SIGCOMM '92 Conference proceedings on Communications architectures & protocols
Optimal buffer control during congestion in an ATM network node
IEEE/ACM Transactions on Networking (TON)
A framework for robust measurement-based admission control
IEEE/ACM Transactions on Networking (TON)
Packet optical networks for high-speed TCP-IP backbones
IEEE Communications Magazine
WASPNET: a wavelength switched packet network
IEEE Communications Magazine
IEEE Communications Magazine
Developing a cohesive traffic management strategy for ATM networks
IEEE Communications Magazine
Priority management in ATM switching nodes
IEEE Journal on Selected Areas in Communications
Effective bandwidth vectors for multiclass traffic multiplexed in partitioned buffer
IEEE Journal on Selected Areas in Communications
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Photonic packet switching faces a major challenge in providing low packet loss probability under the constraint of shallow optical buffer depth. Although improvements have been gained by exploiting the wavelength domain through the use of WDM and wavelength conversion, performance enhancement through the use of packet priorities have yet to be investigated. This paper discusses the relationship between the inter-networking unit, optical buffering, and node control necessary to apply a reactive method of traffic management to an optical packet switching node. Analytical models, supported by simulations, for the performance of photonic switching nodes supporting packets with two levels of priority are presented. Nodes with and without optical buffers are considered. Buffer sharing among packets with different priorities backed by an early-discard mechanism is studied. The possibility of matching resource to traffic type is introduced, enabling node architectures to be designed using fewer buffers and wavelengths through optical differentiated services.