A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IP Performance Metrics Working Group of the IETF.
Title : Packet Reordering Metric for IPPM
Author(s) : A. Morton, et al.
Filename : draft-ietf-ippm-reordering-10.txt
Pages : 38
Date : 2005-6-21
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, including
the context information required for all metrics. 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
oriented toward reordering affects on TCP. 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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