End-to-End Congestion Control for the Internet: Delays and Stability", Cam- bridge Uniu

Under the assumption that queueing delays will eventually become small relative to prop-agation delays, we derive stability results for a fluid flow model of end-to-end Internet conges-tion control. The theoretical results of the paper are intended to be decentralized and locally implemented: each end system needs knowledge only of its own roundtrip delay. Criteria for local stability and rate of convergence are completely characterized for a single resource, single user system. Stability criteria are also described for networks where all users share the same roundtrip delay. Numerical experiments investigate extensions to more general networks. Fi-nally, through simulations, we are able to evaluate the relative importance of queueing delays and propagation delays on network stability