Improvement of the mechanism of congestion avoidance in mobile networks

Subject Areas : Computer Networks and Distributed Systems

Maryam  Bagheri ¹ (Department of Computer Engineering and Information Technology, Payame Noor University,)
Bita  Amirshahi ² (Department of Computer Engineering and Information Technology, Payame Noor University,)
Mehdi  Khalili ³ (Department of Computer Engineering and Information Technology, Payame Noor University,)

Received: 2014-10-26 Accepted : 2016-06-20 Published : 2016-09-01

Keywords: Congestion control, TCP, Rate Control, Mobile Ad hoc Networks,

Abstract :

Mobile ad hoc network congestion control is a significant problem. Standard mechanism for congestion control (TCP), the ability to run certain features of a wireless network, several mutations are not common. In particular, the enormous changes in the network topology and the joint nature of the wireless network. It also creates significant challenges in mobile ad hoc networks (MANET), density is one of the most important limitations that disrupts the function of the entire network, after multi-path routing can load balance in relation to the single-path routing in ad hoc networks better, so the traffic division multiple routs congestion is reduced. This study is a multi-path load balancing and congestion control based on the speed of rate control mechanism to avoid congestion in the network provides communication flows. Given such a speed control method that is consistent is that the destination node copy speed is estimated at intermediate nodes and its reflection in the In the forward direction confirmation to the sender sends a packet, therefore the rate quickly estimate The results of the simulation has been set to demonstrate that a given method better package delivery speed and expanded capacity and density to be effective checks congestion control method is better than The result traditional.

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