Using the REST-based HTTP GET method, the XML proxy will look to see if the request is cached in the simple data grid.

通过使用基于REST的HTTP GET方法，XML代理将查看请求是否缓存在简单数据网格中。

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To overcome the same-origin policy restriction, WebSphere Portal offers a solution that is based on a server-side HTTP proxy, the Ajax proxy layer.

为了克服相同来源的限制，WebSphere Portal 提供了一个基于服务器端的 HTTP 代理方案，也就是 Ajax 代理层。

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Additionally, the proxy can filter on HTTP headers, cookies, and mime-types to provide a level of control over the sites that a browser-based client can access.

另外，该代理可以对HTTP标头、cookie和MIME类型进行筛选，以便对基于浏览器的客户端访问的网站提供一定级别的控制。

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