  Stream Control Transmission Protocol (SCTP) was introduced in 2001 as a
multipath variant to traditional transport protocols, i.e. Transmission Control
Protocol (TCP) and User Datagram Protocol (UDP). Concurrent Multipath Transfer
(CMT) has been proposed as an extension for SCTP to support concurrent usage of
available multiple paths. In this paper, we propose a new congestion control
algorithm for CMT-SCTP based on the principle of resource pooling. We use the
connection bandwidth estimates to obtain the collection of the network
resources being used by different flows on multiple paths. Based on these
bandwidth estimates, we have used the bandwidth estimation based resource
pooling approach to adjust the congestion window of the respective paths. We
compare our proposed scheme with CMT-SCTP through ns-2 based simulations.
