NDLI: Performance Evaluation and Design of Polymorphous OBS Networks With Guaranteed TDM Services

Content Provider	IEEE Xplore Digital Library
Author	Hernandez, J.A. Reviriego, P. Garcia-Dorado, J.L. Lopez, V. Larrabeiti, D. Aracil, J.
Copyright Year	1983
Abstract	In polymorphous optical burst-switched (POBS) networks, the burst control packets (BCPs) of conventional just-enough-time based signalling OBS networks are given extended properties which enable them not only to reserve fixed time-slots for asynchronous data bursts, but also to allocate TDM reservations for periodic streams of data, and even a complete wavelength for high-bandwidth demanding services. This allows POBS to provide a flexible, yet transparent, approach for supporting the idiosyncrasies of today's most popular services over the same underlying network architecture. In POBS, the spare gaps in between synchronous TDM reservations can be used for the allocation of best-effort data bursts, leading to a more efficient utilisation of the optical capacity. This work shows how to extend the well-known Erlang fixed point procedure to evaluate the performance behavior of POBS networks, whereby asynchronous data bursts coexist with high-priority periodic TDM reservations. The performance evaluation algorithm is applied to a number of case scenarios, showing the benefits arisen due to the flexibility of POBS networks.
Sponsorship	IEEE Lasers and Electro-Optics Society Optical Society of America
Starting Page	2495
Ending Page	2505
Page Count	11
File Size	1523870
File Format	PDF
ISSN	07338724
Volume Number	27
Issue Number	13
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-07-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Time division multiplexing Optical packet switching Optical fiber networks Business continuity Optical buffering Optical burst switching Bandwidth Wavelength division multiplexing Optical control TV sub-wavelength TDM reservations Erlang fixed point IP television polymorphous optical burst switching
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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