| 摘要 |
PROBLEM TO BE SOLVED: To provide scalability in terms of the number of APs/BSs and the number of clients.SOLUTION: A disclosed method and apparatus includes determining an address by using an access point address and a multicast group address, transmitting a recovery request message to a recovery server to request recovery data by using the address, and receiving the recovery data from the recovery server. In addition, a disclosed method and apparatus includes receiving a registration message, transmitting a reply to the registration message, receiving a recovery request message, transmitting recovery data in response to the recovery request message, and transmitting a message to a recovery multicast group to determine a status of the recovery multicast group. |
