Patent ID: 8929265
Filing Date: 2015-01-06
Classification: H04L,H04W

Abstract:
1. A first network configured to connect a terminal to a home network during a time that the terminal is roaming within the first network, the first network comprising: a plurality of attachment points, wherein a first attachment point of the plurality of attachment points includes a first interface selected from a group consisting of a 3GPP interface, a 3GPP2 interface, a WiMAX interface, a WLAN interface, and a wired interface, wherein the first attachment point is configured to receive an attach request from the terminal, and wherein the attach request includes a request from the terminal for an Internet Protocol (IP) address from an anchoring point within the home network; and an Authentication/Authorization/Accounting server proxy configured to determine whether the terminal is authorized to attach to the first attachment point, wherein in response to the terminal being authorized to attach to the first attachment point, wherein the first attachment point is configured to initially receive the Internet Protocol (IP) address from the anchoring point within the home network via i) the first tunnel between the first attachment point and the second attachment point and ii) the second tunnel between the second attachment point and the anchoring point within the home network, and wherein in response to the terminal switching from the first attachment point to a third attachment point of the plurality of attachment points, wherein the third attachment point includes a second interface selected from the group consisting of the 3GPP interface, the 3GPP2 interface, the WiMAX interface, the WLAN interface, and the wired interface, and wherein the third attachment point is separate from the first attachment point and the second attachment point, the second tunnel between the second attachment point and the anchoring point within the home network remains unchanged.