Throttling Support for Sx Establishment

When user-plane is in overload situation, cnSGW-C establishes throttling the Sx Establishment request message toward user-plane. This throttling avoids new calls (Low priority or non-emergency) towards the overloaded user-plane.

Throttling takes place as per the reported OCI values in percentage. Following actions takes place when throttling happens:

  • Random drop of percentage in reported Sx Establishment Request messages towards that user-plane.

  • Call drop occurs at cnSGW-C with sx_no_resource_available disconnect reason.

  • Respective statistics get incremented.