Requester Identity

M

The identity of the VAL server performing the request.

List of VAL UE IDs

O

(see NOTE)

List consisting of one or more VAL UE IDs for whom the network resource adaptation occurs.

VAL group ID

O

(see NOTE)

The VAL group ID for whom the network resource adaptation occurs.

Resource adaptation requirement

M

The resource adaptation requirement corresponds to the VAL service QoS requirements as applied for a UE or group of UEs (E.g. bandwidth, resource).

NOTE: Either of the information elements should be present.

Result

M

Result includes success or failure of the network resource adaptation with the underlying network. The response can also include an updated value for some of the parameters included in the network resource adaptation request (e.g. negotiation of resource offering)

TMGI

M

TMGI information

Alternative TMGI

O

A list of additional alternative TMGI may be included and used in roaming scenarios.

QCI

O

QCI information used by the ProSe UE-Network Relay to determine the ProSe Per-Packet Priority value to be applied for the multicast packets relayed to Remote UE over PC5

List of service area identifier

M

A list of service area identifier for the applicable MBMS broadcast area.

Frequency

O

Identification of frequency if multi carrier support is provided

SDP information

M

SDP with media and application control information applicable to groups that can use this bearer (e.g. codec, protocol id, FEC information)

Monitoring state

O

The monitoring state is used to control if the client is actively monitoring the MBMS bearer quality or not.

Announcement acknowledgment

O

Indicate if the NRM server requires an acknowledgement of the MBMS bearer announcement.

Unicast status

O

An indication that the listening status of the unicast bearer is requested.

ROHC information

O

Indicate the usage of ROHC and provide the parameters of the ROHC channel to signal to the ROHC decoder.

NOTE: When MBMS bearer announcement is done on a MBMS bearer all attributes above are optional except the TMGI.

VAL user ID or VAL UE ID

M

The identity of the VAL user or VAL UE who wants to report the MBMS listening status.

TMGI(s)

M

TMGI(s) information.

MBMS listening status(s)

M

The MBMS listening status per TMGI.

MBMS reception quality level

O

The reception quality level per TMGI (see NOTE)

Unicast listening status

O

The unicast listening status.

NOTE: The set of quality levels helps service continuity in MBMS scenarios. A reception quality level may help to make an efficient switching decision to another bearer. How these levels are used is implementation specific.

VAL user ID or VAL UE ID

M

The identity of the VAL user or VAL UE.

Suspension reporting

M

Enables or disable the suspension reporting for a specific NRM client

Suspension reporting client subset

M

Contains a uniquely defined subset of NRM clients that shall report MBMS suspension

Requester Identity

M

The identity of the VAL server performing the request.

VAL user ID or VAL UE ID

M

The identity of the VAL user or VAL UE.

VAL service requirement information (see NOTE)

O

VAL service requirements for unicast resource (e.g. VAL service ID, Bitrate)

NOTE: When this information element is not included, the NRM server considers default VAL service requirement for the unicast resources.

Result

M

The result indicates success or failure of the resource request operation.

Requester Identity

M

The identity of the VAL server performing the request.

VAL user ID or VAL UE ID

M

The identity of the VAL user or VAL UE.

VAL service requirement information

M

VAL service requirements for unicast resource (e.g. VAL sevice ID, Bitrate)

Result

M

The result indicates success or failure of the resource modification operation.

Requester Identity

M

The identity of the VAL server performing the request.

VAL group ID

M

The identity of the group that the MBMS bearer is requested for.

Service announcement mode

M

Indicates whether the request is sent by NRM server or by the VAL server

QoS

M

Indicates the requested QoS for the bearer

Broadcast area

O

Indicate the area where the MBMS bearer is requested for

Endpoint information

M

Information of the endpoint of the VAL server to which the user plane notifications have to be sent.

Local MBMS information (see NOTE)

O

> MB2-U information

O

IP address, UDP port number of the MB2-U interface

> xMB-U information

O

IP address, UDP port number of the xMB-U interface

> M1 interface information

O

M1 interface information for local MBMS

Local MBMS activation indication (see NOTE)

O

Indicates whether to request the NRM server to use Local MBMS information.

NOTE: The VAL server may provide either the Local MBMS information or the Local MBMS activation indication. This IE is present when the local MBMS is required for VAL services like V2X service.

Result

M

The result indicates success or failure of the MBMS bearers request operation.

TMGI

O

(see NOTE 1)

TMGI information.

