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Content for  TS 23.060  Word version:  18.0.0

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5.6.3.7 Core Network Node - Core Network Node  5.6.3.8 GGSN - HLR  5.6.3.9 S4-SGSN - HSS  5.6.3.10 Gn/Gp-SGSN - CSS  5.6.3.11 S4-SGSN - CSS  5.6.3.12 SGSN - RCAF (Iu mode) 
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5.6.3.7  Core Network Node - Core Network Node  p. 68

Reproduction of 3GPP TS 23.060, Fig. 13: Control Plane for GTP-based Interfaces between Core Network Nodes
Figure 13: Control Plane for GTP-based Interfaces between Core Network Nodes
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Legend:
  • GPRS Tunnelling Protocol for the control plane (GTP-C): This protocol tunnels signalling messages between SGSNs and GGSNs (Gn or Gp), between SGSNs and S-GWs (S4), between S-GWs and P-GWs (S5 or S8) and between SGSNs in the backbone network (Gn or S16).
  • User Datagram Protocol (UDP): This protocol transfers signalling messages between GSNs. UDP is defined in RFC 768.

5.6.3.8  GGSN - HLR  p. 68

This optional signalling path allows a GGSN to exchange signalling information with an HLR. There are two alternative ways to implement this signalling path:
  • If an SS7 interface is installed in the GGSN, the MAP protocol can be used between the GGSN and an HLR.
  • If an SS7 interface is not installed in the GGSN, any GSN with an SS7 interface installed in the same PLMN as the GGSN can be used as a GTP-to-MAP protocol converter to allow signalling between the GGSN and an HLR.
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5.6.3.8.1  MAP-based GGSN - HLR Signalling  p. 68
Reproduction of 3GPP TS 23.060, Fig. 14: Control Plane GGSN - HLR Using MAP
Figure 14: Control Plane GGSN - HLR Using MAP
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Legend:
  • Mobile Application Part (MAP): This protocol supports signalling exchange with the HLR, as described in clause "Network-Requested PDP Context Activation Procedure".
5.6.3.8.2  GTP and MAP-based GGSN - HLR Signalling  p. 69
Reproduction of 3GPP TS 23.060, Fig. 15: Control Plane GGSN - HLR Using GTP and MAP
Figure 15: Control Plane GGSN - HLR Using GTP and MAP
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Legend:
  • GPRS Tunnelling Protocol for the control plane (GTP-C): This protocol tunnels signalling messages between the GGSN and the protocol-converting GSN in the backbone network.
  • Interworking: This function provides interworking between GTP and MAP for GGSN HLR signalling.

5.6.3.9  S4-SGSN - HSS |R8|  p. 69

Reproduction of 3GPP TS 23.060, Fig. 15a: Control Plane S4-SGSN - HSS
Figure 15a: Control Plane S4-SGSN - HSS
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Legend:
  • Diameter Base+Apps: Diameter Base Protocol as defined in RFC 3588. The Apps are various Diameter Applications as necessary for the operation between SGSN and HSS.
  • SCTP: This protocol guarantees delivery of upper layer packets between SGSN and the HSS with built-in redundancy scheme. SCTP is defined in RFC 4960.
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5.6.3.10  Gn/Gp-SGSN - CSS |R11|  p. 70

Reproduction of 3GPP TS 23.060, Fig. 5.6.3.10-1: Control Plane Gn/Gp-SGSN CSS
Figure 5.6.3.10-1: Control Plane Gn/Gp-SGSN CSS
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Legend:
  • Mobile Application Part (MAP): This protocol supports signalling between Gn/Gp-SGSN and CSS, as defined in clause "Mobility Management Functionality".

5.6.3.11  S4-SGSN - CSS |R11|  p. 70

Reproduction of 3GPP TS 23.060, Fig. 5.6.3.11-1: Control Plane S4-SGSN-CSS
Figure 5.6.3.11-1: Control Plane S4-SGSN-CSS
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Legend:
  • Diameter: This protocol supports signalling messages between S4-SGSN and CSS (S7d), as described in clause "Mobility Management Functionality". Diameter is defined in RFC 3588.
  • Stream Control Transmission Protocol (SCTP): This protocol transfers signalling messages. SCTP is defined in RFC 4960.
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5.6.3.12  SGSN - RCAF (Iu mode) |R13|  p. 71

Reproduction of 3GPP TS 23.060, Fig. 5.6.3.12-1: Control Plane SGSN-RCAF
Figure 5.6.3.12-1: Control Plane SGSN-RCAF
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Legend:
  • Nq-AP: This application layer protocol supports the APN information retrieval procedure between the RCAF and the SGSN.
  • Stream Control Transmission Protocol (SCTP): This protocol transfers signalling messages. SCTP is defined in RFC 4960.
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