arxivcs.NI2026-07-21
Scalable Multi-Controller Coordination in Periplus via Border-Switch Forwarding Graphs
E. M. Castro Barbero, P. de las Heras Quirós, F. J. Simó Reigadas
In-band SDN control planes, where control traffic shares the data-plane infrastructure, suit wide-area, resource-constrained deployments -- such as rural backbones -- that cannot afford a dedicated control network. Partitioning such a network across multiple controllers improves…