DocumentCode :
2450521
Title :
Routing and wavelength assignment methods in single-hop all-optical networks with blocking
Author :
Birman, A. ; Kershenbaum, A.
Author_Institution :
IBM Thomas J. Watson Res. Center, Yorktown Heights, NY, USA
fYear :
1995
fDate :
2-6 Apr 1995
Firstpage :
431
Abstract :
We consider single-hop all-optical networks in which wavelength-routed connections (lightpaths) between source-destination pairs are dynamically established and torn down in response to a random pattern of arriving connection requests and connection holding times. A connection request may be blocked if no wavelength is available on a suitable path from source to destination. For these networks we consider several methods for routing and wavelength assignment which combine in various ways three main principles: wavelength reservation, protecting threshold and alternate routes. The methods are evaluated and compared in two case studies. In this type of network the traffic over lightpaths consisting of multiple links is susceptible to high blocking probabilities, which can interfere with the quality of service requirements. It is shown that some of the routing and wavelength assignment methods studied have the potential to overcome this difficulty
Keywords :
optical fibre networks; optical links; probability; telecommunication network routing; wavelength division multiplexing; alternate routes; arriving connection requests; blocking; connection holding times; high blocking probabilities; lightpaths; protecting threshold; quality of service; random pattern; routing; single-hop all-optical networks; source-destination pairs; wavelength assignment methods; wavelength reservation; All-optical networks; Costs; Intelligent networks; Network topology; Optical buffering; Optical wavelength conversion; Protection; Switching circuits; Wavelength assignment; Wavelength routing;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
INFOCOM '95. Fourteenth Annual Joint Conference of the IEEE Computer and Communications Societies. Bringing Information to People. Proceedings. IEEE
Conference_Location :
Boston, MA
ISSN :
0743-166X
Print_ISBN :
0-8186-6990-X
Type :
conf
DOI :
10.1109/INFCOM.1995.515906
Filename :
515906
Link To Document :
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