A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Active Queue Management and Packet Scheduling Working Group of the IETF.
Title : PIE: A Lightweight Control Scheme To Address the Bufferbloat Problem
Authors : Rong Pan
Preethi Natarajan
Fred Baker
Filename : draft-ietf-aqm-pie-02.txt
Pages : 24
Date : 2015-08-10
Abstract:
Bufferbloat is a phenomenon where excess buffers in the network cause
high latency and jitter. As more and more interactive applications
(e.g. voice over IP, real time video streaming and financial
transactions) run in the Internet, high latency and jitter degrade
application performance. There is a pressing need to design
intelligent queue management schemes that can control latency and
jitter; and hence provide desirable quality of service to users.
This document presents a lightweight active queue management design,
called PIE (Proportional Integral controller Enhanced), that can
effectively control the average queueing latency to a target value.
Simulation results, theoretical analysis and Linux testbed results
have shown that PIE can ensure low latency and achieve high link
utilization under various congestion situations. The design does not
require per-packet timestamp, so it incurs very small overhead and is
simple enough to implement in both hardware and software.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-aqm-pie/
There's also a htmlized version available at:
https://tools.ietf.org/html/draft-ietf-aqm-pie-02
A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-aqm-pie-02
Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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