Impact of heterogeneous packet sizes on flow fairness

Authors:
Jari Nieminen;Jouni Karvo;Pasi Lassila;Markus Peuhkuri
Affiliations:
Department of Communications and Networking, Helsinki University of Technology;Department of Communications and Networking, Helsinki University of Technology;Department of Communications and Networking, Helsinki University of Technology;Department of Communications and Networking, Helsinki University of Technology
Venue:
ICT'09 Proceedings of the 16th international conference on Telecommunications
Year:
2009

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Abstract

We analyze the fairness of bandwidth sharing between competing flows when the flows use different packet sizes. For systems where router buffers are defined in packets, we notice that larger packets get preferential treatment. Specifically, in networks, where a higher capacity link is followed by a lower capacity link, packet loss seen by streams with bigger packet size is smaller. We verify our findings by simulating both UDP and TCP traffic in ns2.