NDLI: An analytic approach to efficiently computing call blocking probabilities for multiclass WDM networks

Content Provider	ACM Digital Library
Author	Kuppuswamy, Kalyan Lee, Daniel C.
Copyright Year	2009
Abstract	For all-optical WDM networks that provide multiple classes of service, we present a methodology for computing approximate blocking probabilities of dynamic routing and wavelength assignment policies. Each service class is characterized by its resource requirements (number of wavelengths needed for a call) and expected call holding time (or subscription period). Under the wavelength continuity constraint on lightpaths and loss network formulation, we develop fixed-point approximation algorithms that compute approximate blocking probabilities of all classes. We then apply them to the random wavelength assignment policy for the following wavelength routing policies: Fixed Routing (FR), Least Loaded Routing (LLR) and Fixed Alternate Routing (FAR). Simulation results on different network topologies and routing policies considered demonstrate that the simulation results match closely with the blocking probabilities computed by our methods for different multiclass call traffic loading scenarios.
Starting Page	658
Ending Page	670
Page Count	13
File Format	PDF
ISSN	10636692
DOI	10.1109/TNET.2008.2001465
Volume Number	17
Issue Number	2
Journal	IEEE/ACM Transactions on Networking (TON)
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2009-04-01
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Blocking probability Knapsack approximation Loss networks Multiclass fixed-point approximation Optical WDM networks Performance evaluation
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Networks and Communications Software Computer Science Applications

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