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PACKET FILTERING/CLASSIFICATION AND/OR POLICY CONTROL SUPPORT FROM BOTH VISITED AND HOME NETWORKS
PACKET FILTERING/CLASSIFICATION AND/OR POLICY CONTROL SUPPORT FROM BOTH VISITED AND HOME NETWORKS
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机译:访问的网络和家庭网络的数据包筛选/分类和/或策略控制支持
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摘要
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)served by a wireless telecommunications system. The method includes: includes establishing a first IP tunnel between the UE and a local access gateway of a visited network, the first tunnel being anchored at the local access gateway; establishing a second IP tunnel between the UE and a home gateway of a home network, the second tunnel being anchored at the home gateway; receiving data packets at the local access gateway for the UE; filtering the packets received at the local access gateway to suitably classify corresponding traffic into one of a plurality of data flows supported within the first tunnel at varying Quality of Service (QoS) levels; and filtering the received packets.
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