US 11,799,675 B2
Methods to update PFD rules for applications and related network nodes
Esperanza Alonso Franco, Madrid (ES); Miguel Angel Puente Pestaña, Madrid (ES); Maria Luisa Mas Rosique, Tres Cantos (ES); and Miguel Angel Muñoz De La Torre Alonso, Madrid (ES)
Assigned to TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), Stockholm (SE)
Appl. No. 16/972,890
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
PCT Filed Jul. 19, 2018, PCT No. PCT/IB2018/055401
§ 371(c)(1), (2) Date Dec. 7, 2020,
PCT Pub. No. WO2019/234481, PCT Pub. Date Dec. 12, 2019.
Claims priority of application No. 18382408 (EP), filed on Jun. 8, 2018.
Prior Publication US 2021/0250192 A1, Aug. 12, 2021
Int. Cl. H04L 12/14 (2006.01); H04L 45/302 (2022.01); H04L 45/00 (2022.01); H04L 47/2441 (2022.01); H04L 47/2483 (2022.01); H04M 15/00 (2006.01); H04W 4/24 (2018.01); H04W 24/08 (2009.01); H04W 40/02 (2009.01)
CPC H04L 12/1407 (2013.01) [H04L 45/306 (2013.01); H04L 45/34 (2013.01); H04L 47/2441 (2013.01); H04L 47/2483 (2013.01); H04M 15/66 (2013.01); H04W 4/24 (2013.01); H04W 24/08 (2013.01); H04W 40/02 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A method of operating a first network node of a wireless communication network, the method comprising:
receiving a request from a second network node to activate packet flow descriptor, PFD, extraction with respect to a session for a wireless device;
receiving application traffic for the wireless device, wherein an address is provided to route the application traffic;
determining an application identifier for the address responsive to the address for the application traffic being unknown to the first network node; and
transmitting a PFD notification to the second network node, wherein the PFD notification includes the application identifier.