Buffering issues in TCP-based services

Technical report

Leis, John W.. 2002. Buffering issues in TCP-based services. Toowoomba, Australia. University of Southern Queensland.
Title

Buffering issues in TCP-based services

Report TypeTechnical report
Authors
AuthorLeis, John W.
Institution of OriginUniversity of Southern Queensland
Number of Pages10
Year2002
PublisherUniversity of Southern Queensland
Place of PublicationToowoomba, Australia
Web Address (URL)http://www.usq.edu.au/engineering/techrep/2002/tr-2002-01.pdf
Abstract

Client-server protocols such as HTTP over a TCP transport layer may be implemented in a relatively
straightforward manner, as is often given in 'textbook' examples. Many of these examples do not scale
well to a full implementation across anything but a localhost connection with minimal data payload.
Furthermore, such implementations are invariably less than optimal in terms of performance, robustness
to differing remote client configurations, processor time utilization, and bandwidth usage. It is suggested
that the examples often given in texts are overly simplified, to the point of being misleading. In this
note, we examine some of these issues, resulting from the implementation of HTTP clients and servers using Unix (Berkeley) sockets, Windows NT (Winsock), and Java. Issues addressed include efficient send/receive buffering to minimizing kernel and user data copying, and robustness to variability in record delimiters.

Keywordssend/receive buffering, TCP, HTTP clients and servers, kernel, data copying, Unix (Berkeley) sockets, Windows NT (Winsock), Java
ANZSRC Field of Research 2020460609. Networking and communications
460612. Service oriented computing
Public Notes

File reproduced in accordance with the copyright policy of the publisher/author.

Byline AffiliationsFaculty of Engineering and Surveying
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