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3GPP Glossaries

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Interfaces / Reference Points

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|   Ua   |   Ub   |   Ud   |   Uh   |   Um   |   Up   |   Upa   |   Ut   |   Uu   |

 


between  UE  and  NAF

specified from  Rel-6
Source:   TS 33.220, clause 4.3.2 

This reference point carries the application protocol, which is secured using the keys material agreed between UE and BSF as a result of the run of HTTP Digest AKA over reference point Ub.

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between  UE  and  BSF

specified from  Rel-6
Source:   TS 33.220, clause 4.3.1 

This reference point provides mutual authentication between the UE and the BSF. It allows the UE to bootstrap the session keys based on 3GPP AKA infrastructure.

The HTTP Digest AKA protocol, which is specified in RFC 3310, is used on the reference point Ub. It is based on the 3GPP AKA TS 33.102 protocol. The interface to the USIM is as specified in TS 31.102 and to the ISIM is as specified in TS 31.103.

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between  Application Front Ends  and  UDR

specified from  Rel-9
Source:   TS 23.002, clause 6a.15.1 

The details for this reference point are described in TS 23.335 and TS 29.335.

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between  UE  and  CSG List Server

specified from  Rel-9
Source:   TS 23.002, clause 6.4.4.25 

This reference point is used to provision the Allowed CSG list and the Operator CSG list subscription information to the mobile station via OMA DM or OTA. This interface is specified in TS 24.285 for OMA DM and in TS 31.102 for OTA.

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between  MS  and  BSS

specified from  GSM Rel-96
Source:   TS 23.002, clause 6a.3.7 

The interface is specified in the TS 44-series and TS 45-series.

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between  MS  and  GANC

specified from  Rel-6
Source:   TS 43.318 

The Up interface between the GANC and the MS through a generic IP access network is defined for the GAN A/Gb mode architecture, as well as the GAN Iu mode architecture.

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between  UE  and  NAF

specified from  Rel-8
Source:   TS 33.223, clause 4.3.5 

The requirements for reference point Upa are:
  • The UE shall be able to validate that the GPI comes from an authorized source (BSF) based on AKA
    Note:
    The Push-NAF is indirectly authenticated by its knowledge of Ks(_ext/int)_NAF (i.e. BSF has authenticated the NAF).
  • The UE shall be able to determine the UICC (USIM/ISIM) application used for bootstrapping.
  • The NAF and the UE shall be able to establish a shared NAF SA.
  • The NAF shall be able to send NAF SA identifier information.
  • the BSF shall be able to indicate to the UE the lifetime of the key material. The key lifetime sent by the BSF over Upa shall indicate the expiry time of the key.

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between  UE  and  SIP AS

specified from  Rel-6
Source:   TS 23.002, clause 6a.7.18 

This interface enables the user to manage information related to his services. Such as creation and assignment of Public Service Identities, management of authorization policies that are used e.g. by Presence service, conference policy management, etc.

The AS may need to exhibit security related functions for the Ut interface, the details of these security functions are described in TS 33.222.

For the protocol at the Ut reference point, HTTP shall be supported.

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between  UE  and  RNS

specified from  Rel-3
Source:   TS 23.002, clause 6a.3.9 

The interface is specified in the TS 24-series and TS 25-series.

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