Scipediacontent: Scipediacontent moved page Draft Content 994876697 to Melon et al 2003a

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Scipediacontent moved page Draft Content 994876697 to Melon et al 2003a

Scipediacontent: Created page with " == Abstract == This paper focuses on the protection of virtual circuits (Label Switched Paths, LSPs) in a (G)MPLS (Generalised Multi-Protocol Label Switching) network. The p..."

2021-02-03T18:29:05Z

Created page with " == Abstract == This paper focuses on the protection of virtual circuits (Label Switched Paths, LSPs) in a (G)MPLS (Generalised Multi-Protocol Label Switching) network. The p..."

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== Abstract ==

This paper focuses on the protection of virtual circuits (Label Switched Paths, LSPs) in a (G)MPLS (Generalised Multi-Protocol Label Switching) network. The proposed algorithm is designed to protect traffic with strong delay requirements such as EF (Expedited Forwarding) ordered aggregates in a DiffServ domain. For this type of application endto- end recovery schemes are usually considered to be far too slow. Local, fast-rerouting is the only solution which can compete with restoration times offered by SONET self-healing ring. However local restoration has a cost in terms of extra bandwidth consumed for the backup paths. Our scheme thus includes a sophisticated resource aggregation mechanism based on the concepts of "backup-backup aggregation" and "backupprimary aggregation". The path selection algorithm is also designed to efficiently reduce the resource usage. Moreover, when considering LSPs at different preemption levels, our algorithm is able to correctly calculate the amount of bandwidth that can be preempted despite the sharing of resource. We show that our approach, though local, can compete with the state-of-theart end-to-end recovery schemes in terms of resource reservation. The major contribution of our scheme, the "backup-primary aggregation", was then also used in the context of end-to-end recovery and improved its performance substantially. Peer reviewed

== Original document ==

The different versions of the original document can be found in:

* [https://orbi.uliege.be/bitstream/2268/3447/1/LM-ICT2003.pdf https://orbi.uliege.be/bitstream/2268/3447/1/LM-ICT2003.pdf]

* [https://orbi.uliege.be/handle/2268/3447 https://orbi.uliege.be/handle/2268/3447]

* [http://suraj.lums.edu.pk/~te/cspf/cspf32.pdf http://suraj.lums.edu.pk/~te/cspf/cspf32.pdf],
: [https://ieeexplore.ieee.org/document/1191564 https://ieeexplore.ieee.org/document/1191564],
: [http://ieeexplore.ieee.org/document/1191564 http://ieeexplore.ieee.org/document/1191564],
: [https://orbi.uliege.be/handle/2268/3447 https://orbi.uliege.be/handle/2268/3447],
: [https://academic.microsoft.com/#/detail/2097995159 https://academic.microsoft.com/#/detail/2097995159]

* [http://xplorestaging.ieee.org/ielx5/8474/26705/01191564.pdf?arnumber=1191564 http://xplorestaging.ieee.org/ielx5/8474/26705/01191564.pdf?arnumber=1191564],
: [http://dx.doi.org/10.1109/ictel.2003.1191564 http://dx.doi.org/10.1109/ictel.2003.1191564]

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Melon et al 2003a - Revision history

Scipediacontent: Scipediacontent moved page Draft Content 994876697 to Melon et al 2003a

Scipediacontent: Created page with " == Abstract == This paper focuses on the protection of virtual circuits (Label Switched Paths, LSPs) in a (G)MPLS (Generalised Multi-Protocol Label Switching) network. The p..."