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    • 2. 发明申请
    • Packet filtering/classification and/or policy control support from both visited and home networks
    • 来自访问和家庭网络的包过滤/分类和/或策略控制支持
    • US20090037999A1
    • 2009-02-05
    • US11888175
    • 2007-07-31
    • Thomas W. AndersonChung-Zin LiuHarold A. LassersStinson S. Mathai
    • Thomas W. AndersonChung-Zin LiuHarold A. LassersStinson S. Mathai
    • G06F9/00
    • H04W28/16H04L69/14H04W8/082H04W76/10H04W80/04H04W80/10
    • A method of supporting access to a selected Internet Protocol (IP) multimedia application via an IP Multimedia Subsystem (IMS) is provided for a roaming mobile node (MN)—i.e., user equipment (UE) (10)—served by a wireless telecommunications system. The method includes: establishing a first IP tunnel (20) between the UE (10) and a local access gateway (30) of a visited network in which the UE (10) is roaming, the first tunnel (20) being anchored at the local access gateway (30); establishing a second IP tunnel (22′) between the UE (10) and a home gateway (40′) of a home network to which the UE (10) belongs, the second tunnel (22′) being anchored at the home gateway (40′); receiving data packets at the local access gateway (30) for the UE (10); filtering the packets received at the local access gateway (30) to suitably classify corresponding traffic into one of a plurality of data flows (20a, 20b, . . . 20n) supported within the first tunnel (20) at varying Quality of Service (QoS) levels; receiving data packets at the home gateway (40′) for the UE (10); and, filtering the packets received at the home gateway (40′) to suitably classify corresponding traffic into one of a plurality of data flows (22a, 22b, . . . 22n) supported within the second tunnel (22′) at varying QoS levels.
    • 为漫游移动节点(MN)提供支持通过IP多媒体子系统(IMS)对所选择的因特网协议(IP)多媒体应用的访问的方法,即由无线电信服务的用户设备(UE)(10) 系统。 该方法包括:在UE(10)和UE(10)正在漫游的被访问网络的本地接入网关(30)之间建立第一IP隧道(20),第一隧道(20)锚定在 本地接入网关(30); 在所述UE(10)和所述UE(10)所属的归属网络的家庭网关(40')之间建立第二IP隧道(22'),所述第二隧道(22')锚定在所述家庭网关 40'); 在所述UE(10)的本地接入网关(30)处接收数据分组; 过滤在本地接入网关(30)处接收到的分组,以适当地将对应的流量分类为在改变服务质量(QoS)的情况下支持在第一隧道(20)内的多个数据流(20a,20b,...,20n)之一 )水平; 在所述家庭网关(40')处为所述UE(10)接收数据分组; 并且对在家庭网关(40')处接收到的分组进行过滤以将相应的业务适当地分类为在不同QoS级别下支持在第二隧道(22')内的多个数据流(22a,22b,...,22n)中的一个 。