NDLI: Study on the problem of routing, wavelength, and time-slot assignment towards optical time-slot switching technology

Content Provider	Springer Nature Link
Author	Shan, Guangjun Zhu, Guangxi Liu, Deming
Copyright Year	2011
Abstract	Conventional optical burst switching (OBS) is incapable of providing connection-oriented service, and burst loss is more likely to occur with increasing of traffic load due to its inherent architecture where the burst size is variable. In this paper, we propose and evaluate the optical time-slot switching technology, in which the fixed-size time-slot is adopted as the basic switching granularity, and switching is done in the time domain, rather than the wavelength domain. Also, we prove that time-slot switching has an equivalent function to eliminate data conflict relative to wavelength converter. Subsequently, the routing, wavelength, and time-slot assignment problem is studied in this paper. An adaptive weight function is introduced to the routing and wavelength selection algorithm, then several useful approaches, such as the train approach, wagon approach and p-distribution approach, are presented for time-slot assignment and scheduling. The results show that our scheme can perform better than conventional OBS in the aspect of blocking performance, quality of service, and class of service.
Starting Page	162
Ending Page	171
Page Count	10
File Format	PDF
ISSN	1387974X
Journal	Photonic Network Communications
Volume Number	22
Issue Number	2
e-ISSN	15728188
Language	English
Publisher	Springer US
Publisher Date	2011-06-29
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Optical burst switching (OBS) Optical time-slot switching (OTS) Quality of service Blocking probability Routing, wavelength, and time-slot assignment (RWTA) Computer Communication Networks Electrical Engineering Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Computer Networks and Communications Electrical and Electronic Engineering Hardware and Architecture Software

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