The IP Networking Lab (INL) of the Departement of Computing Science and Engineering at Université catholique de Louvain(UCL) in Louvain-la-Neuve, Belgium gathers about ten researchers, both PhD students and postdocs.

Today, IP networks are mainly used for data communications and Internet access. Within the next five years, it can be expected that IP networks will also be used to carry other more stringent applications such as telephony, IP TV, ... The INL is actively working on scalable tools, techniques and protocols to allow IP network operators to better support such demanding applications in an Internet that will grow by several orders of magnitude.

The INL has strong commitment to both applied and academic research. We collaborate with other research groups in Belgium and abroad, network manufacturers and network operators. We also contribute to standards within the IETF and IRTF.


IPv6 Segment Routing in the Linux kernel

Tue, 11/14/2017 - 13:03 by Olivier Bonaventure • Categories:

The implementation of IPv6 Segment Routing that David Lebrun wrote during his Ph.D. thesis is included in version 4.14 of the Linux kernel that is now publicly available. Another example of successful technology transfer.

High impact research from the IP Networking Lab

Sat, 11/12/2016 - 00:14 by Olivier Bonaventure • Categories:

How to measure the impact of the research conducted in a university lab ? There are many metrics that could be used, funding bodies have a tendency to look at quantitative metrics such as number of publications, number of citations, ... Within the IP Networking Lab, our main objective is to perform good and useful work. Some of this work has been recognised with prestigious awards :

Best paper award at SIGCOMM'15

Mon, 08/24/2015 - 18:44 by Olivier Bonaventure • Categories:

Stefano Vissicchio and Olivier Tilmans, together with their co-authors, Laurent Vanbever (ETH Zurich) and Jennifer Rexford (Princeton University) have received the best paper award at SIGCOMM 2015 for their paper entitled Central Control Over Distributed Routing that demonstrates how it is possible to efficiently construct SDN-like paths in a traditional network running OSPF.

Multipath TCP tutorial at IETF

Fri, 09/20/2013 - 18:40 by Olivier Bonaventure • Categories:

The Multipath TCP tutorial at IETF was recorded. You can follow it from

Multipath TCP : the google tech talk

Mon, 06/04/2012 - 22:41 by Olivier Bonaventure • Categories:

One month ago, Costin Raiciu and Christoph Paasch presented a google tech talk on Multipath TCP. You can now see at it

Multipath TCP receives USENIX NSDI community award

Tue, 05/01/2012 - 19:47 by Olivier Bonaventure • Categories:

The article How Hard Can It Be? Designing and Implementing a Deployable
Multipath TCP
written by Costin Raiciu (PUB), Christoph Paasch (UCL/ICTEAM), Sébastien

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