Appropriate SACK handling for temporary disconnections in a wireless multi-homed environment

Authors:
Ye Na Kim;Tai-Wan Kim;Taekeun Park
Affiliations:
Department of Computer Science, Dankook University, Yongin, Korea;Department of Multimedia Engineering, Dankook University, Cheonan, Korea;Department of Multimedia Engineering, Dankook University, Cheonan, Korea
Venue:
IEEE Communications Letters
Year:
2010

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Abstract

In this letter, we describe inappropriate SACK (Selective Acknowledgement) handling in SCTP multihomed environment, and propose a simple modification. The main idea of the modification is that a sender does not increase the congestion control window size of a primary path when availability of the path is ambiguous. Through simulation, we show that the performance is much improved with this simple modification compared to standard SCTP.