Abstract
Two important factors must be considered when selecting a restoration scheme in MPLS networks. Firstly, the restoration time, and consequentially the packet latency of the restored traffic, has to satisfy the requirements of real-time services. Secondly, the spare capacity requirement should be cost-effective. This paper proposes a novel proactive restoration scheme that is both fast-acting and resource efficient, called Adaptive Segment Path Restoration (ASPR). The basic idea is to divide a LSP into several segments according to the network topology. For each segment of the primary path, a backup path is provided. A comparative study of ASPR is provided which shows that of the schemes considered, ASPR has the shortest overall restoration length and smallest backup LSP hop count, whilst remaining better than most other restoration schemes in terms of its resource requirements.
The original version of this chapter was revised: The copyright line was incorrect. This has been corrected. The Erratum to this chapter is available at DOI: 10.1007/978-0-387-35620-4_43
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© 2003 IFIP International Federation for Information Processing
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Dong, S., Phillips, C. (2003). Adaptive Segment Path Restoration (ASPR) in MPLS Networks. In: Gaïti, D., Boukhatem, N. (eds) Network Control and Engineering for QoS, Security and Mobility. NetCon 2002. IFIP — The International Federation for Information Processing, vol 107. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-35620-4_6
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DOI: https://doi.org/10.1007/978-0-387-35620-4_6
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4757-5948-8
Online ISBN: 978-0-387-35620-4
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