| 摘要 |
A communication system provides one or more services using a plurality of virtual networks provisioned in a network. A communication device belonging to at least one of the plurality of virtual networks is provided with service-ID associating information in which a service-ID identifying a service is associated with at least one virtual network identifier each identifying a virtual network that is included in the plurality of virtual networks and is to be used for providing the service. A base station transmits a service-ID association request to the communication device which then returns the stored service-ID associating information to the base station. Thereafter, the base station selects, from among the plurality of virtual networks, at least one virtual network that is to be used for providing a service identified by the service-ID, based on the service-ID associating information, and establishes a connection with the selected at least one virtual network.
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