- Title:
- Traffic engineering for MPLS-based virtual private networks
- Presenter:
- Chun Tung Chou
- Date:
- September 20, 2002
- Abstract:
- This talk considers the traffic engineering of MPLS-based Virtual
Private Networks with multiple service classes. We focus on
two main issues. Firstly, we point out that the one LSP per
ingress-egress pair constraint can be relaxed for the case of
MPLS-based VPNs due to the ease in classifying flows on a per-VPN
basis. This allows us to use LSP with finer granularity and thus
better load balancing. Secondly, we point out that the single
objective traffic engineering formulations proposed in literature
address only one particular aspect of the traffic engineering
problem. In this talk, we propose a multiobjective traffic
engineering problem which takes both resource usage and link
utilisation into account. This optimisation problem is NP-complete
and involves a large number of variables. We propose an heuristic to
solve this problem and present some properties of the solution.
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