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Performance evaluation of TCP-Reno, TCP-Newreno and TCP-Westwood on burstification in an OBS network

Content Provider	IEEE Xplore Digital Library
Author	Ratna Pavani, K. Sreenath, N.
Copyright Year	2012
Description	Author affiliation: Dept. of Comput. Sci., Indira Gandhi Coll. of Arts & Sci., Puducherry, India (Ratna Pavani, K.) \|\| Dept. of Comput. Sci. & Eng., Pondicherry Eng. Coll., Pondicherry, India (Sreenath, N.)
Abstract	In a TCP/OBS network the burst is formed with TCP data aggregated at the ingress node based on time dependent mechanism or quantity dependent mechanism. In the former scheme the size of the burst is dependent on the time allotted for burstification, where as in the latter one the burst is formed with a precise amount of data. Hence time is not a major constraint in quantity based mechanism for formation of burst. When the type of data sent is non-real-time and if TCP sender is slow, when Quantity based mechanism is preferred, TCP source may not generate data since the time of burstification is long and the data generated by TCP is waiting for burstification. This impediment in aggregation of data is due to delay in formation of data by the TCP source. As a result, burstification cannot be done at a time and OBS edge node is compelled to wait for completion of burstification process. The delay caused due to burstification at the ingress node may influence the performance of TCP variants as it influence the calculation of RTT and consequently size of the congestion window. In this backdrop an experimental study was made to compare the performance of TCP variants like TCP-Reno, TCP-Newreno and TCP-Westwood using Network simulator NS-2.
Sponsorship	Comput. Soc.
Starting Page	19
Ending Page	24
File Size	568147
Page Count	6
File Format	PDF
ISBN	9781479908028
e-ISBN	9781479908011
DOI	10.1109/ADCOM.2012.6563579
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-12-14
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical filters Optical fibers Optical switches TCP-Newreno Optical buffering Optical attenuators Optical fiber networks Network Simulator version-2 (NS-2) TCP-Reno TCP-Westwood Transmission Control Protocol (TCP) Optical Burst Switching (OBS) Network
Content Type	Text
Resource Type	Article

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