Content for TS 23.060 Word version: 16.0.0
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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 Word‑p. 68
Legend:
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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).
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User Datagram Protocol (UDP): This protocol transfers signalling messages between GSNs. UDP is defined in RFC 768 [39].
5.6.3.8 GGSN - HLR
This optional signalling path allows a GGSN to exchange signalling information with an HLR. There are two alternative ways to implement this signalling path:
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If an SS7 interface is installed in the GGSN, the MAP protocol can be used between the GGSN and an HLR.
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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.
5.6.3.8.1 MAP-based GGSN - HLR Signalling
Legend:
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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 Word‑p. 69
Legend:
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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.
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Interworking: This function provides interworking between GTP and MAP for GGSN HLR signalling.
5.6.3.9 S4-SGSN - HSS |R8|
Legend:
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Diameter Base+Apps: Diameter Base Protocol as defined in RFC 3588 [96]. The Apps are various Diameter Applications as necessary for the operation between SGSN and HSS.
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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 [35].
5.6.3.10 Gn/Gp-SGSN - CSS |R11| Word‑p. 70
Legend:
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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|
Legend:
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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 [96].
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Stream Control Transmission Protocol (SCTP): This protocol transfers signalling messages. SCTP is defined in RFC 4960 [35].
5.6.3.12 SGSN - RCAF (Iu mode) |R13| Word‑p. 71
Legend:
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Nq-AP: This application layer protocol supports the APN information retrieval procedure between the RCAF and the SGSN.
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Stream Control Transmission Protocol (SCTP): This protocol transfers signalling messages. SCTP is defined in RFC 4960 [35].
Editor's note: The protocol stack will be added once Stage 3 has selected the protocol type to use between S4-SGSN and RCAF. It is up to Stage 3 to decide whether the same or different protocols will be used for the Nq' interface to the Gn/Gp-SGSN and the S4-SGSN, respectively.
- 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 [39].
- 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.
5.6.3.8.1 MAP-based GGSN - HLR Signalling
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 Word‑p. 69
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.
- 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.
- Diameter Base+Apps: Diameter Base Protocol as defined in RFC 3588 [96]. 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 [35].
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|
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 [96].
- Stream Control Transmission Protocol (SCTP): This protocol transfers signalling messages. SCTP is defined in RFC 4960 [35].
5.6.3.12 SGSN - RCAF (Iu mode) |R13| Word‑p. 71
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 [35].
Editor's note: The protocol stack will be added once Stage 3 has selected the protocol type to use between S4-SGSN and RCAF. It is up to Stage 3 to decide whether the same or different protocols will be used for the Nq' interface to the Gn/Gp-SGSN and the S4-SGSN, respectively.
- 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 [35].
Editor's note: The protocol stack will be added once Stage 3 has selected the protocol type to use between S4-SGSN and RCAF. It is up to Stage 3 to decide whether the same or different protocols will be used for the Nq' interface to the Gn/Gp-SGSN and the S4-SGSN, respectively.
