Content for TS 23.434 Word version: 19.3.0

0… 4… 5 6… 6.4… 6.5… 6.5.3… 7… 8… 8.2.2… 9… 9.3… 9.3.2.21… 9.3.3… 9.3.6… 9.3.11… 9.3.13… 9.3.14… 9.4… 9.4.6… 9.5… 10… 10.3… 10.3.2.22… 10.3.3… 10.3.7… 10.3.10… 10.4… 11… 11.3… 11.3.3… 11.4… 12… 12.3… 13… 14… 14.2.2.2… 14.3… 14.3.2.20… 14.3.2.40… 14.3.3… 14.3.3.3… 14.3.4… 14.3.4.6 14.3.4.7… 14.3.4A… 14.3.4A.3… 14.3.4A.4… 14.3.4A.6… 14.3.4A.8… 14.3.4A.9… 14.3.4A.10… 14.3.5… 14.3.6… 14.3.9… 14.3.12… 14.4… 15… 16… 17… 18… A B…

10.3.2.22 Subscribe group configuration request p. 123

Table 10.3.2.22-1 describes the information flow subscribe group configuration request from the group management client to the group management server.

Table 10.3.2.22-1: Subscribe group configuration request

Information Element	Status	Description
Requester Identity	M	The identity of the group management client performing the request.
VAL group ID	M	VAL group ID of the group.
VAL services requested (see NOTE)	O	Service(s) for which group configuration is requested.
Notification target URI	M	Target URI where the group management client performing the request will receive the notifications.
Minimum time between consecutive notifications	O	Defaults to 0 if not provided, otherwise indicates the minimum time interval between consecutive notifications.
NOTE: If 'VAL services requested' is not present, group configuration is requested for all services defined for the VAL group

10.3.2.23 Subscribe group configuration response p. 123

Table 10.3.2.23-1 describes the information flow subscribe group configuration response from the group management server to the group management client.

Table 10.3.2.23-1: Subscribe group configuration response

Information Element	Status	Description
VAL group ID	M	VAL group ID of the group
Result	M	Indicates the success or failure for the result

10.3.2.24 Notify group configuration request p. 124

Table 10.3.2.24-1 describes the information flow notify group configuration request from the group management server to the group management client.

Table 10.3.2.24-1: Notify group configuration request

Information Element	Status	Description
Requester Identity	M	The identity of the group management server performing the request
VAL group ID	M	VAL group ID of the group
VAL group information reference (see NOTE)	O	Reference to information stored relating to the VAL group
Group related key material (see NOTE)	O	Key material for use with the VAL group
NOTE: At least one of these information elements shall be present.

10.3.2.25 Notify group configuration response p. 124

Table 10.3.2.25-1 describes the information flow notify group configuration response from the group management client to the group management server.

Table 10.3.2.25-1: Notify group configuration response

Information Element	Status	Description
VAL group ID	M	VAL group ID of the group
Result	M	Indicates the success or failure for the result

10.3.2.26 Configure VAL group request p. 124

Table 10.3.2.26-1 describes the information flow for configure VAL group request from a VAL server to a group management server.

Table 10.3.2.26-1: Configure VAL group request

Information Element	Status	Description
Requester Identity	M	The identity of the VAL server performing the request
VAL group ID	M	The group ID used for the VAL group
VAL group description (see NOTE 2)	M	Information related to the VAL group e.g. group definition including communication type, policy, group size, group leader.
VAL service ID list (see NOTE 1)	O	List of VAL services whose service communications are to be enabled on the group
Geo ID list (see NOTE 1)	O	List of geographical areas to be addressed by the group
Identity list (see NOTE 1)	O	List of VAL UE IDs who are invited to be member of the group
Identity list subscription	O	Indicates interest to receive notifications of newly registered or de-registered VAL UE IDs
NOTE 1: At least one of these IEs shall be present. NOTE 2: Group communication type may indicate 5G LAN-Type communication using either Ethernet or IP (IPv4 and/or IPv6) transport.

10.3.2.27 Configure VAL group response p. 124

Table 10.3.2.27-1 describes the information flow for configure VAL group response from group management server to a VAL server.

Table 10.3.2.27-1: Configure VAL group response

Information Element	Status	Description
Result	M	The result of the configure VAL group operation
Subscription result	O (see NOTE)	Indicates whether subscription to receive notifications of newly registered or de-registered VAL UE IDs is successful or not
NOTE: Shall be present only if there is a subscription in the configure VAL group request and successful.

10.3.2.28 Group announcement p. 125

Table 10.3.2.28-1 describes the information flow for a group management server to announce a VAL group to the group management clients.

