The study of an ATM switch system used for on-board processing

Yong Li, Huibo Xiong

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

On-board processing (OBP) is one of significant satellite communication technologies, and the Asynchronous Transfer Mode (ATM) is widely used in the OBP which can guarantee the QoS. This article presents the CAC (Call Admission Control) algorithm and Congestion Control algorithm. We combine with B-CAC algorithm, Bahadur-Rao's theory, Weiss theory, to improve the old method, and the simulation results show that when the PDR/LR is small the burst is high, the chain utilization and statistic multiplexing gain get a big advantage. Besides, concerning TCP congestion control, the article compared five strategies: Tahoe, Reno, Newreno, Sack and Vegas. The simulation results show that the Vegas can be used to predict congestion conditions correctly; its congestion window (cwnd) control is smoother and is superior to other algorithms in average RTT.

Original languageEnglish
Title of host publicationSecond International Conference on Space Information Technology
DOIs
StatePublished - 2007
Event2nd International Conference on Space Information Technology - Wuhan, China
Duration: 10 Nov 200711 Nov 2007

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume6795
ISSN (Print)0277-786X

Conference

Conference2nd International Conference on Space Information Technology
Country/TerritoryChina
CityWuhan
Period10/11/0711/11/07

Keywords

  • ATM
  • CAC
  • Congestion control
  • OBP

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