Patent ID: 8584206

Claim:
A method for managing a domain, performed by a first device, the method comprising: designating the first device as a primary domain manager that implements domain management functionalities; configuring a domain by registering one or more domain devices based on at least one of a first mode initiated by the primary domain manager and a second mode initiated by a user input, wherein, in the first mode, the primary domain manager detects the one or more devices within a domain area, requests the one or more devices to be certified and registers the one or more devices based on certification of the one or more devices, and wherein in the second mode, the primary domain manager receives a registration request from a device that has received the user input, and detects the device that has received the user input signal; checking a capability of each device associated with the configured domain; wherein the capability includes at least one of hardware performance, network performance, security performance, and battery capability; designating second devices associated with the domain as secondary domain managers based on checking the capability of each device associated with the domain, wherein each of the secondary domain managers has a priority that is assigned in order of a higher capability, and a first secondary domain manager that has the highest priority among the secondary domain managers replaces the primary domain manger when the primary domain manager is in a failure state; splitting the domain management functionalities by transferring at least one of the domain management functionalities, which includes management of a temporary device that is temporarily registered with the domain and is provided limited domain service based on a predetermined criterion, from the primary domain manager to at least one of the secondary domain managers; and managing the domain using the domain management functionalities provided by the designated primary domain manager and at least one of the secondary domain managers.