Subsequent requests to the same page within the lifetime of the content are responded to directly by the caching proxy, and thus do not generate load on the portal server.
在内容的生存期内，对同一页面的后续请求都将由缓存代理直接响应，因而不会在门户服务器上生成工作负载。
Caching: The reverse proxy server can cache static content to provide better performance.
缓存：反向代理服务器可以缓存静态内容以提供更好的性能。
The proxy design pattern also has possibilities for adding caching and some content validation, making it a good solution even when all content is loaded from the same server.
代理设计模式也可添加缓存和一些内容验证，因此在所有内容均加载自同一服务器时，这是一种不错的解决方案。
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