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Comparative Analysis of CODEL and LEDBAT to Overcome Bufferbloat Problem

Authors(2):

Jyoti Chawla, Shailja Kumari
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Bufferbloat is a problem in a packet-switched network which can occur due to increase in the size of buffer with increase in internet traffic. This creates high latency in network which ultimately degrades the performance of the network. The usage of oversized buffer in the networks results in increasing the queuing delay. Researcher has made two types of suggestions to solve the bufferbloat problem. One is End to End (E2E) congestion control and second is deployment of Active Queue Management (AQM) techniques. This research paper focuses on comparative analysis of Active Queue Management Technique CoDel (Controlled Delay) and Congestion Control Technique LEDBAT (Low Extra Delay Background Transport) for solving bufferbloat problem. This paper compares CoDel with LEDBAT using performance metrics such as end to end delay; queuing delay and queue loss using network simulator-2 (ns-2) and the graphs are drawn using X-graph. The simulation results revealed that LEDBAT has efficiently overcome bufferbloat problem as compared to CODEL by having less end to end delay, less queuing delay and no queue loss.

Jyoti Chawla, Shailja Kumari

Bufferbloat, Active queue management, Controlled Delay, Low Extra Delay Background Transport, Network Simulator-2

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Publication Details

Published in : Volume 2 | Issue 3 | May-June - 2016
Date of Publication Print ISSN Online ISSN
2016-06-08 2395-1990 2394-4099
Page(s) Manuscript Number   Publisher
545-550 IJSRSET1623156   Technoscience Academy

Cite This Article

Jyoti Chawla, Shailja Kumari, "Comparative Analysis of CODEL and LEDBAT to Overcome Bufferbloat Problem", International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 2, Issue 3, pp.545-550, May-June-2016.
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