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[ NNSquad ] [IP] BITAG publishes report on Congestion Management

----- Forwarded message from David Farber <dave@farber.net> -----

Date: Tue, 22 Oct 2013 13:01:54 -0400
From: David Farber <dave@farber.net>
Subject: [IP] BITAG publishes report on Congestion Management
Reply-To: dave@farber.net
To: ip <ip@listbox.com>

Begin forwarded message:

From: "Kaleb A. Sieh" <ksieh@bitag.org>
Subject: For IP - BITAG publishes report on Congestion Management
Date: October 22, 2013 12:50:51 PM EDT
To: David Farber <dave@farber.net>

Dave, for IP if you wish. 


Kaleb A. Sieh
Deputy Director
Broadband Internet Technical Advisory Group (BITAG)

Today, the Broadband Internet Technical Advisory Group (“BITAG”) announced the publication of its technical report on the subject of Congestion Management. Attached here is the press release, which includes the report's executive summary. Below is a brief summary of the report's recommendations and the full report itself can be found at: http://www.bitag.org/documents/BITAG_-_Congestion_Management_Report.pdf. 
Brief Summary. Every link and router in the various networks that make up the Internet has a limit on its capacity to handle data. When aggregate user demand at any point in time exceeds the capacity of a link or router, the result is congestion, which can degrade performance. Choices made by a variety parties, including ISPs, ASPs, and CDNs may alleviate or exacerbate congestion on both their own networks and others carrying their traffic.

The report describes how network resources are allocated on a short time scale in order to, among other objectives, manage congestion on the network, and how such congestion management impacts applications and users. The report also recommends best practices regarding congestion management and network resource management. Among other things, the report recommends that:

Internet Service Providers (ISPs) and Application Service Providers (ASPs) should disclose information about their user- or application- based network management and congestion management practices for Internet services in a manner that is readily accessible to the general public.

Network operators should use accepted industry "Best Practices," standardized practices, or seek industry review of practices.

When engaging in a congestion management practice that could have a detrimental impact on the traffic of certain users or certain applications, the practice should be designed to minimize that impact.

If application-based congestion management practices are used, those based on a user’s expressed preferences are preferred over those that are not.

If application-based criteria are used by a network operator, they should be tested prior to deployment and on an ongoing basis.

ASPs and Content Delivery Networks (CDNs) should implement efficient and adaptive network resource management practices.
Scott Jordan, Professor of Computer Science at the University of California-Irvine, and Fred Baker, Cisco Fellow, were the lead editors of the report. Douglas Sicker, Executive Director of BITAG, Chair of BITAG’s Technical Working Group and Endowed Professor of Computer Science at the University of Colorado Boulder, chaired the review.

About BITAG. BITAG is a non-profit, multi-stakeholder organization focused on bringing together engineers and technologists in a Technical Working Group (TWG) to develop consensus on broadband network management practices and other related technical issues that can affect users’ Internet experience, including the impact to and from applications, content and devices that utilize the Internet.

Questions or Comments? BITAG welcomes any questions, comments or suggestions. Please contact BITAG's Deputy Director Kaleb Sieh at ksieh@bitag.org.


Douglas C. Sicker
Executive Director
Chair of the Technical Working Group
Broadband Internet Technical Advisory Group (BITAG)
Office: (303) 720-7351
Fax: (303) 593-7335

----- End forwarded message -----

Lauren Weinstein (lauren@vortex.com): http://www.vortex.com/lauren 
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