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基于SCTP的并行多流Web传输的性能评估
  • 期刊名称：系统仿真学报
  • 时间：0
  • 页码：1737-1740
  • 分类：TP393[自动化与计算机技术—计算机应用技术;自动化与计算机技术—计算机科学与技术]
  • 作者机构：[1]北京交通大学电子信息工程学院,北京100044
  • 相关基金：国家“973”重点基础研究发展规划项目（2007CB307100 2007CB307106）; 国家自然科学基金（60833002）
  • 相关项目：未来互联网体系理论及关键技术研究
作者： 薛淼|杨冬|高德云|张思东|张宏科|
关键词： 流传输控制协议, Web传输, 并行多流, 性能评估, 仿真, SCTP, Web transport, concurrent multistreamed, performance evaluation, emulation
中文摘要：

基于TCP的Web传输存在头端阻塞问题,而SCTP的多流特性,可以区分不同的逻辑流,从而避免头端阻塞。通过对Web服务器软件Apache进行修改,使其能并行响应HTTP/1.1持久连接中的pipelined请求,以发挥SCTP的多流特性。通过对多种接入环境下基于SCTP和TCP的Web传输进行仿真,并对仿真结果进行性能分析和比较。仿真结果显示,基于并行多流SCTP的Web可以更快的下载文件并降低用户感知的平均响应时间。

英文摘要：

The transport of Web based on TCP suffers head-of-line blocking.While SCTP has attractive multi-streaming feature,which is a mechanism to distinguish different logical streams,SCTP can be applied to avoid the head-of-line blocking.The Apache server implementations were modified to handle HTTP/1.1 persistent,pipelined requests to sufficiently use SCTP concurrent multi-streaming.Emulations for the transport of web based SCTP and TCP in couples of access scenarios were conducted,and the emulation results were analyzed and compared.The emulation results show that Web transport based on concurrent multistreamed SCTP profits from faster page downloads,and achieves users＇ perceivable improvements to pipelined objects＇ response time.

同期刊论文项目
未来互联网体系理论及关键技术研究
期刊论文 77 会议论文 51
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