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2017 | OriginalPaper | Buchkapitel

The Survey of Current IPFRR Mechanisms

verfasst von : Jozef Papán, Pavel Segeč, Peter Palúch, Ľudovít Mikuš, Marek Moravčík

Erschienen in: Proceedings of the 2015 Federated Conference on Software Development and Object Technologies

Verlag: Springer International Publishing

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Abstract

The primary idea of the IP Fast Reroute (IPFRR) technology is to reduce the network recovery time after a link or router failure within an ISP network. The key feature of existing IPFRR mechanisms for reaching low recovery time is the usage of pre-computed alternative backup paths. These alternative backup paths have to be pre-calculated before a network failure will occur.
The calculation of the alternative backup path utilizes the specific information about destination networks, and thus most of existing IPFRR mechanisms are dependent on the distance-vector routing protocols (RIP, EIGRP). Other IPFRR mechanisms requires an additional information about the network topology, and therefore strongly depend on the usage of link-state routing protocols (OSPF, IS-IS). The paper is focusing on the analysis of existing IPFRR mechanisms and is identifying and presenting theirs primary problematic areas.

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Metadaten
Titel
The Survey of Current IPFRR Mechanisms
verfasst von
Jozef Papán
Pavel Segeč
Peter Palúch
Ľudovít Mikuš
Marek Moravčík
Copyright-Jahr
2017
DOI
https://doi.org/10.1007/978-3-319-46535-7_18