WDM loop-back recovery in mesh networks

Author

Medard, Muriel ; Finn, Steven G. ; Barry, Richard A.

Author_Institution

Illinois Univ., Urbana, IL, USA

Volume

2

fYear

1999

fDate

21-25 Mar 1999

Firstpage

752

Abstract

Current means of providing loop-back recovery, which is widely used in SONET, relies on fiber-based recovery, where a fiber is used to back up another fiber. We present WDM-based loop-back recovery for optical networks where wavelengths are used to back up other wavelengths. We present two new algorithms for performing WDM-based loop-back over optical mesh networks. The first algorithm performs recovery for link failures. We compare its operation with known ways of providing loop-back recovery and show that the known methods are not applicable to WDM-based recovery. The second algorithm performs WDM loop-back recovery for node failures. We illustrate the operation of both algorithms and prove their validity. We discuss the advantages of WDM-based loop-back for flexibility in WDM service provisioning

Keywords

optical fibre networks; telecommunication network reliability; wavelength division multiplexing; WDM service provisioning; WDM-based loop-back recovery; link failures recovery; mesh networks; node failures recovery; optical mesh networks; optical networks; High speed optical techniques; Intelligent networks; Mesh networks; Optical fiber networks; SONET; Telecommunication traffic; Traffic control; WDM networks; Wavelength assignment; Wavelength division multiplexing;

fLanguage

English

Publisher

ieee

Conference_Titel

INFOCOM '99. Eighteenth Annual Joint Conference of the IEEE Computer and Communications Societies. Proceedings. IEEE

Conference_Location

New York, NY

ISSN

0743-166X

Print_ISBN

0-7803-5417-6

Type

conf

DOI

10.1109/INFCOM.1999.751462

Filename

751462