A method of establishing a connection between one or more H(e)NBs and one or more local gateways, L-GWs, in a local network having a structure in which the one or more H(e)NBs are physically separated from the one or more L-GWs in order to support mobility of a user equipment, the method comprising: providing 508, 608, 824, 924), by a first entity (500, 600, 800, 900) which is one of the one or more H(e)NBs or one of the one or more L-GWs, an information management device accessible by all of the one or more H(e)NBs and the one or more L-GWs with connection information about the first entity, the connection information about the first entity at least containing a local address and a core address of the first entity and identification information on the local network; receiving (510, 828, 928), by the first entity from the information management device, location information about a location containing connection information about a target entity which is one of the one or more L-GWs if the first entity is one of the one or more H(e)NBs or one of the one or more H(e)NBs if the first entity is one of the one or more L-GWs, the connection information about the target entity at least containing a local address of the target entity, and a core address of the target entity and identification information on the local network; obtaining, by the first entity, the connection information about the target entity based on the received location information; and establishing (512, 832, 932), by the first entity, a connection with the target entity using the local address of the target entity, the core address of the target entity and the identification information on the local network included in the obtained connection information about the target entity. providing 508, 608, 824, 924), by a first entity (500, 600, 800, 900) which is one of the one or more H(e)NBs or one of the one or more L-GWs, an information management device accessible by all of the one or more H(e)NBs and the one or more L-GWs with connection information about the first entity, the connection information about the first entity at least containing a local address and a core address of the first entity and identification information on the local network; receiving (510, 828, 928), by the first entity from the information management device, location information about a location containing connection information about a target entity which is one of the one or more L-GWs if the first entity is one of the one or more H(e)NBs or one of the one or more H(e)NBs if the first entity is one of the one or more L-GWs, the connection information about the target entity at least containing a local address of the target entity, and a core address of the target entity and identification information on the local network; obtaining, by the first entity, the connection information about the target entity based on the received location information; and establishing (512, 832, 932), by the first entity, a connection with the target entity using the local address of the target entity, the core address of the target entity and the identification information on the local network included in the obtained connection information about the target entity.