Dreibholz, Thomas; Seggelmann, Robin; Tüxen, Michael; Rathgeb, Erwin P.:

Transmission Scheduling Optimizations for Concurrent Multipath Transfer

In: Proceedings of the 8th International Workshop on Protocols for Future, Large-Scale and Diverse Network Transports (PFLDNeT 2010)
Buchaufsatz / Kapitel / Fach: Informatik
SCTP is a general-purpose Transport Layer protocol with
out-of-the-box support for multi-streaming as well as multi-
homing. A protocol extension, which is denoted as CMT-
SCTP, extends SCTP by supporting Concurrent Multipath
Transfer (CMT). That is, multiple network paths are uti-
lized simultaneously in order to improve the payload data
throughput. However, dissimilar paths { i.e. paths having
dierent delays or bandwidths { are challenging and also
very likely in internet setups.
In this paper, we show how CMT-SCTP data transport per-
formance can be improved by combining multi-streaming
with an advanced stream scheduling policy and SCTP API
enhancements. The performance benet of our approach in
dissimilar path setups is proven by simulations.1

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