A Connectivity-Driven Retransmission Scheme Based On Transport Layer Readdressing

Michio Honda, Jin Nakazawa, Yoshifumi Nishida, Masahiro Kozuka, Hideyuki Tokuda

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Migration between different wireless access networks often involves disconnected period, which is caused bypassing an area of bad wireless coverage and potential overhead to switch the network on the network interface to connect to. The disconnected period can cause extra transmission delay due to the timer-driven retransmission behavior in the transport protocols, such as TCP and SCTP. We propose a new retransmission scheme to achieve better migration performance in SCTP, which is a newer connection-oriented and reliable transport protocol that is becoming popular. Our scheme minimizes the extra transmission delay by leveraging address reconfiguration operation in SCTP without involving other layers. It decreases the delay more than 5 seconds compared to the original SCTP when migration involves approximately ten-second disconnected period. The implementation of our scheme is already imported in FreeBSD.
Original languageEnglish
Title of host publication2008 The 28th International Conference on Distributed Computing Systems
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages277-285
Number of pages9
ISBN (Electronic)978-0-7695-3172-4
DOIs
Publication statusPublished - 12 Aug 2008
EventThe 28th International Conference on Distributed Computing Systems - Beijing, China
Duration: 17 Jun 200820 Jun 2008
Conference number: 28
http://www.engin.umd.umich.edu/icdcs/CFP.html

Publication series

Name
PublisherInstitute of Electrical and Electronics Engineers
ISSN (Print)1063-6927

Conference

ConferenceThe 28th International Conference on Distributed Computing Systems
Abbreviated titleICDS 2008
CountryChina
CityBeijing
Period17/06/0820/06/08
Internet address

Keywords

  • transport protocol
  • mobility
  • disruption tolerance
  • retransmission behavior
  • SCTP

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