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A Comparative Analysis of Queue Management Techniques using NS-2 Simulator
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 65 - Number 6 |
| Year of Publication: 2013 |
| Authors: P. T. Mahida, Kinjal Patel, Nayan Vanza, Siddharth Patel |
10.5120/10925-5868
|
P. T. Mahida, Kinjal Patel, Nayan Vanza, Siddharth Patel . A Comparative Analysis of Queue Management Techniques using NS-2 Simulator. International Journal of Computer Applications. 65, 6 ( March 2013), 1-4. DOI=10.5120/10925-5868
Abstract
Effectively and fairly allocating resources to the competing users in a network is a major issue to meet the demand for higher performance nowadays. Queue management enhances the efficiency of transfers and cooperates with Transmission Control Protocol (TCP) in adapting the intense flow of the congestion in the network. The shared resources of a network are bandwidth of the link and queues on the routers and switches. As too many packets are queued awaiting transmission, the queues overflow and the packets have to be dropped which results into congestion. The queue management algorithm, which is applied to a router, plays an important role in providing Quality of Service (QoS). In this paper, we have presented a simulation based comparison and evaluation of four popular queue management schemes: Stochastic Fair Queuing (SFQ), Random Early Detection (RED), Random Exponential Marking (REM) and Droptail in terms of packet drop rate and delay. Simulation is done using Network Simulator (ns2. 34) Our Simulation results indicate that REM performed better in terms of packet drop rate and RED performs better in terms of end-to-end delay.
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