User plane address

M

(see NOTE 2)

BM-SC user plane IP address and port

Service description

O

(see NOTE 2)

Indicates MBMS bearer related configuration information as defined in 3GPP TS 26.346 [28] (e.g. radio frequency and MBMS Service Area Identities)

NOTE 1: TMGI may not be required if the service announcement mode indicates that the request is sent by the NRM server.

NOTE 2: If the Result Information element indicates failure then the values of the other information elements have no meaning.

Delivery mode

M

Indicates whether to deliver the user data to the UE(s) via unicast mode or multicast mode

MBMS media stream identifier

M

Indicates the MBMS media stream to be used to deliver the media currently over unicast, or the MBMS media stream currently being used.

Unicast media stream identifier(s)

M

Indicates the unicast media stream to be used to deliver the media currently over multicast, or the unicast to be stopped and switched to multicast.

List of VAL UEs

M

List of VAL UEs for whom the end-to-end QoS management occurs

>VAL UE/user ID

M

Identity of the VAL UE

> IP address

M

IP address of the VAL UE

VAL service ID

O

The VAL service identity for whom the end-to-end QoS management occurs.

End-to-end QoS requirements

O

The application QoS requirements / KPIs (latency, error rate, ..) for the end-to-end session.

This may optionally include information which will support the NRM server to identify the per session QoS requirements (e.g. a flag indicating the use of HD video for assisting the end-to-end session, a video resolution/encoding required for the HD video).

Service area

O

The area where the QoS management request applies. This can be geographical area, or topological area.

Time validity

O

The time of validity of the requirement.

Result

M

The positive or negative result of the end-to-end QoS management request.

QoS report configuration

O

The configuration of the NRM client’s report triggering by NRM server (e.g. setting thresholds for reporting a QoS downgrade / notifications based on channel loss great than threshold value)

VAL UE ID

M

The identifier of the VAL UE which indicates the QoS downgrade.

QoS downgrade report

M

The report including the expected or actual QoS / QoE parameters which were downgraded (i.e. latency, throughput, reliability, jitter). This report may be configured by the end-to-end QoS management response message.

NRM server ID

M

The identifier of the NRM server which provides the notification.

Requested QoS parameters

M

The updated requested QoS parameters for the end-to-end session (NRM server to source VAL UE or NRM server to target VAL UE), based on the QoS change on one or both links involved in the network-assisted end-to-end communication.

Identities list

O

(see NOTE 1)

List of VAL users or VAL UEs whose events monitoring is requested.

VAL group ID

O

(see NOTE 1)

VAL group ID of the VAL UE group of target UEs.

VAL service ID

O

VAL service ID.

Monitoring profile ID

O

(see NOTE 2)

The monitoring profile ID, which identifies a list of monitoring and/or analytics events.

Validity conditions

O

The temporal and/or spatial conditions applied for the events to be considered as valid.

Event Details

O

(see NOTE 2)

List of monitoring and/or analytics events that the VAL server is interested in.

NOTE 1: For identifying the target UE(s), either a list of VAL users/UEs or a group of VAL UEs shall be provided.

NOTE 2: Either Event Details or Monitoring profile ID is present.

Subscription status

M

It indicates the subscription result

Monitoring profile ID

O

It indicates the monitoring profile identifier. It is present when Event Details are provided in the Monitoring Events Subscription request.

EventDetails

List of events related to VAL UE(s).

> identity

M

VAL UE for which the events are related to.

> events

M

List of Monitoring and Analytics events related to the VAL UE.

Timestamp

O

The timestamp for the monitoring and analytics events

Requester Identity

M

The identity of the VAL server performing the request.

List of VAL UE IDs

O

(see NOTE 1 NOTE 4)

List of VAL UEs whose QoS monitoring data is requested.

VAL group ID

O

(see NOTE 1, NOTE 4)

The group ID used for the VAL group for which QoS monitoring data is requested.

List of VAL stream IDs

O

(see NOTE 1, NOTE 4)

List of VAL streams for which QoS monitoring data is requested.

Measurement requirements

O

It describes the requirements on the QoS measurements.

> type of data

M

At least one of the following measurement index shall be provided.

>> packet delay

O

UL/DL/RT packet delay.

For VAL stream, the packet delay means measurement from a source UE to a target UE.

>> packet loss rate

O

Average packet loss rate.

>> data rate

O

Average data rate and/or maximum data rate.

>> traffic volume

O

Average traffic volume for UL and/or DL

> measurement time period

O

The measurement time period indicates a current time period. If absent, current time and 5 minutes duration are used as default setting.

> aggregation granularity window

O

Indicates how long the QoS monitoring is performed to compute the average value and gather the maximum value. If absent, 1 minute is used as default setting.

