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Content for  TS 23.434  Word version:  19.3.0

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6.5 Reference points description  6.5.1 General reference point principle  6.5.2 Application plane  6.5.2.1 General  6.5.2.2 VAL-UU  6.5.2.3 VAL-PC5  6.5.2.4 SEAL-UU  6.5.2.5 SEAL-PC5  6.5.2.6 SEAL-C  6.5.2.7 SEAL-S  6.5.2.8 SEAL-E  6.5.2.9 SEAL-X  6.5.2.9.1 General  6.5.2.9.2 Reference point SEAL-X1 (between the key management server and the group management server)  6.5.2.9.3 Reference point SEAL-X2 (between the group management server and the location management server)  6.5.2.9.4 Reference point SEAL-X3 (between the group management server and the configuration management server)  6.5.2.10 Reference point VAL-UDB (between the VAL user database and the SEAL server) 
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6.5  Reference points description  p. 37

6.5.1  General reference point principle  p. 37

The protocols on any reference point that is exposed for VAL service interoperability with other SIP core or other IMS entities in other systems shall be compatible with the protocols defined for the corresponding reference point defined in TS 23.002.

6.5.2  Application plane  p. 37

6.5.2.1  General  p. 37

The reference points for the generic functional model for SEAL are described in the following subclauses.

6.5.2.2  VAL-UU  p. 37

The interactions related to vertical application layer support functions between VAL client and VAL server are supported by VAL-UU reference point. This reference point is an instance of Uu reference point as described in TS 23.401 and TS 23.501.

6.5.2.3  VAL-PC5  p. 38

The interactions related to vertical application layer support functions between the VAL clients of two UEs are supported by VAL-PC5 reference point. This reference point is an instance of PC5 reference point as described in TS 23.303.

6.5.2.4  SEAL-UU  p. 38

The interactions between a SEAL client and the corresponding SEAL server are generically referred to as SEAL-UU reference point. The specific SEAL service reference point corresponding to SEAL-UU is specified in the specific SEAL service functional model.

6.5.2.5  SEAL-PC5  p. 38

The interactions between the SEAL clients of two VAL UEs are generically referred to as SEAL-PC5 reference point. The specific SEAL service reference point corresponding to SEAL-PC5 is specified in the specific SEAL service functional model.

6.5.2.6  SEAL-C  p. 38

The interactions between the VAL client(s) and the SEAL client(s) within a VAL UE are generically referred to as SEAL-C reference point. The specific SEAL service reference point corresponding to SEAL-C is specified in the specific SEAL service functional model.

6.5.2.7  SEAL-S  p. 38

The interactions between the VAL server and the SEAL server are generically referred to as SEAL-S reference point. The specific SEAL service reference point corresponding to SEAL-S is specified in the specific SEAL service functional model.

6.5.2.8  SEAL-E  p. 38

The interactions between the SEAL servers of the same type are generically referred to as SEAL-E reference point. The specific SEAL service reference point corresponding to SEAL-E is specified in the specific SEAL service functional model.

6.5.2.9  SEAL-X  p. 38

6.5.2.9.1  General  p. 38
The interactions between the SEAL servers of different type are generically referred to as SEAL-X reference point. The specific SEAL server interactions corresponding to SEAL-X are described in the following subclauses.
6.5.2.9.2  Reference point SEAL-X1 (between the key management server and the group management server)  p. 38
The SEAL-X1 reference point, which exists between the key management server and the group management server, provides a means for the key management server to provide security related information (e.g. encryption keys) to the group management server.
The SEAL-X1 reference point shall use the HTTP-1 and HTTP-2 reference points and may use the HTTP-3 reference point for transport and routing of security related information to the group management server.
6.5.2.9.3  Reference point SEAL-X2 (between the group management server and the location management server)  p. 39
The SEAL-X2 reference point enables the group management server to interact with the location management server.
The SEAL-X2 reference point supports:
  • the group management server to create a location-based group with the help from the location management server.
6.5.2.9.4  Reference point SEAL-X3 (between the group management server and the configuration management server) |R18|  p. 39
The SEAL-X3 reference point enables the group management server to interact with the configuration management server.
The SEAL-X3 reference point supports:
  • the group management server to retrieve VAL service data from the configuration management server.

6.5.2.10  Reference point VAL-UDB (between the VAL user database and the SEAL server)  p. 39

The VAL-UDB reference point, which exists between the VAL user database and the SEAL server, is used for:
  • storing the user profile data in the specific VAL user database; and
  • obtaining the user profile from the specific VAL user database for further configuration in the UE;
  • updating the user profile data in the specific VAL user database; and
  • deleting the user profile data from the specific VAL user database.

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