Patent ID: 9596131
Date: 2017-03-14
CPC Classifications: H04L

Claim:
1. A method in which one initialized routing processor transits an operation mode in a packet processing system including a plurality of routing processors, the method comprising: verifying whether an ID message is received by entering a slave stand-by mode; operating in a slave operation mode immediately when the ID message is received within a first stand-by time according to the verification result; transmitting the ID message to other routing processors for a first threshold time by entering a master stand-by mode when the ID message is not received within the first stand-by time according to the verification result; and a contention step of entering a master operation mode when the ID message is not received from the other routing processors within the first threshold time in the master stand-by mode and entering a slave operation mode through the slave stand-by mode when the ID message is received.