UPF Insights | Sumble

What is UPF?

UPF typically refers to User Plane Function in the context of 5G mobile networks. It is a crucial component of the 5G core network architecture, responsible for handling user data traffic. The UPF performs functions such as packet routing and forwarding, policy enforcement, traffic usage reporting, and QoS (Quality of Service) handling. It essentially acts as the gateway between the radio access network (RAN) and the data network, ensuring efficient and reliable data delivery for users.

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What other technologies are related to UPF?

UPF Competitor Technologies

PGW

The Packet Gateway is a user plane function in 4G. UPF is the 5G equivalent, so it is a competitor.

mentioned alongside UPF in 28% (202) of relevant job posts

ePDG

The evolved Packet Data Gateway provides secure access to the evolved packet core (EPC) for untrusted non-3GPP access networks. UPF can perform similar functions in 5G.

mentioned alongside UPF in 42% (107) of relevant job posts

SGW

The Serving Gateway is a user plane function in 4G. UPF replaces SGW functionality in 5G.

mentioned alongside UPF in 26% (130) of relevant job posts

UPF Complementary Technologies

AMF

The Access and Mobility Management Function (AMF) is a control plane function in 5G Core. It works closely with UPF for mobility management and access control.

mentioned alongside UPF in 66% (416) of relevant job posts

SMF

The Session Management Function (SMF) is a control plane function in 5G Core, responsible for session management. It selects and controls the UPF.

mentioned alongside UPF in 22% (448) of relevant job posts

NSSF

The Network Slice Selection Function is a control plane function. Works with SMF to select appropriate network slice instances, including UPF.

mentioned alongside UPF in 61% (105) of relevant job posts