| 面向多媒体通信的流控传输协议SCTP的研究 |
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| 引用本文： | 李世辉, 张晋东, 黄治华, 段汉文. 面向多媒体通信的流控传输协议SCTP的研究[J]. 武汉大学学报 ( 信息科学版), 2002, 27(1): 102-106. |
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| 作者姓名： | 李世辉 张晋东 黄治华 段汉文 |
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| 作者单位： | 武汉大学多媒体网络通信工程湖北省重点实验室, 武汉市珞喻路129号, 430097 |
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| 摘 要： | 介绍了一种面向多媒体类信号传递的基于IP网络的流控传输协议SCTP,讨论了它为提供可靠传输服务而采用面向联结机制的主要框架和多路流、多地址两大核心特性;分析了SCTP的消息、状态机和各状态的变迁过程,以及在联结的不同阶段为进行拥塞控制和攻击预防而采用的独特的处理机制;给出了SCTP控制和流引擎部分的具体实现策略。
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| 关 键 词： | SCTP 流 信号传输 拥塞控制 |
| 文章编号： | 1000-050X(2002)01-0102-05 |
| 收稿时间： | 2002-01-08 |
| 修稿时间： | 2002-01-08 |
Stream Control Transmission Protocol for Multimedia Communications |
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| LI Shihui, ZHANG Jindong, HUANG Zhihua, DUAN Hanwen. Stream Control Transmission Protocol for Multimedia Communications[J]. Geomatics and Information Science of Wuhan University, 2002, 27(1): 102-106. |
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| Authors: | LI Shihui ZHANG Jindong HUANG Zhihua DUAN Hanwen |
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| Affiliation: | The Key Laboratory of Multimedia and Network Communications Engineering, Hubei Province, Wuhan University, 129 Luoyu Road, Wuhan, China, 430079 |
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| Abstract: | This paper describes a new IP transport protocol,the stream control transmission protocol (SCTP),which is at an equivalent layer as UDP (User Datagram Protocol) and TCP (Transmission Control Protocol) and especially fit for signaling messages transmission such as multimedia data over IP networks.The infrastructure of the SCTP which enables a reliable transport service through an connection_oriented mechanism is introduced,and the core features of the SCTP,multi_streaming and multi_homing are discussed.In addition,the SCTP message format,state machine and the three main phases in states transferring,and the specific mechanisms to obtain appropriate congestion avoidance and resistance to flooding and masquerade attacks during these phases are analyzed.Finally,the details of the implementation of SCTP are presented. |
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| Keywords: | stream control transmission protocol stream signaling transport TCP congestion control |
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