for Open Shortest Path First?
服务收费应当合理、公开，质价相符。
The service charge shall be reasonable, in line with the service and given publicity.
服从中国网球公开赛的指挥和调配，认真完成志愿服务工作任务；
Be subject to consciously maintain the impression of the volunteers and the China Open.
服从中国网球公开赛的指挥和调配，认真完成志愿服务工作任务；
Be subject to consciously maintain the impression of the volunteers and the China Open.
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