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Improving the convergence of routing protocols

Wed, 05/09/2007 - 17:36 by Olivier Bonaventure • Categories:

The ICI project, sponsored by Cisco Systems aims at developing new techniques and protocols to improve the convergence of routing protocols. Within this project, we have studied the convergence time of IS-IS in large ISP networks, proposed techniques to avoid transient loops during routing convergence of IS-IS and OSPF, proposed techniques to protect BGP peering links from failures, ...


IEEE INFOCOM Best paper award

Wed, 05/09/2007 - 17:32 by Olivier Bonaventure • Categories:

Pierre François, Mike Shand and Olivier Bonaventure received the best paper award at IEEE INFOCOM 2007 for their paper entitled Disruption-free topology reconfiguration in OSPF networks.


Interdomain routing with BGP4

Tue, 05/01/2007 - 20:47 by Damien Leroy • Categories:
Authors: 
Olivier Bonaventure
Presentation date: 
November 1, 2004
Place: 
Louvain-la-Neuve, Belgium
Language: 
English
Event: 
E-Next

Reconsidering the Internet Routing Architecture

Tue, 05/01/2007 - 20:29 by Damien Leroy • Categories:
Research project related: 
AGAVE
Authors: 
Olivier Bonaventure
Presentation date: 
March 1, 2007
Place: 
Prague, Czech Republic
Language: 
English
Event: 
IRTF meeting

C-BGP

Sat, 04/28/2007 - 16:46 by Damien Leroy • Categories:
Slogan: 
C-BGP is an efficient solver for BGP.

C-BGP is an efficient solver for BGP, the de facto standard protocol used for exchanging routing information accross domains in the Internet. BGP was initially described in RFC1771 in 1995. It has since undergone several updates recently standardized in RFC4271 (2006).

Research topic related: 
TOTEM
Our members: 
Bruno Quoitin
Licence: 
LGPL
Programming language: 
C

WiMAX

Sat, 04/28/2007 - 01:16 by Damien Leroy • Categories:

Currently, broadband wireless access is gaining a great deal of interest from the networking research community. Particularly, the recently standardized WiMAX is going to serve as a wireless extension or alternative to cable and DSL for broadband access. Particularly for end users in rural, sparsely populated areas or in areas where laying cable is difficult or expensive. WiMAX will provide a new broadband access path to Internet. But companies and communities along will benefit from WiMAX as well, if they require mobile networks that cover a wider area than Wi-Fi.


Bloom filters

Sat, 04/28/2007 - 01:14 by Damien Leroy • Categories:

The Bloom filter is a data structure that was introduced in 1970 and that has been adopted by the networking research community in the past decade thanks to the bandwidth efficiencies that it offers for the transmission of set membership information between networked hosts. A sender encodes the information into a bit vector, the Bloom filter, that is more compact than a conventional representation. Computation and space costs for construction are linear in the number of elements. The receiver uses the filter to test whether various elements are members of the set. Though the filter will occasionally return a false positive, it will never return a false negative. When creating the filter, the sender can choose its desired point in a trade-off between the false positive rate and the size.


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