S5/S8 Interface

S5/8 interface is between the SGW and PGW.

Overview

S5/8 interface is between the SGW and PGW. It uses GTP V2 over UDP transport protocol.

Network Diagram

Messages

  • Create Session Request/Response
  • Modify Session Request/Response
  • Delete Session Request/Response

Call Flows

Standards

  • 3GPP TS 29.274