Table 10.3.2.28-1: Group announcement

Information Element	Status	Description
VAL group ID	M	The group ID used for the VAL group
VAL group description (see NOTE 3)	M	Information related to the VAL group e.g. group definition including communication type and connection parameters, policy, group size, group leader.
VAL service ID list (see NOTE 1)	O	List of VAL services whose service communications are to be enabled on the group
Geo ID list (see NOTE 1)	O	List of geographical areas to be addressed by the group.
Identity list (see NOTE 1, NOTE 2)	O	List of VAL UE IDs who are invited to be member of the group.
NOTE 1: At least one of these IEs shall be present. NOTE 2: This element is not present if it results in privacy concerns. NOTE 3: Group communication type may indicate 5G LAN-Type communication using either Ethernet or IP (IPv4 and/or IPv6) transport. Group connection parameters may include DNN and S-NSSAI.

10.3.2.29 Group registration request p. 125

Table 10.3.2.29-1 describes the information flow for a group management client to register to a VAL group in response to a group announcement from the group management server. Message filters for throttling messages and notifications is included in this request e.g. for limiting message exchange on a constrained UE, for receiving only improtant group communication.

Table 10.3.2.29-1: Group registration request

Information Element	Status	Description
VAL UE ID	M	Identity of the VAL UE registering to the VAL group
VAL Group ID	M	The group ID to be registered by the VAL UE for the VAL group
Identity list subscription	M	Indicates interest to receive notifications of newly registered or de-registered VAL UE IDs
Message filters	O	Group message communication will be sent to the VAL UE after applying message filters as described in Table 10.3.2.29-2.

Table 10.3.2.29-2: Message filters

Information Element	Status	Description
Identities	O	List of VAL UE identities whose messages will be send to the VAL UE being registered
Max number of messages (see NOTE 1)	O	Total number of messages allowed to be sent to the VAL UE in a given time frame as defined by the VAL service.
Time frame	O	Time frame associated to Max number of messages IE
Message Types (see NOTE 2)	O	List of message types which will be sent to the VAL UE being registered (e.g. high priority messages, or group configuration messages, etc.).
NOTE 1: Specifying value for max number of messages is outside the scope of SEAL and up to the implementation of a particular Vertical requirement. NOTE 2: Message types are as decided by the specific Vertical.

10.3.2.30 Group registration response p. 126

Table 10.3.2.30-1 describes the information flow for a group management server to respond for a group registration request from the group management client.

Table 10.3.2.30-1: Group registration response

Information Element	Status	Description
Result	M	Result from the VAL server in response to VAL group registration request indicating success or failure
Subscription result	M	Indicates whether subscription to receive notifications of newly registered or de-registered VAL UE IDs is successful or not

10.3.2.31 Identity list notification p. 126

Table 10.3.2.31-1 describes the information flow identity list notification from the group management server to the group management client.

Table 10.3.2.31-1: Identity list notification

Information Element	Status	Description
VAL group ID	M	Identity of the VAL group
Identity list	M	List of VAL UE IDs who are newly registered or de-registered members of the group

Table 10.3.2.31-2 describes the information flow identity list notification from the group management server to the VAL server.

Table 10.3.2.31-2: Identity list notification

Information Element	Status	Description
VAL group ID	M	Identity of the VAL group
Identity list	M	List of VAL UE IDs who are newly registered or de-registered members of the group
Message filters list	O	List of Message filters per VAL UE ID who are newly registered.

10.3.2.32 Group de-registration request p. 127

Table 10.3.2.32-1 describes the information flow for a group management client to de-register to a VAL group.

Table 10.3.2.32-1: Group de-registration request

Information Element	Status	Description
VAL UE ID	M	Identity of the VAL UE de-registering to the VAL group
VAL Group ID	M	The group ID to be de-registered by the VAL UE for the VAL group

10.3.2.33 Group de-registration response p. 127

Table 10.3.2.33-1 describes the information flow for a group management server to respond for a group de-registration request from the group management client.

Table 10.3.2.33-1: Group de-registration response

Information Element	Status	Description
Result	M	Result from the group management server in response to VAL group de-registration request indicating success or failure

10.3.2.34 Location-based group creation request p. 127

Table 10.3.2.34-1 describes the information flow location-based group creation request from the group management client or VAL server to the group management server.

Table 10.3.2.34-1: location-based group creation request

Information Element	Status	Description
Requester Identity	M	The identity of the group management client or VAL server performing the request.
Location criteria	M	Criteria to combine Users or UEs in a location (e.g. geographical area or VAL service area ID).
VAL service ID list (see NOTE 1)	O	List of VAL services whose service communications are to be enabled on the group.
VAL service specific information (see NOTE 2)	O	Placeholder for VAL service specific information.
NOTE 1: This information element shall be included in the message for creating a group configured for multiple VAL services. NOTE 2: The details of this information element are specified in VAL service specific specification and are out of scope of the present document.

10.3.2.35 Location-based group creation response p. 127

Table 10.3.2.35-1 describes the information flow location-based group creation response from the group management server to the group management client or VAL server.

