NDLI: Cross-layer improvement for TCP Westwood and VoIP over satellite

Content Provider	IEEE Xplore Digital Library
Author	Kalama, M. Kluth, M.-P. Mourgues, S. Evans, B.
Copyright Year	2006
Description	Author affiliation: Centre for Commun. Syst. Res., Surrey Univ., Guildford (Kalama, M.; Kluth, M.-P.; Mourgues, S.)
Abstract	Satellite communications can play an important role in extending the reach of broadband networks to terrestrially underserved areas. However, several popular Internet applications could suffer from performance degradation over satellite (e.g. realtime gamming, web browsing, VoIP), thus necessitating protocol modifications and additional optimisation mechanisms. Cross-layer design, which is the optimisation technique adopted in this paper, is a relatively new idea in network design. It is based on blurred boundaries between network layers. In particular, two cross-layer mechanisms are described; the first adapts the VoIP speech coding rate according to network congestion while the second uses TCP state information at MAC layer in order to improve the throughput of TCP traffic. Analysis in this paper demonstrates that the use of cross-layer techniques could improve the performance of the targeted applications in terms of reduced delay while continuously maintaining an optimal speech coding rate for VoIP
Starting Page	204
Ending Page	208
File Size	6119117
Page Count	5
File Format	PDF
ISBN	1424401186
DOI	10.1109/IWSSC.2006.256025
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-09-14
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Degradation Cross layer design Protocols Speech coding Telecommunication traffic Throughput Broadband communication Internet Satellite communication Design optimization
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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