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Packet-data-network-specific addressing solutions for clients relying on proxy-based mobility

  • US 8,953,609 B1
  • Filed: 12/10/2013
  • Issued: 02/10/2015
  • Est. Priority Date: 08/06/2007
  • Status: Active Grant
First Claim
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1. A wireless client terminal comprising:

  • an application module configured to determine a first set of services requested by applications, wherein the first set of services includes at least a first service and a second service;

    a service mapping module configured to store a table that maps a plurality of services to respective access point names, wherein each access point name identifies a respective packet data network, wherein the application module is configured to consult the table to determine a first set of access point names corresponding to the first set of services, and wherein the first set of access point names includes a first access point name and a second access point name;

    a wireless network interface configured to wirelessly communicate with a media access gateway; and

    an address determination module configured toconstruct an address request message, wherein the address request message includes the first set of access point names,transmit the address request message to the media access gateway via the wireless network interface,receive an address response message from the media access gateway via the wireless network interface, wherein the address response message includes a first set of address information, anddetermine at least one address of a first set of addresses in response to the first set of address information, wherein the first set of addresses includes a first address and a second address, wherein the first address corresponds to the first access point name, and wherein the second address corresponds to the second access point name,wherein the application module is configured totransmit a first packet to the media access gateway via the wireless network interface,in response to the first packet being related to the first service, provide the first access point name to the wireless network interface in association with the first packet, andin response to the first packet being related to the second service, provide the second access point name to the wireless network interface in association with the first packet, andwherein the wireless network interface is configured toin response to receiving the first access point name in association with the first packet, set a source address of the first packet to the first address, andin response to receiving the second access point name in association with the first packet, set a source address of the first packet to the second address.

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