Concurrent multipath communication for real-time traffic

Authors:
M. Fiore;C. Casetti;G. Galante
Affiliations:
Dipartimento di Elettronica, Politecnico di Torino, C.so Duca degli Abruzzi 24, 10129 Torino, Italy;Dipartimento di Elettronica, Politecnico di Torino, C.so Duca degli Abruzzi 24, 10129 Torino, Italy;Networking Lab, Istituto Superiore Mario Boella, via P. Carlo Boggio 61, 10138 Torino, Italy
Venue:
Computer Communications
Year:
2007

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Abstract

The growing availability of multiple network interfaces on both mobile and fixed hosts makes concurrent multipath transfer (CMT) an appealing option to improve the performance of increasingly bandwidth-hungry multimedia applications. The Westwood Stream Control Transmission Protocol with Partial Reliability (W-PR-SCTP) is a partially reliable, SCTP-based transport protocol featuring a novel adaptive traffic-scheduling algorithm enabling CMT of multimedia real-time traffic on multihomed hosts. This paper introduces W-PR-SCTP, reports a thorough evaluation of the new protocol with the ns-2 network simulator under several traffic scenarios, outlines its implementation in Linux and its testing in a simple experimental setup.