SEP: Sensibility analysis of BGP convergence and scalability using network simulation Sensibility analysis Sensibility analysis of BGP convergence and of BGP convergence and scalability using scalability using network simulation network simulation Wolfgang Mühlbauer 5. Oktober 2004
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SEP: Sensibility analysis of BGP convergence and scalability using network simulation Sensibility analysis of BGP convergence and scalability using network.
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SEP: Sensibility analysis of BGP convergence and scalability using network simulation
Sensibility analysis of Sensibility analysis of BGP convergence and BGP convergence and scalability using scalability using network simulationnetwork simulation
Sensibility analysis of Sensibility analysis of BGP convergence and BGP convergence and scalability using scalability using network simulationnetwork simulation
Wolfgang Mühlbauer
5. Oktober 2004
SEP: Sensibility analysis of BGP convergence and scalability using network simulation
OutlineOutlineOutlineOutline
• Running the experiments
• Influence of MRAI timer settings on – convergence times– number of updates
• Propagation of updates– number of affected ASes– propagation radius
SEP: Sensibility analysis of BGP convergence and scalability using network simulation
SEP: Sensibility analysis of BGP convergence and scalability using network simulation
MRAI – per prefix or per MRAI – per prefix or per peerpeer
MRAI – per prefix or per MRAI – per prefix or per peerpeer
per peer per prefix
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SEP: Sensibility analysis of BGP convergence and scalability using network simulation
MRAI – per prefix or per MRAI – per prefix or per peerpeer
MRAI – per prefix or per MRAI – per prefix or per peerpeer
• used topologies: – Topology 1140– Topology 7774
• testing of 4 dimensions– 5 different failure scenarios– different MRAI timer values (4s, 5s, 10s, …, 60s)– per-peer and per-prefix timer basis– 3 different seeds for random number generator
• we measure – convergence times– number of external updates
SEP: Sensibility analysis of BGP convergence and scalability using network simulation
MRAI – per-prefix vs per-MRAI – per-prefix vs per-peerpeer
MRAI – per-prefix vs per-MRAI – per-prefix vs per-peerpeer
SEP: Sensibility analysis of BGP convergence and scalability using network simulation
OutlineOutlineOutlineOutline
• Running the experiments
• Influence of MRAI timer settings on – convergence times– number of updates
• Propagation of updates– number of affected Ases– propagation radius
SEP: Sensibility analysis of BGP convergence and scalability using network simulation