Identifying the Performance Impairment of HTTP

机译：识别HTTP的性能损害

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Online web services have been constantly developed and offered through the Internet. These services rely on webpages that are hosted on remote servers and are transmitted to clients via HTTP upon requests. While HTTP has been updated to support more and more sophisticated services with increasing amount of multimedia content, the real-world adoption of those updates is still very slow. In this paper, we investigate the performance impairment in current HTTP implementations and suggest solutions to improve the situation. Specifically, we identify two insights, i.e., avoiding unnecessary DNS lookups by replacing domain names with prefetched IP addresses for linked resources and reducing TCP connections by attaching linked resources to HTML files as binary stream, that could be employed to largely improve the performance of web services without modifying HTTP itself. Through extensive measurements, we validate our insights and the results confirm our findings.

机译：在线网络服务一直在不断发展，并通过Internet提供。这些服务依赖于托管在远程服务器上的网页，并根据请求通过HTTP传输给客户端。虽然HTTP已更新为支持越来越多的复杂服务以及越来越多的多媒体内容，但是这些更新在现实世界中的采用速度仍然很慢。在本文中，我们调查了当前HTTP实现中的性能损害，并提出了解决方案，以改善这种情况。具体而言，我们确定了两种见解，即通过使用链接资源的预取IP地址替换域名来避免不必要的DNS查找，以及通过将链接资源作为二进制流附加到HTML文件来减少TCP连接，从而可以极大地提高Web的性能。服务，而无需修改HTTP本身。通过广泛的测量，我们验证了我们的见解，结果证实了我们的发现。

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《IEEE Conference on Local Computer Networks》|2017年|563-566|共4页
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Jens Heuschkel; Jens Forstmann; Lin Wang; Max Mühlhäuser;
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Browsers; IP networks; Loading; Web servers; Prefetching;

机译：浏览器; IP网络;加载; Web服务器;预取;

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Identifying the Performance Impairment of HTTP

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