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Title: Split reservation protocols using multiple wavelengths (SRPM) in dense WDM optical networks
Authors: Sengupta, Malabika
Mondal, Swapan Kumar
Saha, Debashish
Keywords: Blocking probability
Multi-wavelength reservation
Optical networks
Tavelength reservation
Issue Date: 2012
Publisher: SCOPUS
2012 4th International Conference on Communication Systems and Networks, COMSNETS 2012
Abstract: In GMPLS based WDM optical networks, a suitable signaling protocol is used to dynamically set up lightpaths. An important step, apart from routing and wavelength selection, in lightpath establishment is wavelength reservation. Protocols for wavelength reservation, as a part of signaling protocols, aim to minimize the blocking of lightpaths, which arises due to unavailability of wavelengths resulting from scarcity of wavelengths and/or collision of wavelengths. Since uni-wavelength reservation techniques attempt to reserve single wavelength, probability of blocking is more in them, compared to multi-wavelength reservation methods that scouts multiple wavelengths for reservation. In this work, we combine multi-wavelength reservation with dynamic splitting (at intermediate nodes) to propose two new protocols: Multi-wavelength Split Reservation Protocol with aggressiveness (SRPM-a) and Multi-wavelength Split Reservation Protocol with retry (SRPM-r). A comparative study with other analogous wavelength reservation protocols reveals that the proposed two protocols perform better than their peers. However, between them, SRPM-r performs considerably better than SRPM-a typically in dense WDM networks. © 2012 IEEE.
Description: Sengupta, Malabika, Department of Computer Science and Engineering, Kalyani Government Engineering College, Kalyani, India; Mondal, Swapan Kumar, Department of Computer Science and Engineering, Kalyani Government Engineering College, Kalyani, India; Saha, Debashish, IIM, Calcutta, Kolkata, India
ISSN/ISBN - 978-146730298-2
DOI - 10.1109/COMSNETS.2012.6151312
Appears in Collections:Management Information Systems

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