NDLI: An experimental study of TCP/IP's Van Jacobson header compression behavior in lossy space environment

Content Provider	IEEE Xplore Digital Library
Author	Ruhai Wang
Copyright Year	2004
Description	Author affiliation: Dept. of Electr. Eng., Lamar Univ., Beaumont, TX, USA (Ruhai Wang)
Abstract	There has been some work done in studying the behavior of TCP/IP's Van Jacobson header compression (VJHC) over high bit-error-rate (BER) and long delay channels such as in the space environment. However, most studies have been done based on discussing the definitions and methodologies of the scheme. There are hardly any experimental results seen in support of these discussions. This paper discusses an experimental examination of the VJHC behavior in a lossy GEO-satellite environment, simulated using a test-bed. The experimental results show that VJHC causes go-back-n retransmission behavior. When a single packet is corrupted or lost, all packets arriving after the lost or corrupted packet, up to one bandwidth-delay product's worth, are lost and need to be retransmitted. This results in performance degradation in an environment with a very high BER (around 10/sup -5/) and long link delay. In comparison, when VJHC is disabled, only the corrupted or lost packets are retransmitted, avoiding unnecessary retransmissions. This suggests that it is better to disable TCP/IP's VJHC over very lossy channels.
Starting Page	4046
Ending Page	4050
File Size	1938993
Page Count	5
File Format	PDF
ISBN	0780385217
ISSN	10903038
DOI	10.1109/VETECF.2004.1404838
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-09-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Jacobian matrices TCPIP Internet Bit error rate Testing Protocols Delay Communication channels Mobile communication Degradation
Content Type	Text
Resource Type	Article

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