Cisco Cisco ASR 5000
SGSN Serving Radio Network Subsystem Relocation
▀ How it Works
▄ SGSN Administration Guide, StarOS Release 18
S4-SGSN SRNS Relocation Call Flow Diagrams
This section provides call flow diagrams for the following S4-SGSN SRNS relocation scenarios:
Inter-S4-SGSN SRNS Relocation without SGW Relocation
Inter-S4-SGSN Relocation with SGW Relocation
Intra-S4-SGSN SRNS Relocation without SGW Relocation
Inter-S4-SGSN Relocation with SGW Relocation
S4-SGSN E-UTRAN to UTRAN Connected Mode Handover without SGW Relocation
S4-SGSN UTRAN to E-UTRAN Connected Mode Handover with SGW Relocation Call Flow
S4-SGSN Inter-SGSN SRNS Relocation with Hard Handover and SGW Relocation