ETRI Journal

Electronics and Telecommunications Research Institute (한국전자통신연구원)
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Pre-reservation of Resources and Controlled Loops for Contention Resolution in OBS Networks

  • Comellas, Jaume (Department of Signal Theory and Communications, Universitat Politecnica de Catalunya) ;
  • Conesa, Josep (Department of Signal Theory and Communications, Universitat Politecnica de Catalunya) ;
  • Padaro, Salvatore (Department of Signal Theory and Communications, Universitat Politecnica de Catalunya) ;
  • Junyent, Gabriel (Department of Signal Theory and Communications, Universitat Politecnica de Catalunya)
  • Received : 2007.03.07
  • Published : 2007.10.31
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Abstract

A new scheme to alleviate contention in optical burst switching networks is proposed. It consists of preventively reserving resources in a node, to be used if resources are busy on the next hop node. The burst is sent back to the preceding node and then resent forward. Simulations are carried out to assess the feasibility of the proposed scheme. Its performance is compared with that of contention resolution based on deflection routing.

Keywords