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政大機構典藏 > 政大會議論文集 > TANET 台灣網際網路研討會 > 會議論文 > Item 140.119/113984

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Title:	支援代理伺服器輔助視訊串流之區段式流量控制機制 A Segment-based Flow Control Mechanism for Supporting Proxy-Assisted Video Streaming
Authors:	陳俊義童曉儒
Keywords:	串流媒體;流量控制;代理伺服器 video streaming;flow control;proxy server
Date:	2006
Issue Date:	2017-10-23 14:24:35 (UTC+8)
Abstract:	目前串流媒體皆以UDP為基礎的通訊協定，然而UDP本身並無流量控制，忽略在網路上其它正在流通的資料流，而佔用了網路頻寬資源，因此目前網路訊協定仍以TCP為主流，然而在廣域網路中，封包可能經過數個路由器與不同形態的網路，因此延遲與速率也會產生明顯的變異度（Jitter）落差，並且TCP偵測封包遺失、以及壅塞控制，皆會對檔案的傳送產生不同的影響。有鑑於此，本研究將以TCP通訊協定為基礎，針對「區段大小對網路傳輸的特性」、以及「多線程下載之技術」，提出「Adaptive TCP-Trunking Flow Control (ATCP+)」演算法，來控制廣域網路(WAN)的傳輸流量，來解決目前串流媒體(streaming)流量控制的問題，並作為代理伺服器輔助時的流量控制策略。 At the present day, stream’s protocol is UDP basis, it has no flow control algorithm and cause network congestion and occupy other user’s bandwidth, so TCP is generally apply to network’s protocol. However, TCP congestion control algorithms might affect to stream transmission. Therefore, we present a flow control algorithm (ATCP+) suitable for streaming in the network. In this paper we illustrate the algorithm, and analyze its behavior using experiments in real networks.
Relation:	TANET 2006 台灣網際網路研討會論文集中小學網路教學與數位學習
Data Type:	conference
Appears in Collections:	[TANET 台灣網際網路研討會] 會議論文

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