Aiming at the problem that gradient projection method for adjusting the link price is slower convergence in TCP/AQM dual model,the BFGS method with a faster convergence rate is used to calculate the link price and a congestion rate control algorithm by using BFGS method is presented in this paper.

In this paper,the authors systemically have studied the TCP/IP feedback congestion control systems,including the congestion detection and congestion control in the TCP layer and IP layer,the general framework for the TCP/IP feedback congestion control systems,the TCP window control dynamic model,the IP queue length dynamic model and the AQM model.

Improvement in fairness of congestion control based on optimization theory and duality model;

It is discussed that duality models for a class of constrained multiobjective fr actional optimal control problems proposed by Zalmai on the base of the proper e fficiency conditions proved by the authors earlier.

An optimization dual model was developed to minimize the cost of Compound Fertilizer.

In this paper, the concept of dual models of a propositional linear temporal logic formula is defined: A formula f has dual models if it has two models (namely two ω-sequences of states) such that the assignments to atomic propositions at each position of them are dual.