Table 10.3.2.35-1: Location-based group creation response

Information Element	Status	Description
VAL group ID	M (see NOTE)	VAL group ID of the group
Result	M	Indicates the success or failure for the operation
NOTE: If the Result information element indicates failure then the value of VAL group ID information element has no meaning.

10.3.2.36 Group list fetch request p. 128

Table 10.3.2.36-1 describes the information flow for Group list fetch request from the group management client to the group management server.

Table 10.3.2.36-1: Group list fetch request

Information Element	Status	Description
Identity	M	The identity of the VAL UE or VAL User performing the operation.
Period	O	Indicates to the group management server to provide list of the groups created between specified period.

10.3.2.37 Group list fetch response p. 128

Table 10.3.2.37-1 describes the information flow for Group list fetch response from the group management server to the group management client.

Table 10.3.2.37-1: Get group list fetch response

Information Element	Status	Description
Result	M	Result from the group management server in response to group list fetch request indicating success or failure
VAL group IDs	M	The list of VAL groups for which the VAL User is a member

10.3.2.38 Temporary group formation request |R17| p. 128

Table 10.3.2.38-1 describes the information flow for the temporary group formation request from the group management client to the group management server.

Table 10.3.2.38-1: Temporary group formation request

Information Element	Status	Description
VAL group ID list	M	List of VAL group IDs to be combined
VAL service list (see NOTE)	O	A subset of the common VAL service(s) to be applied for the temporary group
NOTE: If this information element is not present, all the VAL service(s) that are common to the groups being combined will be applicable for the temporary group.

10.3.2.39 Temporary group formation response |R17| p. 128

Table 10.3.2.39-1 describes the information flow for the temporary group formation response from the group management server to the group management client.

Table 10.3.2.39-1: Temporary group formation response

Information Element	Status	Description
VAL group ID	O (see NOTE)	VAL group ID of the temporary group
VAL service list	O	List of VAL services whose service communications are to be enabled on this temporary group
Result	M	Indicates the success or failure of temporary group formation.
NOTE: Shall be present if the Result information element indicates that the temporary group formation operation is successful. Otherwise VAL group ID shall not be present.

10.3.2.40 Temporary group formation notify |R17| p. 129

Table 10.3.2.40-1 describes the information flow temporary group formation notify from the group management server to the VAL server.

Table 10.3.2.40-1: Temporary group formation notify

Information Element	Status	Description
VAL group ID list	M	List of constituent VAL group IDs
VAL group ID	M	VAL group ID of the temporary group
VAL service list	O	List of VAL services whose service communications are to be enabled on this temporary group.

10.3.2.41 Temporary group formation notification |R17| p. 129

Table 10.3.2.41-1 describes the information flow temporary group formation notification from the group management server to the group management client.

Table 10.3.2.41-1: Temporary group formation notification

Information Element	Status	Description
VAL group ID list	M	List of constituent VAL group IDs
VAL group ID	M	VAL group ID of the temporary group

10.3.2.42 Temporary group formation notification response |R17| p. 129

Table 10.3.2.42-1 describes the information flow temporary group formation notification response from the group management client to the group management server.

Table 10.3.2.42-1: Temporary group formation notification response

Information Element	Status	Description
VAL group ID	M	VAL group ID of the temporary group

10.3.2.43 Unsubscribe group configuration request |R17| p. 129

Table 10.3.2.43-1 describes the information flow from a group management client to a group management server for unsubscribe group configuration request.

Table 10.3.2.43-1: Unsubscribe group configuration request

Information element	Status	Description
Requester Identity	M	The identity of the group management client performing the request.
VAL group ID	M	VAL group ID of the group.

10.3.2.44 Unsubscribe group configuration response |R17| p. 129

Table 10.3.2.44-1 describes the information flow from a group management server to a group management client for unsubscribe group configuration response.

Table 10.3.2.44-1: Unsubscribe group configuration response

Information element	Status	Description
Result	M	Indicates the success or failure of the unsubscribe operation.

10.3.2.45 Group configuration subscription update request |R17| p. 130

Table 10.3.2.45-1 describes the information flow from the group management client to the group management server for group configuration subscription update request.

Table 10.3.2.45-1: Group configuration subscription update request

Information element	Status	Description
Requester Identity	M	The identity of the group management client performing the request.
VAL group ID	M	VAL group ID of the group.
VAL services requested (see NOTE)	O	Service(s) for which group configuration is requested.
Notification target URI	O	Target URI where the group management client performing the request will receive the notifications.
Minimum time between consecutive notifications	O	Defaults to 0 if not provided, otherwise indicates the minimum time interval between consecutive notifications.
NOTE: If 'VAL services requested' is not present, group configuration is requested for all services defined for the VAL group.

10.3.2.46 Group configuration subscription update response |R17| p. 130

Table 10.3.2.46-1 describes the information flow from the group management server to the group management client for group configuration subscription update response.

Table 10.3.2.46-1: Group configuration subscription update response

Information element	Status	Description
Result	M	Indicates the success or failure of the operation.