Design of A TCP-friendly Protocol for

碩士 === 國立臺灣大學 === 電機工程學研究所 === 91 === This thesis proposes a new TCP-friendly congestion control algorithm designated for multimedia transport over best effort network, namely Adaptive Multi-Rate Transport Protocol (AMRTP). Compared to current TCP-friendly congestion control algorithm, AMRTP does ta...

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Main Authors: Sheng-yuan Jan, 詹勝淵
Other Authors: Wanjiun Liao
Format: Others
Language:zh-TW
Published: 2003
Online Access:http://ndltd.ncl.edu.tw/handle/16716026060853522519
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spelling ndltd-TW-091NTU004421192016-06-20T04:15:46Z http://ndltd.ncl.edu.tw/handle/16716026060853522519 Design of A TCP-friendly Protocol for 網際網路多媒體傳輸協定之設計 Sheng-yuan Jan 詹勝淵 碩士 國立臺灣大學 電機工程學研究所 91 This thesis proposes a new TCP-friendly congestion control algorithm designated for multimedia transport over best effort network, namely Adaptive Multi-Rate Transport Protocol (AMRTP). Compared to current TCP-friendly congestion control algorithm, AMRTP does take data rate generated by upper layer protocol into consideration. As a consequence, the sending rate of AMRTP may be any combination of discrete sending rate, while other approach use continuous sending rate or require some restriction among those data rate generated by application. AMRTP uses virtual congestion window as its bandwidth estimation. The growth of virtual congestion window could be governed by any of existing TCP-friendly congestion algorithm. More over, by adaptively tuning the congestion control parameters, AMRTP is able to capture network transient dynamics while maintaining smoothness in steady state. To further reduce the sending rate variation, AMRTP calculate normalize the RTT at each congestion epoch to dispel large sending rate variation caused by queuing delay. Finally, the difference between estimate sending rate and application data rate is masked using probabilistic decision. From the simulation result, AMRTP is able to maintain high utilization, fairness and TCP-friendliness over wide rage of network settings. Wanjiun Liao 廖婉君 2003 學位論文 ; thesis 61 zh-TW
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language zh-TW
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description 碩士 === 國立臺灣大學 === 電機工程學研究所 === 91 === This thesis proposes a new TCP-friendly congestion control algorithm designated for multimedia transport over best effort network, namely Adaptive Multi-Rate Transport Protocol (AMRTP). Compared to current TCP-friendly congestion control algorithm, AMRTP does take data rate generated by upper layer protocol into consideration. As a consequence, the sending rate of AMRTP may be any combination of discrete sending rate, while other approach use continuous sending rate or require some restriction among those data rate generated by application. AMRTP uses virtual congestion window as its bandwidth estimation. The growth of virtual congestion window could be governed by any of existing TCP-friendly congestion algorithm. More over, by adaptively tuning the congestion control parameters, AMRTP is able to capture network transient dynamics while maintaining smoothness in steady state. To further reduce the sending rate variation, AMRTP calculate normalize the RTT at each congestion epoch to dispel large sending rate variation caused by queuing delay. Finally, the difference between estimate sending rate and application data rate is masked using probabilistic decision. From the simulation result, AMRTP is able to maintain high utilization, fairness and TCP-friendliness over wide rage of network settings.
author2 Wanjiun Liao
author_facet Wanjiun Liao
Sheng-yuan Jan
詹勝淵
author Sheng-yuan Jan
詹勝淵
spellingShingle Sheng-yuan Jan
詹勝淵
Design of A TCP-friendly Protocol for
author_sort Sheng-yuan Jan
title Design of A TCP-friendly Protocol for
title_short Design of A TCP-friendly Protocol for
title_full Design of A TCP-friendly Protocol for
title_fullStr Design of A TCP-friendly Protocol for
title_full_unstemmed Design of A TCP-friendly Protocol for
title_sort design of a tcp-friendly protocol for
publishDate 2003
url http://ndltd.ncl.edu.tw/handle/16716026060853522519
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