Challenges faced by operators SummaryEvaluationArchitecture Motivation
Challenges faced by operators 4 Controllers Overload or Inefficient Resource Utilization Increases flow setup latency State Storage and Access Static switch assignment SummaryEvaluationArchitecture Motivation Load shifts
Pratyaastha - Architecture SummaryEvaluation Architecture Motivation Joint optimization of Inter-controller communication and Resource consumption
Pratyaastha - Architecture Application state SummaryEvaluation Architecture Motivation AS1AS2AS3AS4 Flow arrival rate VM configurations Controller assignment algorithm AI – Hill Climbing with simulated annealing
Pratyaastha - Architecture Application state SummaryEvaluation Architecture Motivation AS1AS2AS3AS4 Flow arrival rate VM configurations Controller assignment algorithm AI – Hill Climbing with simulated annealing Scaling and Migration P1P2P3P4
Evaluation 8 Topology and traffic from a private datacenter 33% and 42% decrease in cost when compared with ‘Local CPU + Mem’ and ‘CPU only’ respectively 44% decrease in flow-setup latency Summary Evaluation ArchitectureMotivation
Summary Novel assignment of application state partitions and switches to controller instances Minimizes flow setup latency Minimizes controller operating costs 9 Praytaastha: An Efficient Elastic Distributed SDN Control Plane Summary EvaluationArchitectureMotivation
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