Updates to support network based internet protocol flow mobility

Abstract

Various embodiments may be generally directed to techniques for UE initiated and network initiated IP flow mobility. Various embodiments provide techniques for sharing IP flow routing rules and/or filters between a UE and various network infrastructure components using existing network based protocols or extensions thereto. Various embodiments provide techniques for provisioning network based IP flow mobility triggers and for ensuring UE connections to a 3GPP network are maintained in the absence of any 3GPP network IP flows.

What is claimed is: 
     
         1 . User equipment (UE), comprising:
 logic, at least a portion of which is in hardware, to generate a wireless local area network (WLAN) control protocol (WLCP) packet data network (PDN) connectivity request message indicating that an existing PDN connection is to be provisioned as a multiple access PDN connection by adding one of a WLAN and a 3GPP network as an additional access connection; and   a transceiver to transmit the WLCP PDN connectivity request message.   
     
     
         2 . The UE of  claim 1 , the logic to indicate in a request type field of the WLCP PDN connectivity request message that the existing PDN connection is to be provisioned as the multiple access PDN connection and to specify one of the WLAN and the 3GPP network as the additional access connection. 
     
     
         3 . The UE of  claim 1 , the logic to update a routing rule in the WLCP PDN connectivity request message. 
     
     
         4 . The UE of  claim 3 , the logic to include a new routing rule in the WLCP PDN connectivity request message. 
     
     
         5 . The UE of  claim 4 , the logic to include a new routing filter description for the new routing rule. 
     
     
         6 . The UE of  claim 4 , the logic to modify a routing access type of an existing routing rule in the WLCP PDN connectivity request message. 
     
     
         7 . The UE of  claim 3 , the logic to include the updated routing rule in a protocol configuration options (PCO) field of the WLCP PDN connectivity request message. 
     
     
         8 . The UE of  claim 1 , wherein the WLAN is a trusted WLAN (TWAN). 
     
     
         9 . User equipment (UE), comprising:
 logic, at least a portion of which is in hardware, to generate a wireless local area network (WLAN) control protocol (WLCP) flow mobility request message indicating that an internet protocol (IP) flow is to be moved from a first wireless access system to a second wireless access system; and   a transceiver to transmit the WLCP flow mobility request message.   
     
     
         10 . The UE of  claim 9 , wherein the first wireless access system is a 3GPP wireless access system and the second wireless access system is a non-3GPP wireless access system. 
     
     
         11 . The UE of  claim 9 , wherein the first wireless access system is a non-3GPP wireless access system and the second wireless access system is a 3GPP wireless access system. 
     
     
         12 . The UE of  claim 9 , the logic to identify at least one of a message type, a transaction identifier, an access point name, and a packet data network (PDN) connection identifier (ID) in the WLCP flow mobility request message. 
     
     
         13 . The UE of  claim 9 , the logic to include an updated routing rule in the WLCP flow mobility request message. 
     
     
         14 . The UE of  claim 13 , the logic include the updated routing rule in a protocol configuration options (PCO) field of the WLCP flow mobility request message. 
     
     
         15 . The UE of  claim 9 , the logic to process an indication provided in a WLCP flow mobility indication message that a second IP flow is to be moved from the first wireless access system to the second wireless access system and to process a second updated routing rule included in a PCO field of the WLCP flow mobility indication; and
 a receiver to receive the WLCP flow mobility indication message.   
     
     
         16 . A wireless local area network (WLAN) gateway, comprising:
 logic, at least a portion of which is in hardware, to generate one of a bearer resource command and a modify bearer request message indicating that an IP flow is to be moved from a first wireless access system to a second wireless access system and to include an updated routing rule for the IP flow in a protocol configuration options (PCO) field in the one of the bearer resource command and the modify bearer request message; and   a transmitter to transmit the one of the bearer resource command and the modify bearer request message.   
     
     
         17 . The WLAN gateway of  claim 16 , the logic to process an indication provided in an update bearer request message that a second IP flow is to be moved from the first wireless access system to the second wireless access system and to process a second updated routing rule included in the PCO field of the update bearer request message; and
 a receiver to receive the update bearer request message.   
     
     
         18 . The WLAN gateway of  claim 17 , the logic to generate an update bearer response message indicating acknowledgement that the second IP flow is to be moved from the first wireless access system to the second wireless access system and to include the second updated routing rule in the PCO field of the update bearer response message. 
     
     
         19 . The WLAN gateway of  claim 16 , wherein the WLAN gateway is a trusted WLAN gateway (TWAG). 
     
     
         20 . A packet data network gateway (PDN-GW) comprising:
 logic, at least a portion of which is in hardware, to process a rule for managing internet protocol (IP) flows associated with the PDN-GW, to generate an update bearer request message indicating that an IP flow is to be moved from a first wireless access system to a second wireless access system based on the processed rule, and to include an updated routing rule in the update bearer request message.   
     
     
         21 . The PDN-GW of  claim 20 , the logic to process the rule for managing IP flows based on an indication from an access network discovery and select function (ANDSF). 
     
     
         22 . The PDN-GW of  claim 20 , the logic to include the updated routing rule in a protocol configuration options (PCO) field of the update bearer request message. 
     
     
         23 . The PDN-GW of  claim 20 , the logic to process an update bearer response message indicating acknowledgement that the IP flow is to be moved from the first wireless access system to the second wireless access system and to process the updated routing rule included in the PCO field of the update bearer response message. 
     
     
         24 . The PDN-GW of  claim 20 , the logic to process one of a bearer resource command and a modify bearer request message indicating that a second IP flow is to be moved from the first wireless access system to the second wireless access system and to process a second updated routing rule for the second IP flow included in the PCO field in the one of the bearer resource command and the modify bearer request message. 
     
     
         25 . The PDN-GW of  claim 24 , the logic to generate one of a bearer resource command and a modify bearer response message indicating acknowledgement that the second IP flow is to be moved from the first wireless access system to the second wireless access system and to include the second updated routing rule for the second IP flow in the PCO field in the one of the bearer resource command and the modify bearer response message.