Adventures in stochastic processes
Adventures in stochastic processes
Computational algorithms for blocking probabilities in circuit-switched networks
Annals of Operations Research - Special issue on stochastic modeling of telecommunication systems
Computational complexity of loss networks
Theoretical Computer Science - Special issue on probabilistic modelling
An inversion algorithm to compute blocking probabilities in loss networks with state-dependent rates
IEEE/ACM Transactions on Networking (TON)
Optical burst switching (OBS) - a new paradigm for an optical Internet
Journal of High Speed Networks - Special issue on optical networking
Nearly optimal importance sampling for Monte Carlo simulation of loss systems
ACM Transactions on Modeling and Computer Simulation (TOMACS)
ICOIN '02 Revised Papers from the International Conference on Information Networking, Wireless Communications Technologies and Network Applications-Part I
BROADNETS '04 Proceedings of the First International Conference on Broadband Networks
A performance study of an optical burst switched network with dynamic simultaneous link possession
Computer Networks: The International Journal of Computer and Telecommunications Networking - Optical networks
Labeled optical burst switching for IP-over-WDM integration
IEEE Communications Magazine
Approaches to optical Internet packet switching
IEEE Communications Magazine
Hybrid optical network architectures: bringing packets and circuits together
IEEE Communications Magazine
Performance analyses of optical burst-switching networks
IEEE Journal on Selected Areas in Communications
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In this paper we present a stochastic network model for packet-switching networks with no buffering capabilities at the nodes. This model can be directly used in the study of all-optical packet-switching (OPS) and optical burst switching (OBS) networks without fiber delay lines (FDLs). Our model provides for the first time a complete description of the dependencies arising among packets from different sources in the network. Such dependencies originate when packets from different sources share a finite number of channels for their transmission through a network link. We relate our model to well-known loss network models for circuit-switching networks and derive expressions for the packet loss probability. We briefly show how our work can be extended to model parallel hybrid optical networks, and propose some promising future lines of work. Our numerical results suggest that the well-known Erlang fixed-point approximation (EFPA) overestimates the blocking probability when compared to our model predictions. They also show that our model is scalable up to network scenarios with at least 30 links with 160 wavelength channels per link. This makes the proposed model an interesting tool for studying the dependencies arising among packets in a realistically-sized OPS/OBS network without FDLs.