Sughrue Mion, PLLC
Methods for changing an authority of control for a controller in environment having multiple controllers
Disclosed is a method for changing a role over control authorization performed in a communication apparatus. The method may comprise receiving, from a second controller, a role-request message requesting a role change of the second controller to a master controller; transmitting a role status request message for confirmation of the role change of the second controller to a first controller which is a previous master controller; and determining whether to accept the role change of the second controller according to a role status response message received from the first controller. Therefore, reliability may be guaranteed when a role of master controller is changed.
KT Corporation
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Se Hui Kyung Ah Tae Jin Jeong Wook
Lee Han Ahn Lee