SDN based Provisioning Orchestration of OpenFlow/GMPLS Flexi-grid Networks with a Stateful Hierarchical PCE
Ramon Casellas, Raül Muñoz, Ricardo Martínez, Ricard Vilalta, L. Liu, Takehiro Tsuritani, Itsuro Morita, Víctor López, Óscar González de Dios, Juan Pedro Fernández-Palacios · Optical Fiber Communication Conference · 2014
We report the experimental testbed evaluation of connectivity provisioning in which OpenFlow and GMPLS control planes interwork by means of an orchestrating stateful PCE. The hierarchical nature of the PCE allows seamless multi-domain operation.