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Fault-tolerant and scalable TCP splice and web server architecture

机译：容错和可缩放的TCP拼接和Web服务器架构

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摘要

This paper describes three enhancements to the TCP splicing mechanism: (1) Enable a TCP connection to be simultaneously spliced through multiple machines for higher scalability; (2) Make a spliced connection fault-tolerant to proxy failures; and (3) Provide flexibility of splitting a TCP splice between a proxy and a backend server for further increasing the scalability of a web server system. A web server architecture based on this enhanced TCP splicing is proposed. This architecture provides a highly scalable, seamless service to the users with minimal disruption during server failures. In addition to the traditional web services in which users download webpages, multimedia files and other types of data from a web server, the proposed architecture supports newly emerging web services that are highly interactive, and involve relatively longer, stateful client-server sessions. A prototype of this architecture has been implemented as a Linux 2.6 kernel module, and the paper presents important performance results measured from this implementation.
机译：本文介绍了TCP拼接机制的三种增强功能：（1）启用TCP连接以同时拼接通过多台机器以获得更高的可扩展性; （2）对代理故障进行拼接连接容错; （3）提供在代理和后端服务器之间分离TCP拼接的灵活性，以进一步提高Web服务器系统的可扩展性。提出了一种基于该增强TCP拼接的Web服务器体系结构。此架构向用户提供高度可扩展的无缝服务，在服务器故障期间具有最小的中断。除了传统的Web服务之外，其中用户下载来自Web服务器的网页，多媒体文件和其他类型的数据，所提出的架构支持新兴的Web服务，这些Web服务是高度交互的，涉及相对较长的，有状态客户服务器会话。此架构的原型已实现为Linux 2.6内核模块，纸张提出了从此实现中衡量的重要绩效结果。

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