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A novel approach for ensuring high end-to-end availability: The spine concept

Gomes, T and Tipper, D and Alashaikh, A (2014) A novel approach for ensuring high end-to-end availability: The spine concept. In: UNSPECIFIED UNSPECIFIED. ISBN 9781479940097

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Abstract

Telecommunications networks need to guarantee that all node pairs involved in critical service communications are highly available. Typically only a small fraction of traffic and users needs high levels of availability but this traffic often drives the network design to over engineering. In this paper we adopt a novel approach to the problem of how to provide high levels of availability in an efficient manner. The basic idea is to embed a high availability set of links and nodes (termed the spine) in the network topology and leverage protection and routing to provide differentiated classes of resilience with varying levels of availability. In this paper we first explore the spine concept through a simple example illustrating the potential benefits of the approach. Then we study how the structural properties of a network topology can be used to determine heuristics to select a suitable spine and compare this with the case where all network components have the same availability. This is followed by a numerical based study comparing the heuristics with all possible spanning tree based spines for sample topologies. Our results are a step along the path of how to best design a physical network to support protection methods in achieving high levels of availability cost efficiently. © 2014 IEEE.

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Details

Item Type: Book Section
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Gomes, T
Tipper, Ddtipper@pitt.eduDTIPPER0000-0002-9429-6425
Alashaikh, A
Date: 1 January 2014
Date Type: Publication
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
Journal or Publication Title: DRCN 2014 - Proceedings, 10th International Conference on Design of Reliable Communication Networks
Event Type: Conference
DOI or Unique Handle: 10.1109/drcn.2014.6816142
Institution: University of Pittsburgh
Schools and Programs: School of Information Sciences > Telecommunications
Refereed: Yes
ISBN: 9781479940097
Date Deposited: 30 Jun 2014 17:04
Last Modified: 03 Jun 2019 14:55
URI: http://d-scholarship.pitt.edu/id/eprint/22039

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