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3GPP Glossaries:  Interfaces / Reference Points

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|  H  |  H1  |  H2  |  H3  |  HGi  |  HTTP‑1  |  HTTP‑2  |  HTTP‑3  |  Hv  |

 

H

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between  HLR
and  AuC

specified from  GSM Rel-96
Source:   TS 23.002, clause 6.4.3.2 

When an HLR receives a request for authentication and ciphering data for a Mobile Subscriber and it does not hold the requested data, it requests it from the AuC via the H-interface, stores it and delivers it to the VLR and SGSN and MME which need them to perform the security functions for a mobile station.

The protocol used to transfer the data over this interface is not standardized.


H1

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between  UE
and  HA

specified from  Rel-8
in  TS 23.327 

This is the reference point for signalling and user data transfer between UE and HA. H1 may be transported over IP connectivity provided by I-WLAN or 3GPP access system. The H1 should be a subset of S2c.


H2   (Diameter)

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between  HA
and  3GPP AAA Server / Proxy

specified from  Rel-8
in  TS 23.327 

This reference point defines the interface between HA and 3GPP AAA infrastructure (3GPP AAA server or 3GPP AAA proxy) and is used to transport authentication, authorization and charging-related information in a secure manner.

The H2 should be a subset of S6b.


H3

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between  AR (Access Router)
and  HA

specified from  Rel-8
in  TS 23.327 

This is the IP transport reference point to carry the end-to-end UE-HA signalling and user data between Access Router and HA. Since there is no direct signalling messages between these two entities this is simple IP transport reference point, which does not require additional specification.


HGi

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between  HA
and  PDN (Packet Data Network)

specified from  Rel-8
in  TS 23.327 

This reference point defines the interface from the HA to external PDN.

The HGi should be a subset of SGi.


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between  MC HTTP client
and  MC HTTP proxy

specified from  Rel-14  in
TS 23.280, clause 7.5.3.5 

Between the MC service UE and the HTTP proxy, the HTTP-1 reference point shall use the Ut reference point (with necessary enhancements to support specific MC service requirements). The HTTP-1 reference point is based on HTTP (which may be secured using e.g. SSL, TLS).


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between  MC HTTP proxy
and  MC HTTP server

specified from  Rel-14  in
TS 23.280, clause 7.5.3.6 

The HTTP-2 reference point is based on HTTP (which may be secured using e.g. SSL, TLS).


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between  MC HTTP proxy
and  MC HTTP proxy

specified from  Rel-14  in
TS 23.280, clause 7.5.3.7 

The HTTP-3 reference point is based on HTTP (which may be secured using e.g. SSL, TLS).


Hv   (MAP)

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between  CSS
and  VLR

specified from  Rel-11
Source:   TS 23.002, clause 6.4.1.10 

This reference point is used to transfer to the VLR the CSG subscription information stored in the VPLMN for roaming UEs.

Signalling on this interface uses the Mobile Application Part (MAP), which in turn uses the services of Transaction Capabilities (TCAP) (see TS 29.002).



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