NDLI: Are Smaller Packets Less Likely to Be Lost?

Content Provider	IEEE Xplore Digital Library
Author	Sommers, J. Omwando, V. Sisenda, F.
Copyright Year	2009
Abstract	Despite growth in internet link capacities and the efforts of traffic engineers, packet loss continues to be a reality in today's internet. While many tools for {\em active measurement} of packet loss have been developed over the years, applying these tools to a particular operational network context in order to most accurately estimate loss characteristics has remained a challenge. In this paper we examine the problem of selecting a probe packet size for active loss measurement. Prior work has used either small ({\em e.g.}, 40 byte) packets in order to minimize probing bandwidth, or larger ({\em e.g.}, 1000 byte) packets in order to increase the likelihood that a probe will be lost if congestion is taking place along a path. We examine these rules of thumb in a systematic way through a series of controlled laboratory experiments. We find that a--perhaps {\em the}--key system parameter is whether network queue limits are specified in terms of packets or bytes. Our results suggest that if queue limits are specified in terms of packets, there may be no clear optimal probe packet size that yields the most accurate results. On the other hand, if queue limits are specified in bytes, a packet size chosen based on the average packet size of aggregate background traffic leads to the most accurate loss average estimate.
Starting Page	124
Ending Page	129
File Size	215625
Page Count	6
File Format	PDF
ISBN	9781424438396
DOI	10.1109/ICIMP.2009.27
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-24
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Thumb Telecommunication traffic Loss Probes Size measurement Control systems Loss measurement Active Network Measurement Packet Size Packet Loss Bandwidth Traffic control Particle measurements Internet Probes
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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