Packet network access point selection based on application group membership

1. A method of operating a wireless packet access network comprising:

receiving at a wireless network control system a packet data request from an application in a wireless communication device;

determining if the application is a member of a first application group or a second application group;

selecting a core packet network access point from a plurality of core packet network access points based on whether the application is a member of the first application group or the second application group and based on a data structure which associates the application with the first application group or the second application group;

transmitting the packet data request to the selected core packet network access point to initiate access to a core packet network; and

modifying the data structure to provide a different level of service to the wireless communication device by changing the application group with which the application is associated such that a different one of the plurality of core packet network access points will be selected, wherein the different one of the plurality of core packet network access points has a shorter response time than the selected core packet network access point.

2. The method of claim 1 wherein the wireless network control system is a radio network controller (RNC).

3. The method of claim 1 wherein the selected core packet network access point is a packet data serving node (PDSN).

4. The method of claim 1 further comprising establishing a point-to-point protocol (PPP) connection between the wireless communication device and the selected core packet network access point in response to the packet data request.

5. The method of claim 1 wherein modifying the data structure comprises modifying the data structure based on a network condition.

6. The method of claim 5 wherein the network condition comprises the response time of the selected core packet network access point.

7. A wireless packet access network comprising:

a plurality of core packet network access points; and

a wireless network control system configured to:

receive a packet data request from an application in a wireless communication device;

determine if the application is a member of a first application group or a second application group;

select a core packet network access point from the plurality of core packet network access points based on whether the application is a member of the first application group or the second application group and based on a data structure which associates the application with the first application group or the second application group;

transmit the packet data request to the selected core packet network access point to initiate access to a core packet network; and

modify the data structure to provide a different level of service to the wireless communication device by changing the application group with which the application is associated such that a different one of the plurality of core packet network access points will be selected, wherein the different one of the plurality of core packet network access points has a shorter response time than the selected core packet network access point.

8. The wireless packet access network of claim 7 wherein the wireless network control system is a radio network controller (RNC).

9. The wireless packet access network of claim 7 wherein the selected core packet network access point is a packet data serving node (PDSN).

10. The wireless packet access network of claim 7 wherein a point-to-point protocol (PPP) connection is established between the wireless communication device and the selected core packet network access point in response to the packet data request.

11. The wireless packet access network of claim 7 wherein the data structure is modified based on a network condition.

12. The wireless packet access network of claim 11 wherein the network condition comprises the response time of the selected core packet network access point.