In order to send a message from one corner of the Internet to another, the protocols of communication demand that the whole message be copied along the way several times.

为了将信息从互联网中的某个角落传输到另外一边，通信协议令信息在传输过程中经过了数次的复制。

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Message Broker is an option when Web services support is not critical, and quality-of-service requirements demand the use of mature middleware.

当 Web 服务支持不是非常关键，并且服务质量需求要求使用成熟的中间件时，可以选择使用 Message Broker。

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In response to this threat and the demand from countries for action, the World No Tobacco Day 2009 campaign focuses on the following main message.

为了应对这一威胁并根据国家的行动要求，2009年世界无烟日的活动侧重于以下主要内容。

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The device, which the Dolphins first began distributing at home games last season, contains a 4.3-inch display and provides 10 channels through which fans can individually select from a range of options, including audio programming and numerous television camera angles of the game, live updates and highlights of other games, fantasy team alerts, on-demand video, text-message boards, and concessionaires.

FORBES: NFL Experiments With Fan-Controlled In-Stadium Technology

Falling demand for gasoline hints at the same message.

FORBES: Government Cheese Does Not A Spending Spree Make

They may also be played an automated message advising them of the high demand for service and to either call back later or expect a long delay.

BBC: NHS Direct Wales 'turned off' for 999 calls, Unison claims