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Current Topic: Computer Networking

Fast Accurate Computation of Large-Scale IP Traffic Matrices from Link Loads
Topic: Computer Networking 12:02 am EST, Dec 17, 2004

Very cool ...

A matrix giving the traffic volumes between origin and destination in a network has tremendously potential utility for network capacity planning and management.

Unfortunately, traffic matrices are generally unavailable in large operational IP networks. On the other hand, link load measurements are readily available in IP networks.

In this paper, we propose a new method for practical and rapid inference of traffic matrices in IP networks from link load measurements, augmented by readily available network and routing configuration information.

We apply and validate the method by computing backbone-router to backbone-router traffic matrices on a large operational tier-1 IP network -- a problem an order of magnitude larger than any other comparable method has tackled. The results show that the method is remarkably fast and accurate, delivering the traffic matrix in under five seconds.

Fast Accurate Computation of Large-Scale IP Traffic Matrices from Link Loads


Slides from the HIP BOF at IETF 58 [PDF]
Topic: Computer Networking 12:15 pm EST, Nov 17, 2003

Cisco and Ericsson presented these 32 slides from the BOF on the Host Identity Protocol (HIP) at the 58th IETF meeting in Minneapolis.

HIP is described as being a combination of naming, location ID, mobility, security, and multi-homing.

One slide goes so far as to call HIP "the new waist of TCP/IP."

First mover advantage, anyone?

Slides from the HIP BOF at IETF 58 [PDF]


Packet Clearing House
Topic: Computer Networking 11:04 pm EDT, Sep  3, 2002

Packet Clearing House is a non-profit research institute supporting investigation and operations in the area of Internet traffic exchange and global IP routing economics.

PCH was formed in 1994 to provide high-performance regional and local peering alternatives to the CIX and the MAE, and has grown to become the leading proponent of neutral independent peering switch-fabrics and the leading provider of free route-servers at major exchange points around the world.

Today, PCH provides knowledge, equipment, and operational support to organizations and individual researchers seeking to improve the quality, robustness, and accessibility of the Internet.

This web site could benefit from redesigned layout/navigation, but the content is useful. Browse around and read through the papers, such as "Introduction to Peering Economics."

Packet Clearing House


 
 
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