METHOD FOR SYNCHRONIZING CONTROLLER AND CONTROLLER

Provided are a method and an apparatus for synchronization between controllers in a SDN. The controller determines whether a first communication cycle of the controller is the same as a second communication cycle of at least one controller of the controllers in a SDN, adaptively adjusts the first co...

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Bibliographische Detailangaben
Hauptverfasser:	KIM, KEE CHEON, KIM, GREEN
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	Provided are a method and an apparatus for synchronization between controllers in a SDN. The controller determines whether a first communication cycle of the controller is the same as a second communication cycle of at least one controller of the controllers in a SDN, adaptively adjusts the first communication cycle when the first communication cycle and the second communication cycle are different, and synchronizes the controller and the at least one controller when the first communication cycle and the second communication cycle are the same. SDN 내의 콘트롤러들 간의 동기화를 위한 방법 및 장치가 제공된다. 콘트롤러는 콘트롤러의 제1 통신 주기가 SDN 내의 콘트롤러들 중 적어도 하나의 콘트롤러의 제2 통신 주기와 동일한지 여부를 판단하고, 제1 통신 주기 및 제2 통신 주기가 서로 상이한 경우 제1 통신 주기를 적응적으로 조정하고, 제1 통신 주기 및 제2 통신 주기가 서로 동일한 경우 콘트롤러 및 적어도 하나의 콘트롤러를 동기화한다.