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Bandwidth Sharing with Primary Paths for Protection Routing in an MPLS Network

8 years 11 months ago
Bandwidth Sharing with Primary Paths for Protection Routing in an MPLS Network
Abstract— In label-switched networks such as MPLS, protection routing involves computing and setting up the backup paths at the same time when the primary paths are routed. It has previously been shown that two or more backup paths may share bandwidth along common links if such backup paths will never be activated simultaneously. Such sharing between the backup paths leads to reduced bandwidth reservations and, hence improved performance in terms of number of path requests that can be accommodated on the network [1], [2]. We present a novel idea that backup paths may also share bandwidth with certain primary paths, thereby further reducing the overall bandwidth reservations on the network. This results in even more path requests being accommodated on the network. Sharing with primary paths is possible with any protection routing framework. To demonstrate this sharing, we use the NPP protection routing framework as an example [1]. We provide the enhancements to the NPP framework neede...
Faisal Aslam, Saqib Raza, Zartash Afzal Uzmi, Youn
Added 11 Jun 2010
Updated 11 Jun 2010
Type Conference
Year 2006
Where INFOCOM
Authors Faisal Aslam, Saqib Raza, Zartash Afzal Uzmi, Young-Chon Kim
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