Patent ID: 9066328
Filing Date: 2015-06-23
Classification: H04L,H04W

Abstract:
1. A method implemented by a distributed gateway (D-GW), the method comprising: the D-GW detecting, via layer 2 (L2) attachment signaling or triggers, that a wireless transmit/receive unit (WTRU) has attached to the D-GW; the D-GW selecting an Internet protocol (IP) prefix from a pool of locally anchored prefixes to be delegated to the WTRU; the D-GW contacting a home subscriber server (HSS), perform a location update procedure, and retrieve information associated with active IP prefixes available to the WTRU the D-GW setting up a logical interface associated with establishing communication with the WTRU; and the D-GW using the logical interface to advertise the selected IP prefix.