[rfc-dist] RFC 4737 on Packet Reordering Metrics
rfc-editor at rfc-editor.org
Tue Nov 28 15:01:17 PST 2006
A new Request for Comments is now available in online RFC libraries.
Title: Packet Reordering Metrics
Author: A. Morton, L. Ciavattone,
G. Ramachandran, S. Shalunov,
Status: Standards Track
Date: November 2006
Mailbox: acmorton at att.com,
lencia at att.com,
gomathi at att.com, shalunov at internet2.edu,
jperser at veriwave.com
I-D Tag: draft-ietf-ippm-reordering-13.txt
This memo defines metrics to evaluate whether 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 assessment of reordering effects on TCP. Several
examples of evaluation using the various sample metrics are
included. An appendix gives extended definitions for evaluating
order with packet fragmentation. [STANDARDS TRACK]
This document is a product of the IP Performance Metrics
Working Group of the IETF
This is now a Proposed Standard Protocol.
STANDARDS TRACK: This document specifies an Internet standards track
protocol for the Internet community,and requests discussion and suggestions
for improvements.Please refer to the current edition of the Internet
Official Protocol Standards (STD 1) for the standardization state and
status of this protocol. Distribution of this memo is unlimited.
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