TRAFFIC OFFLOAD IN A MULTI-ACCESS MOBILE COMMUNICATION SYSTEM SUPPORTING NETWORK-BASED IP MOBILITY
In an embodiment, there is provided a method for traffic offload in a multi-access mobile communication system supporting network-based IP mobility, said method comprising: setting up traffic offload at access level, using network-based IP mobility related signaling.
1 . A method for traffic offload in a multi-access mobile communication system supporting network-based IP mobility, said method comprising:
setting up traffic offload at access level, using network-based IP mobility related signaling.
2 . A method according to claim 1 , in a system supporting network-based IP mobility enhanced for IP flow mobility support.
3 . A method according to claim 1 , comprising:
a core network entity supporting network-based IP mobility deciding whether traffic should be offloaded at access level.
4 . A method according to claim 1 , comprising:
a core network entity supporting network-based IP mobility deciding whether traffic should be offloaded at access level, upon reception of an initial uplink packet for said traffic.
5 . A method according to claim 1 , comprising:
a core network entity supporting network-based IP mobility instructing an access network entity supporting network-based IP mobility to setup traffic offload at access level.
6 . A method according to claim 1 , comprising:
an access network entity supporting network-based IP mobility setting up traffic offload at access level, upon receiving instruction from a core network entity supporting network-based IP mobility.
7 . A method according to claim 1 , comprising:
an access network entity supporting network-based IP mobility acknowledging instruction to setup traffic offload at access level, received from a core network entity supporting network-based IP mobility.
8 . A method according to claim 1 , comprising:
an access network entity supporting network-based IP mobility, upon receiving instruction from a core network entity supporting network-based IP mobility to setup traffic offload at access level for an IPv6 Mobile Node MN, sending Routing Advertisement including new address configuration information for said MN.
9 . A method according to claim 1 , wherein:
network-based IP mobility corresponds to Proxy Mobile IPv6 PMIPv6,
a core network entity supporting network-based IP mobility corresponds to a Local Mobility Anchor LMA,
an access network entity supporting network-based IPmobility corresponds to a Mobile Access Gateway MAG.
10 . A method according to claim 1 , comprising, in a system supporting Proxy Mobile IPv6 PMIPv6 enhanced for IP flow mobility support:
a Local Mobility Anchor LMA sending to a Mobile Access gateway MAG a Flow Mobility Initiate FMI message including instruction to setup traffic offload at access level.
11 . A method according to claim 1 , comprising, in a system supporting Proxy Mobile IPv6 PMIPv6 enhanced for IP flow mobility support:
a Mobile Access Gateway MAG sending to a Local Mobility Anchor LMA a Flow Mobility Acknowledge FMA message including acknowledgement of instruction to setup traffic offload at access level.
12 . A core network entity supporting network-based IP mobility in a multi-access mobile communication system, such as in particular Local Mobility Anchor LMA, said entity configured for performing a method according to claim 1 .
13 . An access network entity supporting network-based IP flow mobility in a multi-access mobile communication system, such as in particular Mobile Access Gateway MAG, said entity configured for performing a method according to claim 1 .