As with any JMS application, the quality of service you choose impacts performance — reliability and robustness have a cost.

与任何JMS应用程序一样，您所选择的服务质量将会影响到性能，即可靠性和健壮性是有代价的。

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A service exposed to multiple, potentially unknown consumers will need to be strengthened in terms of security, reliability, maintainability, scalability, and governance.

公开给多个并且可能是未知用户的服务需要在安全性、可靠性、可维护性、可伸缩性和治理性方面得到增强。

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For example, a query service is often simpler and requires less quality of service (for example, security or transaction reliability) than an update service.

例如，查询服务通常更简单且比更新服务需要更少的服务功能(例如，安全或事务的可靠性)。

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"What's unique about the pay phone network in New York is that the reliability of service is overwhelming -- and not just in hurricanes, " said Izzo, citing the blackout of 2003 and the chaos of Sept. 11, 2001.

CNN: Is the pay phone making a comeback?

Twitter has gone to great lengths in recent years to improve the reliability of its service, which was criticized in its early days for its frequent and prolonged outages.

WSJ: Twitter Blames Data-Center Failures for Outage

This intentional myopic approach ignores powerful marketplace evidence that consumers value other things than just speed in broadband service, like mobility, price, reliability, quality of service, etc.

FORBES: A Problem in Search of a Problem