Reporting requirements

O

It describes the requirements for QoS monitoring reporting.

> Frequency of reporting

O

It indicates the requested frequency of reporting. The reporting frequency may be periodic or event triggered (i.e. threshold reached). If absent in the request, default event triggered reporting is used.

> Reporting threshold

O

If the Frequency of reporting is event triggered (threshold reached), the reporting threshold corresponding to the measurement index shall be provided.

> Threshold reaching direction

O

It indicates the reaching direction (i.e. ascending, descending or crossed) for the reporting threshold. It shall be provided if reporting threshold is present.

> Reporting periodicity

O

If the Frequency of reporting is periodic, the reporting periodicity shall be provided.

> Termination of reporting

O

It indicates when the reporting of QoS monitoring shall stop. It can be event triggered (i.e. either number of reports reached or threshold reached) or when reporting duration expires or when explicit termination is requested. If absent in the request, it defaults to explicit termination. Once the termination condition is met, the monitoring subscription ceases to exist.

> Max number of reports

O

(NOTE 3)

It indicates the maximum number of reports, it shall be provided when Termination of reporting is set to event triggered (number of reports reached).

> Termination threshold

O

(see NOTE 2, NOTE 3)

It indicates the reporting termination threshold corresponding to the measurement index. Each measurement index has only one termination threshold.

> Termination condition for termination threshold

O

(see NOTE 2)

It indicates threshold-based termination condition (e.g. all reached or any of them reached) if multiple measurement indexes are provided.

> Reporting duration

O

(NOTE 3)

It indicates the reporting duration, it shall be provided when Termination of reporting is set to duration expiration.

NOTE 1: Only one of these information elements shall be present.

NOTE 2: It shall be provided when Termination of reporting is set to event triggered (threshold reached).

NOTE 3: Only one of these information elements may be present.

NOTE 4: When used by the Update_Unicast_QoS_Monitoring_Subscription operation, the same information element with identical content shall be present as in the associated Subscribe_Unicast_QoS_Monitoring operation.

Subscription status

M

It indicates the subscription result

List of VAL UE IDs

O

(see NOTE)

List of VAL UEs whose QoS monitoring data is provided. This list is either the list provided in the subscription request or a subset of that list. It can contain a single UE.

VAL group ID

O

(see NOTE)

The group ID used for the VAL group for which QoS monitoring data is provided. This group ID shall be the same VAL group ID as the VAL group ID provided in the subscription request.

List of VAL stream IDs

O

(see NOTE)

List of VAL stream IDs whose QoS monitoring data is provided. This list is either the list provided in the subscription request or a subset of that list. It can contain a single stream ID.

QoS monitoring data

M

QoS monitoring data is an aggregate of QoS measurements data obtained from the 5GS.

NOTE: Only one of these information elements shall be present.

Requester Identity

M

The identity of the VAL server performing the request.

Stream specification

M

Stream specification includes MAC addresses of the source and destination DS-TT ports (e.g. as defined in IEEE 802.1CB [37]).

Result

M

Result includes success or failure of the TSC stream availability discovery with the underlying network.

Stream specification

M

Stream specification includes MAC addresses of the source and destination DS-TT ports (e.g. as defined in IEEE 802.1CB [37]).

List of traffic specifications

M

The traffic classes supported by the DS-TTs and available end-to-end MaxLatency value per traffic class. The VAL server should not request lower latency than the available end-to-end latency.

Requester Identity

M

The identity of the VAL server performing the request.

VAL Stream ID

M

It identifies the VAL stream.

Stream specification

M

Stream specification includes MAC addresses of the source and destination DS-TT ports (e.g. as defined in IEEE 802.1CB [37]).

Traffic specification

M

It includes MaxLatency, MaxFrameInterval, MaxFrameSize, MaxIntervalFrames, etc. (e.g. as described in IEEE 802.1Qcc [IEEE8021Qcc] in clause 46.2).

Result

M

Result includes success or failure of the TSC stream creation.

VAL Stream ID

M

It identifies the VAL stream.

Requester Identity

M

The identity of the VAL server performing the request.

VAL Stream ID

M

It identifies the VAL stream.

Result

M

Result includes success or failure of the network TSC stream deletion. Even in case of failure, the stream is deemed unusable.

VAL Stream ID

M

It identifies the VAL stream.

Requester Identity

M

The identity of the VAL server performing the request.

List of VAL UE IDs

O

(see NOTE)

List of VAL UEs whose QoS monitoring data is requested.

