对于很多客户来说，IBM Lotus Sametime已经成为任务关键型应用程序，因此，Sametime基础设施的升级不应该一次性全部执行，而应该分阶段进行升级。

For many customers, IBM Lotus Sametime has become a mission-critical application, and as such, the upgrade of your Sametime infrastructure should not be executed all at once, but rather in stages.

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许多大型搜索引擎网站，或组织的关键任务计算基础设施上部署和使用，并在他们的计算机系统上运行FreeBSD多年。

Many large web search engines and organisations with mission-critical computing infrastructures have deployed and used FreeBSD on their computer systems for years.

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