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    • 3. 发明申请
    • METHOD AND APPARATUS FOR LOCAL GATEWAY ASSIGNMENT IN WIRELESS NETWORKS
    • 无线网络中本地网关分配的方法与装置
    • WO2012074827A1
    • 2012-06-07
    • PCT/US2011/061772
    • 2011-11-22
    • ALCATEL-LUCENTKAHN, ColinURIE, Alistair
    • KAHN, ColinURIE, Alistair
    • H04W8/26
    • H04W8/26H04W24/02H04W28/08H04W88/16
    • A local gateway assignment capability is depicted and described herein. In a wireless service provider network, the local gateway assignment capability enables a local gateway, rather than a core gateway, to be selected to serve a user request for an APN. The local gateway and core gateway may be a Local-GGSN (L-GGSN) and a GGSN, respectively, where the L- GGSN is associated with an SGSN and provides local traffic offloading for the GGSN and where the GGSN provides a gateway for the core network portion of the wireless service provider network. A DNS element or other device is configured to determine an SGSN-specific APN in response to receiving a DNS Request from an SGSN. A DNS element is configured to identify, using an SGSN-specific APN associated with an SGSN, an L-GGSN associated with the SGSN, and to provide an indication of the L-GGSN to the SGSN from which the DNS Request is received, thereby enabling the user associated with the DNS Request to use the L-GGSN rather than the GGSN.
    • 这里描绘和描述了本地网关分配能力。 在无线服务提供商网络中,本地网关分配能力使得能够选择本地网关而不是核心网关来为APN提供用户请求。 本地网关和核心网关可以分别是本地GGSN(L-GGSN)和GGSN,其中L- GGSN与SGSN相关联,并为GGSN提供本地流量卸载,并且GGSN为 无线服务提供商网络的核心网络部分。 DNS元件或其他设备被配置为响应于从SGSN接收到DNS请求来确定SGSN特定APN。 DNS元素被配置为使用与SGSN相关联的SGSN特定APN来识别与SGSN相关联的L-GGSN,并且向从其接收DNS请求的SGSN提供L-GGSN的指示,由此 使与DNS请求相关联的用户能够使用L-GGSN而不是GGSN。