[Nets-seminars] Seminar today in UCL electronic engineering

[Richard G. Clegg]

Today (29th November 2013) we have a seminar in GS/102 (66-72 gower 
street).  Our speaker is Nikola Gvozdiev from UCL computer science. The 
talk begins at 16:00.

Policy based routing with Polly

"Policy mechanisms in use today are mostly confined to the inter-AS 
routing space. Even though people actively use basic mechanisms such as 
link metrics, MPLS tunnels and, more recently, SDN techniques to alter 
intra-AS routing behavior, there is no general way of expressing routing 
policy that brings all these building blocks together. In this work we 
examine the intra-AS routing problem from first principles. We propose 
Polly, a general framework that can be used by a network operator to 
express policy in a natural and easy-to-use way that is agnostic of the 
underlying implementation.

Polly takes a different approach to previous efforts by casting the 
problem of intra-domain policy routing as filtering the set of all 
possible paths in the network down to the set of policy-compliant paths. 
For policies for which optimal routes cannot be computed in polynomial 
time Polly uses a suitable approximation scheme."

-- 
Richard G. Clegg,
Dept of Elec. Eng.,
University College London
http://www.richardclegg.org/