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Path setup Time analysis in GMPLS

Path setup Time analysis in GMPLS. Path Setup Time Analysis in GMPS network Abdelkader Hajjaoui Lucent Nederland NOBEL / WP4/WP8 November 22/25, 2005,. Path setup Time analysis in GMPLS. eGEM – Enhanced GMPLS Path Setup Analysis Effect of the number of nodes on the path setup time

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Path setup Time analysis in GMPLS

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  1. Path setup Time analysis in GMPLS Path Setup Time Analysis in GMPS network Abdelkader Hajjaoui Lucent Nederland NOBEL / WP4/WP8November 22/25, 2005, Bell Labs Europe

  2. Path setup Time analysis in GMPLS • eGEM – Enhanced GMPLS • Path Setup Analysis • Effect of the number of nodes on the path setup time • Scalability analysis • LSA Threshold tuning • Unprotected Implicit/explicit • 1+1 implicit Bell Labs Europe

  3. LAN Domain 2 Domain 1 Real NE (Unite) Real NE (Unite) SUN 3 SUN 4 SUN 5 SUN 1 SUN 2 Emulated NEs Emulated NEs Emulated ONNS Network Nodes TG TG4 TG4 Optical fibre CIT CIT CIT CIT CIT Traffic Supervision Graphical Network Control Bell Labs GMPLS Emulator - eGEM Bell Labs Europe

  4. LSA effect • Shows the effect of the number of nodes in path on the path setup time • Shows the effect of LSA (Link State Advertisement) flooding on the path setup time Bell Labs Europe

  5. Scalability Analysis • The path setup time is nearly linear with the number of the nodes that taking part in the route. Bell Labs Europe

  6. LSA Threshold tuning analysis • LSA of α% means that when the available link bandwidth changed by more that α %, an LSA flooding will be performed. • The mean setup time decreases exponentially for LSA 0% till LSA 20%. After that, the decrease in nearly constant. • The behaviour of the mean path setup time with regards to LSA Thresholds is nearly independent of the number of nodes Bell Labs Europe

  7. Unprotected implicit/explicit • The number of jumps in the explicit is higher than in the implicit routing. Bell Labs Europe

  8. 1+1 implicit path setup • The setup time of the first path includes the computation time of the protected path setup. Bell Labs Europe

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