Apparatus, system and method of access network discovery and selection function (ANDSF) for traffic offloading
Some demonstrative embodiments include devices, systems and methods of Access Network Discovery and Selection Function (ANDSF) for traffic offloading. For example, an ANDSF Management Object (MO) may include one or more ANDSF policies, at least one ANDSF policy including ANDSF selection criteria to offload traffic between a cellular network and a Wireless Local Area Network (WLAN); and a preference indicator to indicate a preference between the ANDSF selection criteria and Radio Access Network (RAN) selection criteria from the cellular network.
1. An apparatus comprising a memory and a processor configured to cause a user equipment (UE) to:
receive an Access Network Discovery and Selection Function (ANDSF) management object (MO) from an ANDSF server via a base station, the ANDSF MO is to comprise an ANDSF rule and a provisioned offload preference indicator (OPI) which is operator specific and is to indicate a preference between an Evolved Universal Terrestrial Radio Access Network (E-UTRAN)/UTRAN access and a Wireless Local Area Network (WLAN) access; and
route a traffic flow between the E-UTRAN/UTRAN and the WLAN, at least in part based on the ANDSF rule and the OPI, wherein the ANDSF MO is to comprise a Radio Access Network (RAN) parameter which is supported by the E-UTRAN/UTRAN, wherein the RAN parameter is to comprise a WLAN threshold, and wherein routing of the traffic flow is through comparing a measured WLAN result with the WLAN threshold in the ANDSF MO.
2. The apparatus of claim 1 , wherein the ANDSF rule is to comprise at least one of an inter-system routing policy (ISRP), an inter system mobility policy (ISMP), or a WLAN selection policy (WLANSP).
3. The apparatus of claim 2 configured to cause the UE to use the ISRP to route the traffic flow, when the UE is capable to simultaneously route the traffic flow to both the EUTRAN/UTRAN and the WLAN.
4. The apparatus of claim 2 configured to cause the UE to use the ISMP to route the traffic flow, when the UE is not capable to simultaneously route the traffic flow to both EUTRAN/UTRAN and the WLAN.
5. The apparatus of claim 1 , wherein the ANDSF MO is to comprise a preference indicator to indicate preferred selection criteria are to be either Radio Access Network
(RAN) selection criteria provided by a cellular network or ANDSF selection criteria provided by the ANDSF server.
6. The apparatus of claim 1 configured to cause the UE to select between using the ANDSF rule and a Radio Access Network (RAN) rule to determine on routing the traffic flow.
7. The apparatus of claim 1 comprising a transceiver and one or more antennas.
8. An apparatus comprising a memory and a processor configured to cause an Access Network Discovery and Selection Function (ANDSF) server in a wireless network to:
generate an ANDSF management object (MO), the ANDSF MO is to comprise an ANDSF rule and a provisioned offload preference indicator (OPI) which is operator specific and is to indicate a preference between an Evolved Universal Terrestrial Radio Access Network
(EUTRAN)/UTRAN access and a Wireless Local Area Network (WLAN) access, wherein the ANDSF MO is to comprise a Radio Access Network (RAN) parameter which is supported by the E-UTRAN/UTRAN, wherein the RAN parameter is to comprise a WLAN threshold configured for routing a traffic flow through comparison of a measured WLAN result with the WLAN threshold; and
transmit the ADNSF MO to a User Equipment (UE) via a base station.
9. The apparatus of claim 8 , wherein the AND SF rule is to comprise an intersystem routing policy (ISRP), when the UE is capable to simultaneously route a traffic flow to both the E-UTRAN/UTRAN and the WLAN.
10. The apparatus of claim 8 , wherein the ANDSF rule is to comprise an inter system mobility policy (ISMP), when the UE is not capable to simultaneously route a traffic flow to both the E-UTRAN/UTRAN and the WLAN.
11. The apparatus of claim 8 , wherein the ANDSF rule is to comprise a WLAN selection policy (WLANSP).
12. The apparatus of claim 8 , wherein the ANDSF MO is to comprise a preference indicator to indicate preferred selection criteria are to be either Radio Access Network
(RAN) selection criteria provided by a cellular network or ANDSF selection criteria provided by the ANDSF server.
13. The apparatus of claim 8 comprising a communication interface to transmit the ANDSF MO.
14. A product comprising a non-transitory computer readable storage medium encoded with executable instructions, which when executed by at least one processor, cause a user equipment (UE) to:
receive an Access Network Discovery and Selection Function (ANDSF) management object (MO) from an ANDSF server via a base station, the ANDSF MO is to comprise an ANDSF rule and a provisioned offload preference indicator (OPI) which is operator specific and is to indicate a preference between an Evolved Universal Terrestrial Radio Access Network (E-UTRAN)/UTRAN access and a Wireless Local Area Network (WLAN) access;
and
route a traffic flow between the E-UTRAN/UTRAN and the WLAN, at least in part based on the ANDSF rule and the OPI, wherein the ANDSF MO is to comprise a Radio Access Network (RAN) parameter which is supported by the E-UTRAN/UTRAN, wherein the RAN parameter is to comprise a WLAN threshold, and wherein routing of the traffic flow is through comparing a measured WLAN result with the WLAN threshold in the ANDSF MO.
15. The product of claim 14 , wherein the ANDSF rule is to comprise at least one of an inter-system routing policy (ISRP), an inter system mobility policy (ISMP), or a WLAN selection policy (WLANSP).
16. The product of claim 15 , wherein the instructions, when executed, cause the UE to use the ISRP to route the traffic flow, when the UE is capable to simultaneously route the traffic flow to both the E-UTRAN/UTRAN and the WLAN.
17. The product of claim 15 , wherein the instructions, when executed, cause the UE to use the ISMP to route the traffic flow, when the UE is not capable to simultaneously route the traffic flow to both E-UTRAN/UTRAN and the WLAN.
18. The product of claim 14 , wherein the ANDSF MO is to comprise a preference indicator to indicate preferred selection criteria are to be either Radio Access Network (RAN) selection criteria provided by a cellular network or ANDSF selection criteria provided by the ANDSF server.
19. The product of claim 14 , wherein the instructions, when executed, cause the UE to select between using the ANDSF rule and a Radio Access Network (RAN) rule to determine on routing the traffic flow.
20. The apparatus of claim 1 , wherein the WLAN thresholds comprises a WLAN signal strength threshold.
21. The apparatus of claim 5 , wherein the AND SF selection criteria comprises one or more ANDSF WLAN thresholds.
22. The apparatus of claim 8 , wherein the WLAN threshold comprises a WLAN signal strength threshold.
23. The apparatus of claim 12 , wherein the ANDSF selection criteria comprises one or more AND SF WLAN thresholds.
24. The product of claim 14 , wherein the WLAN threshold comprises a WLAN signal strength threshold.
25. The product of claim 18 , wherein the AND SF selection criteria comprises one or more ANDSF WLAN thresholds.