VAL group ID

O

(see NOTE)

The group ID used for the VAL group for which QoS monitoring data is requested.

List of VAL stream IDs

O

(see NOTE)

List of VAL streams for which QoS monitoring data is requested.

Measurement requirements

M

It describes the requirements on the QoS measurement data to be provided.

> type of data

M

At least one of the following measurement index shall be provided.

>> packet delay

O

UL/DL/RT packet delay.

For VAL stream, the packet delay means measurement from a source UE to a target UE.

>> packet loss rate

O

Average packet loss rate.

>> data rate

O

Average data rate and/or maximum data rate.

>> traffic volume

O

Average traffic volume for UL and/or DL

> measurement time period

O

The measurement time period indicates either a current or past time period. If absent, current time and 5 minutes duration are used as default setting.

> aggregation granularity window

O

Indicates how long the QoS monitoring is performed to compute the average value and gather the maximum value. If absent, 1 minute is used as default setting.

NOTE: Only one of these information elements shall be present.

List of VAL UE IDs

O

(see NOTE 1)

List of VAL UEs whose QoS monitoring data is provided. This list is either the list provided in the request or a subset of that list. It can contain a single UE.

VAL group ID

O

(see NOTE 1)

The group ID used for the VAL group for which QoS monitoring data is provided. This group ID shall be the same VAL group ID as the VAL group ID provided in the request.

List of VAL stream IDs

O

(see NOTE 1)

List of VAL stream IDs whose QoS monitoring data is provided. This list is either the list provided in the request or a subset of that list. It can contain a single stream ID.

Result

M

Indicates the success or failure for the operation

QoS monitoring data

M

(see NOTE 2)

QoS monitoring data is an aggregate of QoS measurements data obtained from the 5GS.

Cause

O

Provides reason for the failure (e.g. when data for the requested time period is not available).

NOTE 1: Only one of these information elements shall be present.

NOTE 2: If the Result information element indicates failure then the value of the QoS monitoring data information element has no meaning.

Source UE ID

M

Identifier of the requestor UE

VAL service ID

M

Identifier of the VAL service

List of destination UE IDs

M

Identifiers of the destination UEs

Application service requirements

M

Details of service requirements

>Packet size (see NOTE)

O

Size of the packet to be transmitted.

>Packet transmission interval (see NOTE)

O

Intervals at which the packet is to be transmitted

>Packet E2E latency (see NOTE)

O

E2E Latency for packet transmission

>Packet error KPI (see NOTE)

O

The KPIs related to packet error (e.g. allowed packet loss rate, packet loss amount, packet error rate)

>Bitrate (see NOTE)

O

The bitrate required

NOTE: At least one of information elements of the application service requirements shall be included.

Result

M

Result from the NRM server in response to request indicating success or failure for accepting the request.

Cause

O

The cause of failure, if the result indicates failure.

Session information

M

Session information for the established connectivity for application communication

VAL service ID

M

Identifier of the VAL service

List of accepted UE IDs (see NOTE)

O

The list of UEs which are accepted for the connectivity established for the application service communication

NOTE: The List of accepted UE IDs IE shall be included when the application connectivity notification is sent to the initiator of the application connectivity request.

Update status

M

It indicates the subscription update result

Requester Identity

M

The identity of the VAL server performing the request.

VAL group ID

O (NOTE 3)

The identity of the group that the multicast/broadcast resource is requested for.

VAL UE ID List

O (NOTE 3)

The list of VAL UE ID that the multicast/broadcast resource is requested for.

Session announcement mode

M

Indicates whether the session announcement is sent by NRM server or by the VAL server

Service requirement description

M

Indicates the service characteristics, e.g., Media type, Media format, bandwidth requirements, flow description, Application Identifier, Priority indicator, emergency indicator Application service provider.

Multicast/Broadcast area information

O

Indicate the area where the multicast/broadcast resource is requested for

Endpoint information

M

Information of the endpoint of the VAL server to which the user plane notifications have to be sent.

Network system indicator

O

Indicate if the multicast/broadcast resrouce is required from 5GS, EPS, or both

Local MBMS information (NOTE 1, NOTE 2)

O

> MB2-U information

O

IP address, UDP port number of the MB2-U interface

> xMB-U information

O

IP address, UDP port number of the xMB-U interface

> M1 interface information

O

M1 interface information for local MBMS

Local MBMS activation indication (NOTE 1, NOTE 2)

O

Indicates whether to request the NRM server to use Local MBMS information.

NOTE 1: The VAL server may provide either the Local MBMS information or the Local MBMS activation indication. This IE is present when the local MBMS is required for VAL services like V2X service.

