Computing approximate blocking probabilities for large loss networks with state-dependent routing
IEEE/ACM Transactions on Networking (TON)
Multiservice Loss Models for Broadband Telecommunication Networks
Multiservice Loss Models for Broadband Telecommunication Networks
Simulation Modeling and Analysis
Simulation Modeling and Analysis
Performance of Alternate Routing Methods in All--Optical Switching Networks
INFOCOM '97 Proceedings of the INFOCOM '97. Sixteenth Annual Joint Conference of the IEEE Computer and Communications Societies. Driving the Information Revolution
Computing approximate blocking probabilities for a class of all-optical networks
IEEE Journal on Selected Areas in Communications
IEEE/ACM Transactions on Networking (TON)
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We propose an approximation method for performance analysis of large-scale optical WDM networks (comprising multiple interconnected optical WDM networks) that offer multiclass services. In such networks, lightpaths are dynamically set up and terminated between source and destination nodes in order to serve calls in various service classes, and these lightpaths traverse through a number of interconnected optical WDM networks that may be in different administrative domains. Each service class is characterized by its resource requirements (number of wavelengths needed for a call) and expected call holding time (or subscription period). We model the large-scale optical network as a two-level hierarchical multiclass loss network; the lower level of hierarchy consists of individual optical WDM networks (network segments). Each network segment is abstracted to a logical node at the higher level of hierarchy, and these logical nodes are connected through logical links. Then, we present a methodology of approximately computing per class end-to-end approximate blocking probabilities.