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Study of re-provisioning mechanism for dynamic traffic in WDM optical networks

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2 Author(s)
Chen-Shie Ho ; Dept. of Healthcare Adm., Oriental Inst. of Technol., Taipei ; Chang Woei

In centralized-controlled WDM network, the traffic request arrived at the control node will be blocked if the lightpath is failed to be established, and the blocked request will not be issued afterward. In this paper we consider the second time successful ratio of provisioning for the requests which are blocked in first try phase. By recording the minimum shared resource in the wavelength-link table used for survivable routing, the second-tried traffic will have larger successful opportunity to be established. The mechanisms to implement such strategy will be proposed and the performance improvement will be verified by conducted simulations under several assumptions.

Published in:

Advanced Communication Technology, 2008. ICACT 2008. 10th International Conference on  (Volume:1 )

Date of Conference:

17-20 Feb. 2008