There should only be one messaging engine listed for TestBus.
应该只为TestBus列出了一个消息传递引擎。
In our simple setup, we have one bus with one bus member with one messaging engine.
在我们的简单设置中，我们有一个总线，带有一个成员和一个消息传递引擎。
It is not uncommon to employ more than one messaging strategy within a single enterprise.
在一个企业中同时使用不止一个的消息传递策略并不少见。
In the case of a single Gold topology in the cell, this is acceptable because there is only one messaging engine to choose from.
对于单元中单个黄金拓扑的情况，这是可以接受的，因为只有一个消息传递引擎供选择。
Publication points are used not only for applications to add and remove messages on topics, but also to propagate messages from one messaging engine to the others in the bus.
发布点不仅供应用程序用于添加和删除与主题有关的消息，还可用于将来自一个消息传递引擎的消息传播到总线中的其他消息传递引擎上。
The challenge is that there is not one consistent approach or API to deal with these different mechanisms, and in most real SOA environments, you will come across more than one messaging protocol.
问题是没有一个一致的方法或API来处理这些不同的机制，而且在大多数实际的SOA环境中，您会遇到多个消息传递协议。
A bus may be configured in a variety of ways to span multiple servers (that is, it can have multiple bus members), but there is always at least one messaging engine for each server in a specific bus.
可以以多种方式将总线配置为跨多个服务器(即，它可以具有多个总线成员)，但是在特定的总线中每个服务器始终至少有一个消息传递引擎。
Messaging allows real-time communication by keyboard with up to five people at any one time.
信息的发送能使最多五个人同时通过键盘进行实时交流。
Messaging: transforming the message's payload from one type to another – is crucial to any kind of complex solution.
消息传递：对任何复杂的解决方案来说，将消息的有效负载从一种类型转换为另一种类型都至关重要。
The language chosen for these names should be the one most helpful to those who maintain and extend the messaging system.
为这些名称选择的语言应该是对那些维护和扩充消息传递系统的人员有最大帮助的一种语言。
The messaging bridge pattern maps data from one transport mechanism to another without modifying the format or content of the message payload.
消息传递桥接模式将数据从一个传输机制映射到另一个传输机制，无需修改消息有效负载的格式或内容。
One disadvantage is that any problems you encounter while using frameworks for messaging are likely to occur with complex types.
但也有一个坏处，使用即时通讯框架时遇到的任何问题可能会伴随复杂的类型发生。
Although asynchronous messaging is, in principle, a one-way communication, you can make it invoke some functionality in the receiving application.
尽管从理论上讲异步消息传递是单向通信，但是可以让它调用接收应用程序中的一些功能。
In the section that follows, we'll see a few common messaging scenarios and the potential JMS solutions for each one.
在下一节，我们将看一些常见的消息传递场景和每个场景潜在的JMS解决方案。
Since we have decided to create a single database for all the messaging engines, and multiple schemas within it, one data source is sufficient.
由于我们决定为所有消息传递引擎创建单一数据库，并在此数据库中创建多个模式，所以一个数据源就足够了。
Applications connect to one of the messaging engines implemented using depicted in the article patterns, and then access the group's properties.
应用程序连接到使用文中介绍的模式所实现的消息引擎之一，然后访问组属性。
We defined support for JMS messaging as one of the core requirements toward our ESB solution in Part 3.
我们定义了对JMS消息传递的支持，并将其作为第3部分中的ESB解决方案的核心需求之一。
Enterprise messaging frameworks are designed to enable one or more applications to communicate despite a variety of obstacles.
企业消息传递框架被设计用于使得一个或多个应用能够克服各种障碍进行通信。
The first tool is instant messaging, which is one of the most used tools these days by both business and non-business users alike.
第一个工具是即时消息，这是当今的业务用户和非业务用户使用得最多的工具之一。
Here I discovered not one but two instant messaging crazes. The first, which brought back memories of my previous addiction to the computer, was QQ.
在这里，我发现对在线实时信息的狂热不是一种而是两种，第一种就是QQ，它让我回想起当年我在计算机上的痴迷。
When it comes to choosing a messaging solution, you're looking for the one that fits your enterprise like a glove.
说到对消息传递解决方案的选择，您可以像配手套那样找到适合于企业的解决方案。
Moving a message between messaging systems — Many messaging scenarios involve receiving one message and sending another as a result.
在消息传递系统之间移动消息——许多消息传递场景包括接收一个消息并发送另一个消息作为结果。
Why, one might wonder, would you want to write a JMS messaging program to operate outside of a J2EE environment?
人们可能会感到奇怪，为什么要编写在J2EE环境外部执行的JMS消息传递程序？
One should then seek to document the messaging protocol flows.
有个人这时应尝试记录消息协议流。
Many existing products from many technology providers implement reliable messaging in one form or another.
源自众多技术供应商的许多现有产品以一种或另一种形式实现可靠的消息传递。
These, along with other recent articles by IBM colleagues, have focused primarily on the one-way messaging paradigm.
这几篇文章以及IBM 的同事最近撰写的其他一些文章，都主要关注单向的消息传递模式。
The most important gateway into this world is QQ, the instant-messaging service owned by Tencent and arguably one of the world's most valuable digital franchises.
通往互联网世界最重要的门户是腾讯旗下的即时信息服务QQ，腾讯是世界上极富争议也是最具价值的数字专营服务商。
Besides whittling my three Numbers down to one, Voice offers free text messaging online.
语音服务除了将我的三个号码合并成一个之外，还提供了免费在线短信功能。
We do have just one tiny complaint before we close. Only one instant messaging service is supported: Yahoo!
最后，雅虎移动还有一个小小的不足之处：即时通讯服务仅支持雅虎一种，我们希望看到更多服务。
Multiple JMS messaging systems; perhaps an internal one and a separate one for business partners, perhaps running as products from different vendors.
不同的JMS消息系统，对业务模式来说可能是一个内部的也可能是一个外部的，可能在不同的提供商处运行为产品。
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