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Impact of slow start on SCTP handover performance
KTH. Ericsson Research.
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2011 (English)In: Proc Int Conf Comput Commun Networks ICCCN, 2011Conference paper (Refereed)
Abstract [en]

The rapidly growing interest in untethered Internet connections, especially in terms of WLAN and 3G/4G mobile connections, calls for intelligent session management: a mobile device should be able to provide a reasonable end-user experience despite location changes, disconnection periods and, not least, handovers. As part of an effort to develop a SCTP-based session management framework that meets these criteria, we are studying ways of improving the SCTP handover delay for real-time traffic; especially the startup delay on the connection between a mobile device and the target access point. To obtain an appreciation of the theoretically feasible gains of optimizing the startup delay on the handover-target path, we have developed a model that predicts the transfer times of SCTP messages during slow start. This paper experimentally validates our model and demonstrates that it could be used to predict the message transfer times in a variable bitrate flow by approximating the variable flow with a constant dito. It also employs our model to obtain an appreciation of the startup delay penalties incured by slow start during handovers in typical mobile, real-time traffic scenarios.

Place, publisher, year, edition, pages
, Proceedings - International Conference on Computer Communications and Networks, ICCCN, ISSN 1095-2055
Keyword [en]
Access points, Delay penalty, End-user experience, Hand over, Handover delay, Handover performance, Internet connection, Message transfers, Mobile connection, Real time traffics, Session management, Slow start, Transfer time, Variable bit rate, Conference calls, Internet, Mobile devices, Internet protocols
National Category
Communication Systems
URN: urn:nbn:se:kth:diva-150750DOI: 10.1109/ICCCN.2011.6005825ScopusID: 2-s2.0-80052994462ISBN: 9781457706387OAI: diva2:745021
2011 20th International Conference on Computer Communications and Networks, ICCCN 2011, 31 July 2011 through 4 August 2011, Maui, HI

QC 20140909

Available from: 2014-09-09 Created: 2014-09-09 Last updated: 2014-09-09Bibliographically approved

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Cheimonidis, Georgios
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Communication Systems

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