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计算机工程 ›› 2009, Vol. 35 ›› Issue (6): 113-115. doi: 10.3969/j.issn.1000-3428.2009.06.039

• 网络与通信 • 上一篇    下一篇

区分服务网络中SCTP协议的改进

刘 辉,唐 扬   

  1. (国家数字交换系统工程技术研究中心,郑州 450002)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-03-20 发布日期:2009-03-20

Improvement of SCTP in Differentiated Services Networks

LIU Hui, TANG Yang   

  1. (National Digital Switching System Engineering & Technological R&D Center, Zhengzhou 450002)

  • Received:1900-01-01 Revised:1900-01-01 Online:2009-03-20 Published:2009-03-20

摘要: 针对双窗口算法难以判断包丢弃类型的问题,提出一种新的包丢弃类型判断方法,对SCTP协议的确认块进行扩展,从确认块中获取包丢弃类型信息。在NS2上进行仿真实验,实验结果表明,改进后的SCTP协议在吞吐率方面有显著提高。

关键词: 流控制传输协议, 确保服务, 双窗口算法, 吞吐率

Abstract: Aiming at the problem that two-window algorithm can not judge the dropped packets marked type, a novel judgement method for dropped packets marked type is proposed, which extends the SACK chunk of SCTP, and the dropped packets’ marked type information is obtained from the extended SACK chunks. Simulation experiments are made in NS2, and the results indicate the improved SCTP achieves more throughput.

Key words: Stream Control Transmission Protocol(SCTP), assured services, two-window algorithm, throughput

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