Name: draft-ietf-ippm-reordering-08
Title: Packet Reordering Metric for IPPM
State: Active
Authors: Al Morton
Group: IP Performance Metrics (ippm)
Date: 2004-12-03
This memo defines metrics to evaluate if a network has maintained packet
order on a packet-by-packet basis. It provides motivations for the new
metrics and discusses the measurement issues. The memo first defines a
reordered singleton, and then uses it as the basis for sample metrics to
quantify the extent of reordering in several useful dimensions for network
characterization or receiver design. Additional metrics quantify the
frequency of reordering and the distance between separate occurrences. We
then define a metric with purely receiver analysis orientation. Several
examples of evaluation using the various sample metrics are included. An
Appendix gives extended definitions for evaluating order with packet
fragmentation.
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