User plane function selection based on per subscriber CPU and memory footprint for packet inspection
AssigneeTelefonaktiebolaget LM Ericsson (publ)
InventorsJulian Espinosa Santos, Rodrigo Alvarez Dominguez, Miguel Angel Muñoz De La Torre Alonso
Life of this patent
Estimating the term…
Abstract
Techniques are provided to enable the SMF or other network node performing UPF selection to determine a computational resource demand, also referred to herein as the computational footprint, associated with a PDU session. The computational footprint can then be used by the SMF or other network node to inform the selection of the UPF.
Claims24
A method implemented by a network node in a wireless communication network to support selection of a user plane function (UPF) by a session management function (SMF) for a packet data session, the method comprising:
- collecting one or more inspection parameters associated with packet inspection for a subscriber, a service, or both, for determining a per subscriber and/or or per service computational footprint associated with the packet inspection, wherein the computational footprint is indicative of the computational resources needed to perform packet inspection for one or more traffic flows included in the packet data session;
- and
- sending the inspection parameters to another network node.
A method implemented by a network node in a wireless communication network to support selection of a user plane function (UPF) by a session management function (SMF) for a packet data session, the method comprising:
- receiving one or more inspection parameters associated with packet inspection for a subscriber, a service, or both;
- computing a per subscriber and/or or per service computational footprint associated with packet inspection for the subscriber, the service, or both, based on the received packet inspection parameters, wherein the computational footprint is indicative of the computational resources needed to perform packet inspection for one or more traffic flows included in the packet data session;
- and
- making the computational footprint for the subscriber, the service, or both, available to a session management function for use in UPF selection.
A method implemented by a session management node in a wireless communication network of selecting a user plane function (UPF) for a packet data session, the method comprising:
- receiving a request to create a packet data session for a user equipment (UE);
- responsive to the request to create a packet data session, obtaining session management subscription data including a per subscriber and/or or per service computational footprint indicative of the computational resources needed to perform packet inspection for one or more traffic flows included in the packet data session;
- and
- selecting a user plane function for the packet data session based at least in part on the computational footprint for packet inspection.
Dependencies are inferred from the claim text.