Performance Analysis of the Improved Droptail Router

Pengxuan MAO
Kiseon KIM

IEICE TRANSACTIONS on Communications   Vol.E94-B    No.6    pp.1740-1743
Publication Date: 2011/06/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E94.B.1740
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Network
AQM,  congestion control,  stability analysis,  

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In this letter, we propose an improved Droptail algorithm that introduces the random packet drop strategy. Our theoretical analysis and experiments prove that the improved Droptail can match the most performance of AQM algorithms in stabilizing the TCP system and solving the global synchronization problem, while significantly reducing the complexity of the router control. This fact shows that our algorithm is superior to the most popular AQM algorithms such as RED, PI, etc.