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

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...

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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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creator YAMASAKI, Yasuhiro
GOTO, Hideki
OTAKE, Ikuyoshi
description 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 cannot be received during a predetermined specific period. The SDN sub-controller starts to control a communication setting of the SDN switch on condition that the keepalive notification cannot be received during the specific period and that the switching request has been received.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
title SDN SYSTEM, SDN SUB-CONTROLLER, AND METHOD OF CONTROLLING SDN SYSTEM
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