Method for gateway selection
A gateway and data gateway technology, applied in the direction of network connection, data exchange network, digital transmission system, etc., can solve problems such as inability to modify in time, unsuccessful access of user terminals, inability to access services, etc., to achieve the effect of ensuring continuity
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[0030] The shared core control entity in the embodiment of the present invention may be an HSS, and the local core control entity may be an AAA Server or AAAProxy. When the user terminal is in the visiting place, the AAA Proxy controls and manages the user, and the AAA Proxy gets in touch with the HSS through the AAA Server to obtain user and home network information. The data gateway is a data gateway of a converged network formed based on the early technological evolution of the 3GPP network, and can support two different mobility management protocols, GTP and MIP. The access control function entity is a mobility management entity in the 3GPP access network, such as MME or SGSN; in the non-3GPP access network, it is the local core control entity AAA Server or AAAProxy, or a non-3GPP access network gateway, or It is composed of the local core control entity of the home location and the non-3GPP access network gateway, or is composed of the local core control entity of the vis...
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