Graphs and algorithms
Routing and wavelength assignment in all-optical networks
IEEE/ACM Transactions on Networking (TON)
Adaptive wavelength routing in all-optical networks
IEEE/ACM Transactions on Networking (TON)
Just-in-time optical burst switching for multiwavelength networks
Broadband communications
Modeling and Analysis of Computer Communications Networks
Modeling and Analysis of Computer Communications Networks
Labeled optical burst switching for IP-over-WDM integration
IEEE Communications Magazine
Optical signal processing for optical packet switching networks
IEEE Communications Magazine
Performance analyses of optical burst-switching networks
IEEE Journal on Selected Areas in Communications
Hi-index | 0.00 |
A framework is provided for evaluation of packet delay distribution in an optical circuit-switched network. The framework is based on a fluid traffic model, packet queueing at edge routers, and circuit-switched transmission between edge routers. Packets are assigned to buffers according to their destination, delay constraint, physical route and wavelength. At every decision epoch, a subset of buffers is allocated to end-to-end circuits for transmission, where circuit holding times are based on limited and exhaustive circuit allocation policies. To ensure computational tractability, the framework approximates the evolution of each buffer independently. "Slack variables" are introduced to decouple amongst buffers in a way that the evolution of each buffer remains consistent with all other buffers in the network. The delay distribution is derived for a single buffer and an approximation is given for a network of buffers. The approximation entails finding a fixed point for the functional relation between the "slack variables" and a specific circuit allocation policy. An analysis of a specific policy, in which circuits are probabilistically allocated based on buffer size, is given as an illustrative example. The framework is shown to be in good agreement with a discrete event simulation model.