NOTE 2: This information element is only applicable when EPS is specified in the network system indicator IE.

NOTE 3: Either of the IEs shall be present.

Result

M

The result indicates success or failure of the multicast/broadcast resource request operation.

Identity of the multicast/broadcast resource

O

(NOTE 1)

The identity of the multicast/broadcast MBS session, or/and the identity of the MBMS bearer.

User plane address

M

(NOTE 2)

User plane IP address(es) and port for VAL to deliver the DL packet

Session description information

O

(NOTE 2)

Indicates Multicast/broadcast related configuration information as defined in 3GPP TS 26.346 [28] (e.g. radio frequency and MBMS Service Area Identities) or/and 3GPP TS 23.247 [39] (e.g. MBS FSA ID(s), Area Session ID)

NOTE 1: This IE may not be required if the session announcement mode indicates that the request is sent by the NRM server.

NOTE 2: If the Result Information element indicates failure then the values of the other information elements shall not present.

Requester Identity

M

The identity of the VAL server performing the request.

Identity of the multicast/broadcast resource

M

Identity of the multicast/broadcast resource

Service requirement description

O (NOTE 3)

Indicates the service characteristics, e.g., Media type, Media format, bandwidth requirements, flow description, Application Identifier, Priority indicator, emergency indicator Application service provider.

Multicast/Broadcast area information

O(NOTE 3)

Indicate the area where the multicast/broadcast resource is requested for

Local MBMS information (NOTE 1, NOTE 2)

O(NOTE 3)

> MB2-U information

O

IP address, UDP port number of the MB2-U interface

> xMB-U information

O

IP address, UDP port number of the xMB-U interface

> M1 interface information

O

M1 interface information for local MBMS

Local MBMS activation indication (NOTE 1, NOTE 2)

O

Indicates whether to request the NRM server to use Local MBMS information.

NOTE 1: The VAL server may provide either the Local MBMS information or the Local MBMS activation indication. This IE is present when the local MBMS is required for VAL services like V2X service.

NOTE 2: This information element is only applicable when EPS is specified in the network system indicator IE.

NOTE 3: At least one of those IEs shall be present.

Result

M

The result indicates success or failure of the multicast/broadcast resource update request operation.

Identity of the multicast/broadcast resource

M

(NOTE 1)

The identity of the multicast/broadcast MBS session, or/and the identity of the MBMS bearer.

Session description information

O

(NOTE 2)

Indicates Multicast/broadcast related configuration information as defined in 3GPP TS 26.346 [28] (e.g. radio frequency and MBMS Service Area Identities) or/and 3GPP TS 23.247 [39] (e.g. MBS FSA ID(s), Area Session ID, service requirements)

NOTE 1: This IE may not be required if the session announcement mode indicates that the request is sent by the NRM server.

NOTE 2: If the Result Information element indicates failure then the values of the other information elements shall not present.

Requester Identity

M

The identity of the VAL server performing the request.

Identity of the multicast/broadcast resource

M

Identity of the multicast/broadcast resource, i.e., the MBS session ID for 5G MBS, TMGI for 4G MBMS, or both

Result

M

The result indicates success or failure of the multicast/broadcast resource delete request operation.

Identity of the multicast/broadcast resource

M

The identity of the multicast/broadcast MBS session, or/and the identity of the MBMS bearer.

Requester Identity

M

The identity of the VAL server performing the request.

MBS session ID

M

Identity of multicast MBS session

Result

M

The result indicates success or failure of the multicast resource activate operation.

MBS session ID

M

Identity of multicast MBS session

Requester Identity

M

The identity of the VAL server performing the request.

MBS session ID

M

Identity of multicast MBS session

Result

M

The result indicates success or failure of the multicast resource deactivate operation.

MBS session ID

M

Identity of multicast MBS session

VAL group ID

M

This element identifies the VAL group related to a group related VAL data communication to be delivered over the MBS session.

VAL data stream identifier

M

This element identifies the VAL data stream of the SDP used for the group related VAL data communication within the MBS session.

MBS session ID

O

The MBS session identifier if the MapVALGroupToSessionStream message is not sent on the same session as the VAL data

VAL group ID

M

This element identifies the VAL group related to a group related VAL data communication to be delivered over the MBS session.

VAL data stream identifier

M

This element identifies the VAL data stream of the SDP used for the group related VAL data communication within the MBS session.

MBS session ID

O

The MBS session identifier if the MapVALGroupToSessionStream message is not sent on the same session as the VAL data