Loss Analysis of Multiple Service Classes in Shared-per-Wavelength Optical Packet Switches
Management of quality of service in optical packet switches equipped with fixed input, tunable output wavelength converters is described. This kind of switch is considered with the aim to keep switch cost low by employing simple shared optical components and low-complexity space switching matrices....
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| Veröffentlicht in: | Journal of optical communications and networking 2009-07, Vol.1 (2), p.A69-A80 |
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| container_end_page | A80 |
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| container_issue | 2 |
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| container_title | Journal of optical communications and networking |
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| creator | Cianfrani, A. Eramo, V. Germoni, A. Raffaelli, C. Savi, M. |
| description | Management of quality of service in optical packet switches equipped with fixed input, tunable output wavelength converters is described. This kind of switch is considered with the aim to keep switch cost low by employing simple shared optical components and low-complexity space switching matrices. In particular, differentiation among classes of service in terms of loss performance for bufferless switches is addressed. The functionalities described refer to the high-speed multiservice networking context foreseeable for the future Internet. A switch control algorithm to manage service classes in a slotted multiplexing context is described. An analytical model to evaluate the loss probability of each class is developed and validated against a simulation and is used to prove the effectiveness of the quality-of-service approach. Numerical results show that the proposed scheme achieves basic class isolation as needed in core network optical packet switches. |
| doi_str_mv | 10.1364/JOCN.1.000A69 |
| format | Article |
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| issn | 1943-0620 1943-0639 |
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| source | IEEE Xplore |
| subjects | All-optical networks Analytical models Computer simulation Contention resolution Costs Internet Mathematical analysis Mathematical models Matrices Matrix converters Networks Optical communications Optical devices Optical losses Optical packet switching Optical switches Optical wavelength conversion packet packet-switched Performance evaluation Quality management Quality of service Switches Switching Switching theory Wavelength converter |
| title | Loss Analysis of Multiple Service Classes in Shared-per-Wavelength Optical Packet Switches |
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