International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Open Access | Fully Refereed | Peer Reviewed

ISSN: 2319-7064


Downloads: 106

M.Tech / M.E / PhD Thesis | Electronics & Communication Engineering | India | Volume 3 Issue 11, November 2014


Survivability with P-Cycle in WDM Networks

K. Aparna, P. Ramya Krishna


Abstract: - In this paper we discuss about the Pre-Configured survivability schemes. Network survivability is the ability to provide services during failures, which is an essential issue for telecommunication networks, which becomes more and more crucial with the emergence of the advanced fiber telecommunication techniques. With the support of Wavelength Division Multiplexing (WDM) technique, optical communication systems integrate huge amount of traffic data onto a single fiber. In optical networks the failures can be of two types, component failure and fiber cuts. In WDM networks, failure of a network element may cause failure of several optical channels leading to large data loss which can interrupt communication services. Therefore, measures should be taken for the network failure restoration and methods should be explored to design highly reliable networks. The P-Cycle became an effective technique for recovery in mesh networks because P-Cycle having the combined benefits of ring like speed recovery and mesh like capacity efficiency. In this we discuss algorithms for shortest path routing, wavelength assignment and BFS, DFS methods to select fundamental cycles. One or more fundamental cycles are joined to form a candidate P- Cycle. This paper describes a new optimization model which reduces the redundancy and improves the capacity utilization compared to SBPP. The P-Cycle survivability is more capacity efficient, failure independent and very fast restoration compared to other techniques.


Keywords: BFS Breadth First Search, DFS Depth First search, P-Cycle, Survivability, Restoration, Shared-Backup Path Protection SBPP, Shortest Path Routing, Wavelength Assignment, Protection


Edition: Volume 3 Issue 11, November 2014,


Pages: 2477 - 2482


How to Cite this Article?

K. Aparna, P. Ramya Krishna, "Survivability with P-Cycle in WDM Networks", International Journal of Science and Research (IJSR), https://www.ijsr.net/get_abstract.php?paper_id=OCT141540, Volume 3 Issue 11, November 2014, 2477 - 2482

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