SDN SYSTEM, SDN SUB-CONTROLLER, AND METHOD OF CONTROLLING SDN SYSTEM

A method of controlling an SDN system, an SDN sub-controller, and an SDN system is provided. The SDN controller sends a keepalive notification to the SDN switch and the SDN sub-controller. The SDN switch sends a switching request to the SDN sub-controller on condition that the keepalive notification...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YAMASAKI, Yasuhiro, GOTO, Hideki, OTAKE, Ikuyoshi
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION WIRELESS COMMUNICATIONS NETWORKS
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