used by an various SDN controllers, allowing the interworking of heterogeneous control
plane paradigms (ie, OpenFlow, GMPLS/PCE). COP has been defined using YANG model
language and can be transported using RESTconf, which is being incorporated by industry.
COP has been defined in the scope of STRAUSS due to the need for an overarching control
plane protocol for network orchestration. In this paper, several research projects describe …