DocumentCode :
2026622
Title :
Benefits of link protection at connection granularity
Author :
Sathyamurthy, Karthikeyan ; Ramasubramanian, Srinivasan
Author_Institution :
Dept. of Electr. & Comput. Eng., Arizona Univ., Tucson, AZ, USA
fYear :
2004
fDate :
25-29 Oct. 2004
Firstpage :
300
Lastpage :
309
Abstract :
This paper develops a connection establishment framework for protecting connections against single-link failures using link protection at the granularity of a connection, referred to as connection switched link protection (CSLP). As a connection is routed only, around a failed link, the channel assignment for the connection on the backup path of the failed link must be consistent with that of the primary path. Such a consistency is guaranteed at the time of call admission. The advantages of employing link protection at the connection level is established by comparing its performance through extensive simulations against link protection at the granularity of a fiber, referred to as fiber switched link protection (FSLP). Link protection at the connection level is shown to significantly outperform that at the granularity of a fiber, specifically when some traffic requires protection while others do not.
Keywords :
optical fibre networks; telecommunication network routing; telecommunication switching; call admission; channel assignment; connection establishment framework; connection granularity; connection switched link protection; fiber switched link protection; single-link failure; Optical buffering; Optical fiber networks; Protection; Runtime; Spine; Telecommunication traffic; Traffic control; WDM networks; Wavelength division multiplexing; Wavelength routing; Dynamic routing; Link Protection; Optical networks; Traffic grooming;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Broadband Networks, 2004. BroadNets 2004. Proceedings. First International Conference on
Print_ISBN :
0-7695-2221-1
Type :
conf
DOI :
10.1109/BROADNETS.2004.18
Filename :
1363815
Link To Document :
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