Abstract

SummaryNetwork convergence is an important aspect in networks because it can limit the damage resulting from network failures and changes. Consequently, a lot of research considered comparing the performance of different routing protocols, whether in IP or SDN, to assess their convergence speed and reaction to failures. We previously modeled OSPF vs SDN networks in general network deployments and studied their comparative convergence delays for different network conditions. However, the type of network and the architecture choices also affect performance. Consequently in this paper, we model network convergence for two network architectures, datacenters and WANs, to discern the difference in SDN and IP convergence processes and speeds when the network type and characteristics change.

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