Ericsson Cloud Core Resource Controller

Cloud Core Resource Controller is the commercial realization of the 3GPP Network Functions NSSF and NRF

Cloud Core Resource Controller (CCRC) provides resource control in the network in an automated way, where resources include NFs, NF services and slices, with the purpose to maximize efficiency and reduce OPEX (ease of use, automation) and CAPEX (cost effective network), via an efficient implementation of NSSF and NRF in a single cloud native product allowing easy interworking with EPC and via a number of added-value features beyond 3GPP standard.

NRF supports Service Discovery function. NRF maintains the NF profile of available NF instances and their supported services, which it receives from NFs during registration procedure. NRF functionality removes the need for network configuration every time a new NF is added/removed from the network , or every time NF capacity is updated due to scale-in or scale-out, and by that it greatly reduces operational costs for operators.

NSSF is defined in 3GPP as the network function responsible to dynamically place a UE on the most suitable slice according to operators defined policies. CCRC provides a policy based realization of NSSF enabling the implementation of the operator policies for network slicing in real time based on NSSF user and network context awareness.

Benefit

Automated networks to reduce network configuration costs

NRF functionality removes the need for network configuration every time a new NF is added/removed from the network , or every time NF capacity is updated due to scale-in or scale-out

Policy based NSSF implemation enables more intelligent Network Slice Instance selection decisions based on slice load,  UE information, or closed loops.

Ease of use to reduce the operating costs

Ericsson Core Policy Studio provides one single point of touch for policy management in policy and slice control functions

Deployment flexibility and efficiency

NSSF Network Slice Instance selection provides a very flexible mechanism for deployment on NFs adapted to customer’s needs (i.e RAN resources allocation, AMF/SMF/UPF selection)

Hierarchical NRF deployment allowing NRF deployed per region or per slice and a central NRF as bridge to support the across Slice, Region, PLMN discovery

Most flexible policy engine. More than 5000 policies without new coding need

Increased network resilience

NRF supports internal overload protection and load regulation mechanisms, to secure availability under all conditions, as well as implements mechanisms to protect the network from overload.