As described in this Information Center article, the SIP side of the proxy has the ability to route to a cluster based on a variety of mechanisms, including the message type explained in my example.

如这篇信息中心文章中所述，代理的sip侧有能力基于各种机制路由到集群，包括在我的示例中介绍的消息类型。

youdao

When everyone has perfect information, traffic jams simply spread onto the side roads that seem to offer a way around them.

当每个人都掌握完美的信息时，交通堵塞就会蔓延至旁边的道路，而这些道路似乎本是为其提供通路的。

youdao

If you don't have time on your side, you'll have to advance with incomplete information and be open to adapting as you go.

如果你这方面没有时间的话，你必须在信息不完整的情况下前进，并在前进中随时准备调整计划。

youdao

The site has only limited sell-side information on the banks, no information on buyers and, rather crucially, in all but three cases no prices for available credits.

ECONOMIST: An exchange for species rather than stocks

As a result, Britain's coppers are wondering whether one side-effect of the information age is going to be an upsurge of civil disobedience.

ECONOMIST: Cyberthugs | The

Then I put Metro (i.e. the new UI which officially has no distinct name) on the right-side display, where it deals with all incoming information -- email, calendars, Twitter and other glance-worthy stuff that shouldn't require any mouse activity.

ENGADGET: Windows 8 upgrade diary: multiple monitors make my mouse mad