Cooperative caching method and apparatus for mobile communication system

A local base station for performing cooperative caching in a mobile communication system, the local base station comprising:

• an interface unit for communicating with at least one node connected to the local base station;
• a storage unit that includes a cache including a local part for storing data to be served to clients connected to the local base station and a cooperative part for storing data predetermined to be stored in the local base station and provided to the nodes;
• and
• a control unit for determining, if a request for a data is received from a client, whether the data is stored in a cache of the local base station, transmitting a message for requesting the data, if the requested data is not stored in the cache, to a predetermined home base station to store the requested data, receiving the data from the predetermined home base station if the data is stored in the predetermined home base station, and from a server if the data is not stored in the predetermined home base station, transmitting the data to the client, and transmitting the data to the predetermined home base station to store the requested data.