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A dynamic algorithm for stabilising LEDBAT congestion window

conference contribution
posted on 17.08.2018, 00:00 by AJ Abu, Steven GordonSteven Gordon
Low Extra Delay Background Transport (LEDBAT) is a delay-based Internet congestion control mechanism developed to allow fair and efficient data transfer when delay-sensitive and file sharing applications co-exist in networks. A LEDBAT source increases its congestion window until a fixed, pre-defined target queue delay is experienced. This paper analyses LEDBAT congestion control showing that the current algorithm, although quickly reaching a steady state (i.e. target delay reached), results in large oscillations of congestion window and queue delay once in steady state. We therefore propose a dynamic calculation of the congestion window gain once in steady state, and show that the proposed modification stabilises the congestion window while still meeting the fairness and efficiency goals of LEDBAT.

History

Start Page

157

End Page

161

Number of Pages

5

Start Date

23/04/2010

Finish Date

25/04/2010

ISBN-13

9780769540429

Location

Bangkok, Thailand

Publisher

IEEE

Place of Publication

Piscataway, NJ

Peer Reviewed

Yes

Open Access

No

Era Eligible

Yes

Name of Conference

Second International Conference on Computer and Network Technology (ICCNT 2010)