Optimal Congestion Control with Multipath Routing Using TCP-FAST and a Variant of RIP

Abstract. This paper discusses an optimization-based approach for congestion control together with multipath routing in a TCP/IP network. In recent research we have shown how natural optimization problems for resource allocation can be solved in decentralized way across a network, by traffic sources adapting their rates and routers adapting their traffic splits, all using a common congestion measure. We present here a concrete implementation of such algorithms, based on queueing delay as congestion price. We use TCP-FAST for congestion control, and develop a multipath variant of the distance vector routing protocol RIP. We demonstrate through ns2-simulations the collective behavior of the system, in particular that it reaches the higher transfer rates available through multiple routes.

• Type: Conference
• Year: 2007
• Where: NETCOOP
• Authors: Enrique Mallada, Fernando Paganini
• Keywords: Common Congestion Measure, Computer Networks, Congestion Control, Distance Vector Routing Protocol, NETCOOP 2007