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Theoretical analysis of an ideal startup scheme in multihomed SCTP
KTH, School of Information and Communication Technology (ICT), Communication: Services and Infrastucture (Closed 20120101), Telecommunication Systems Laboratory, TSLab (closed 2012-01-01).
2010 (English)In: Networked Services And Applications - Engineering, Control And Management, Springer, 2010, 155-166 p.Conference paper (Refereed)
Abstract [en]

SCTP congestion control includes the slow-start mechanism to probe the network for available bandwidth. In case of a path switch in a multihomed association, this mechanism may cause a sudden drop in throughput and increased message delays. By estimating the available bandwidth on the alternate path it is possible to utilize a more efficient startup scheme. In this paper, we analytically compare and quantify the degrading impact of slow start in relation to an ideal startup scheme. We consider three different scenarios where a path switch could occur. Further, we identify relevant traffic for these scenarios. Our results point out that the most prominent performance gain is seen for applications generating high traffic loads, like video conferencing. For this traffic, we have seen reductions in transfer time of more than 75% by an ideal startup scheme. Moreover, the results show an increasing impact of an improved startup mechanism with increasing RTTs.

Place, publisher, year, edition, pages
Springer, 2010. 155-166 p.
, Lecture Notes in Computer Science, ISSN 0302-9743 ; 6164
Keyword [en]
Alternate path, Available bandwidth, Congestion Control, Message delay, Multihomed, Performance Gain, Slow-start, Start-up mechanism, Traffic loads, Transfer time, Internet protocols, Video conferencing, Bandwidth
National Category
Computer Science
URN: urn:nbn:se:kth:diva-149610DOI: 10.1007/978-3-642-13971-0_15ISI: 000282352400015ScopusID: 2-s2.0-77955451425ISBN: 3642139701ISBN: 978-3-642-13970-3OAI: diva2:740495
16th EUNICE/IFIP WG 6.6 Workshop on Networked Services and Applications - Engineering, Control and Management, EUNICE 2010; Trondheim; Norway; 28 June 2010 through 30 June 2010

QC 20140825

Available from: 2014-08-25 Created: 2014-08-25 Last updated: 2014-08-25Bibliographically approved

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Grinnemo, Karl-Johan
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Telecommunication Systems Laboratory, TSLab (closed 2012-01-01)
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