METHOD AND APPARATUS FOR GATEWAY SESSION ESTABLISHMENT

摘要

A method is provided for deploying a policy from a 3GPP core network to a non-3GPP access network. The policy relates to a connection established from a mobile terminal to the 3GPP core network via the non-3GPP access network. A local IP address is received (S1) at the 3GPP core network, the local IP address having been acquired by the mobile terminal during establishment of the connection. At the 3GPP core network, establishment of a policy control session is initiated (S3) from the 3GPP core network to the non-3GPP access network. The received local IP address is used to determine (S2a) or to enable determination of (S2b) the non-3GPP access network used for the connection with reference to shared I P addressing information. The shared IP addressing information sets out different respective ranges of local IP addresses assigned to a plurality of such non-3GPP access networks. At the 3GPP core network, the policy is provided (S4) to the non-3GPP access network using the policy control session established as a result of the policy control session initiation step. The policy is for deployment in the non-3GPP access network in relation to the established connection. A method is also provided for use at the non-3GPP access network.