Robust Router Congestion Control Using Acceptance and Departure Rate Measures

In packet switched networks, routers need to implement controls to overcome the problems of reduced performance in the event of congestion. In this work, with a view towards robust implementation, we examine a new active queue management scheme, Acceptance and Departure Rate (ADR), that uses a combination of acceptance rate and departure rate measures to control link congestion. Unlike many existing approaches, the ADR scheme does not implicitly or explicitly use queue length measures which are not robust to changes in system capacity. The main advantage of our approach being its robustness with varying network parameters including link capacity and network load. We also compare the performance of our approach with other known active queue management schemes.