Patent ID: 8838791

Claim:
A method for providing network access by a session management node, the method comprising: receiving, at the session management node, an initial request message, the initial request message including at least one subscription identifier; determining that the session management node does not have access to a subscription record associated with the at least one subscription identifier; generating a transient subscription record based on the initial request message; and establishing a session based on the initial request message and the transient subscription record, wherein establishing a session includes identifying at least one Policy Charging and Control (PCC) rule associated with the transient subscription record; subsequent to generating the transient subscription record based on the initial request message: receiving an indication that the session management node has access to a subscription record associated with the at least one subscription identifier; replacing the transient subscription record with the subscription record associated with the at least one subscription identifier; and subsequent to receiving an indication that the session management node has access to a subscription record associated with the at least one subscription identifier, initiating a change to at least one previously established session based on the subscription record associated with the at least one subscription identifier.