Ultra Cloud Core 5G Session Management Function, Release 2020.02 - Configuration and Administration Guide - Resource Management [Cisco Ultra Cloud Core - Session Management Function]

Resource Management

Feature Summary and Revision History

Table 1. Feature Summary
Applicable Product(s) or Functional Area	SMF
Applicable Platform(s)	SMI
Feature Default Setting	Enabled – Always-on
Related Changes in this Release	Not Applicable
Related Documentation	Not Applicable

Table 2. Revision History
Revision Details	Release
First introduced.	Pre-2020.02.0

The UE IP address and ID allocation and management (resource management) feature is used by the SMF service and supported by the NodeMgr.

The Master NodeMgr initializes the following in Redis-DB:

The NodeMgr hosts the resource management server functionality and exposes the APIs for:

IP allocation and management
- IP allocation
- IP release
- IP reallocation (release the current IP and allocate new IP for UE)
ID allocation and management
- ID allocation
- ID release
- ID reallocation (release the current ID and allocate new ID)

The SMF service runs the resource management client to use the Rmgr services.

The following call flow illustrates the IP and ID allocation.

The following call flow illustrates the IP and ID deallocation.