After deploying the component, a server restart is required because the component includes a server extension.

部署完组件后，需要重启服务器，因为组件包含了一个服务器扩展。

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The latter technique requires a specialized server to receive your XML requests and maintain different versions of pages, though you can easily write such a server extension in a few lines of PHP.

后一种技术要求专门的服务来接收XML请求和维护页面的不同版本，虽然用几行PHP代码就能编写这样的服务器扩展。

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Modules provide an extension mechanism to the server.

模块为服务器提供了一个扩展机制。

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The new systems design combines IBM's new zEnterprise mainframe server with new technology--the IBM zEnterprise BladeCenter Extension and the IBM zEnterprise Unified Resource Manager--that enable it to manage workloads running across System z, and select POWER7 and System x servers.

ENGADGET: IBM's zEnterprise architecture makes mainframes cool again, also efficient (video)