NDLI: Delay-constrained Survivable Multicast Routing Problem on WDM networks

Content Provider	IEEE Xplore Digital Library
Author	Der-Rong Din Jhong-Yan Jiang
Copyright Year	2010
Description	Author affiliation: Department of Computer Science and Information Engineering, National Changhua University of Education, Taiwan, R.O.C. (Der-Rong Din; Jhong-Yan Jiang)
Abstract	In WDM network, a link failure may cause service disruption and may lead to significant information loss. Especially, when the failed link is on a light-tree that carries traffic to multiple destinations, the traffic to all the downstream destinations along the failed link will be affected. Moreover, for a multicast request, the delay bound associated with it can be decided according to the emergence degree or priority of the data. Transmitted data with delay bound reflects the realistic demand in the future. For a given multicast request with delay bound, a delay-constrained survivable multicast protection provides the primary tree and a set of spare resources; when the single-link failure occurs, the pre-configured spare resources can be used to construct a new multicast tree under the delay constraint. In this paper, given a multicast request with delay constraint, the goal is to allocate the delay-constrained primary multicast tree and protecting span p-cycles, when the single-link failure occurs, the multicast tree can be recovered by using protecting p-cycles such that the backup tree can also satisfy the delay constraint. This problem is defined as the Delay-Constrained Survivable Multicast Routing Problem (DCSMRP). The span p-cycles protection scheme is studied in this paper and a heuristic method Delay Constrained Span p-cycles Protection (DCSP) is proposed to solve $it.^{1}$
Starting Page	1
Ending Page	5
File Size	458675
Page Count	5
File Format	PDF
e-ISBN	9780984589333
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-08-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	ICST
Subject Keyword	WDM Heuristic algorithms WDM networks Optical fiber networks Routing p-cycles delay-constrained survivability multicast routing Delay
Content Type	Text
Resource Type	Article

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