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Content for  TS 23.434  Word version:  18.0.0

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14.3  Procedures and information flows for network resource managementWord‑p. 126

14.3.1  GeneralWord‑p. 126

The procedures related to the network resource management are described in the following subclauses.

14.3.2  Information flowsWord‑p. 126

14.3.2.1  Network resource adaptation requestWord‑p. 126

Table 14.3.2.1-1 describes the information flow network resource adaptation request from the VAL server to the NRM server.
Information Element Status Description
Requester IdentityMThe identity of the VAL server performing the request
List of VAL UE IDsM
(see NOTE)
List consisting of one or more VAL UE IDs for whom the network resource adaptation occurs
VAL group IDM
(see NOTE)
The VAL group ID for whom the network resource adaptation occurs
Resource adaptation requirementMThe 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.
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14.3.2.2  Network resource adaptation responseWord‑p. 126

Table 14.3.2.2-1 describes the information flow network resource adaptation response from the NRM server to the VAL server.
Information Element Status Description
ResultMResult 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)
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14.3.2.3  MBMS bearer announcementWord‑p. 127

Table 14.3.2.3-1 describes the information flow MBMS bearer announcement from the NRM server to the NRM client.
Information Element Status Description
TMGIMTMGI information
Alternative TMGIOA list of additional alternative TMGI may be included and used in roaming scenarios
QCIOQCI 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 identifierMA list of service area identifier for the applicable MBMS broadcast area
FrequencyOIdentification of frequency if multi carrier support is provided
SDP informationMSDP with media and application control information applicable to groups that can use this bearer (e.g. codec, protocol id, FEC information)
Monitoring stateOThe monitoring state is used to control if the client is actively monitoring the MBMS bearer quality or not
Announcement acknowledgmentOIndicate if the NRM server requires an acknowledgement of the MBMS bearer announcement
Unicast statusOAn indication that the listening status of the unicast bearer is requested
ROHC informationOIndicate 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.
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14.3.2.4  MBMS listening status reportWord‑p. 127

Table 14.3.2.4-1 describes the information flow for the MBMS listening status report from NRM client to NRM server.
Information Element Status Description
VAL user ID or VAL UE IDMThe identity of the VAL user or VAL UE who wants to report the MBMS listening status
TMGI(s)MTMGI(s) information
MBMS listening status(s)MThe MBMS listening status per TMGI
MBMS reception quality levelOThe reception quality level per TMGI (see NOTE)
Unicast listening statusOThe 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.
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14.3.2.5  MBMS suspension reporting instructionWord‑p. 128

Table 14.3.2.5-1 describes the information flow for the MBMS suspension reporting instruction from NRM server to NRM client in a unicast bearer for MBMS suspension reporting.
Information Element Status Description
VAL user ID or VAL UE IDMThe identity of the VAL user or VAL UE
Suspension reportingMEnables or disable the suspension reporting for a specific NRM client
Table 14.3.2.5-2 describes the information flow for the MBMS suspension reporting instruction from NRM server to NRM client in a multicast bearer for MBMS suspension reporting.
Information Element Status Description
Suspension reporting client subsetMContains a uniquely defined subset of NRM clients that shall report MBMS suspension
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14.3.2.6  Resource requestWord‑p. 128

Table 14.3.2.6-1 describes the information flow for the resource request from VAL server to NRM server for unicast resources.
Information Element Status Description
Requester IdentityMThe identity of the VAL server performing the request
VAL user ID or VAL UE IDMThe identity of the VAL user or VAL UE
VAL service requirement information (see NOTE)OVAL 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.
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14.3.2.7  Resource responseWord‑p. 128

Table 14.3.2.7-1 describes the information flow for the resource response from NRM server to VAL server for unicast resources.
Information Element Status Description
ResultMThe result indicates success or failure of the resource request operation
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14.3.2.8  Resource modification requestWord‑p. 128

Table 14.3.2.8-1 describes the information flow for the resource modification request from VAL server to NRM server for unicast resources.
Information Element Status Description
Requester IdentityMThe identity of the VAL server performing the request
VAL user ID or VAL UE IDMThe identity of the VAL user or VAL UE
VAL service requirement informationMVAL service requirements for unicast resource (e.g. VAL sevice ID, Bitrate)
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14.3.2.9  Resource modification responseWord‑p. 129

Table 14.3.2.9-1 describes the information flow for the resource modification response from NRM server to VAL server for unicast resources.
Information Element Status Description
ResultMThe result indicates success or failure of the resource modification operation
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14.3.2.10  MBMS bearers requestWord‑p. 129

Table 14.3.2.10-1 describes the information flow for the MBMS bearers request from VAL server to NRM server.
Information Element Status Description
Requester IdentityMThe identity of the VAL server performing the request
VAL group IDMThe identity of the group that the MBMS bearer is requested for
Service announcement modeMIndicates whether the request is sent by NRM server or by the VAL server
QoSMIndicates the requested QoS for the bearer
Broadcast areaOIndicate the area where the MBMS bearer is requested for
Endpoint informationMInformation 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 informationOIP address, UDP port number of the MB2-U interface
> xMB-U informationOIP address, UDP port number of the xMB-U interface
> M1 interface informationOM1 interface information for local MBMS
Local MBMS activation indication
(see NOTE)
OIndicates 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.
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14.3.2.11  MBMS bearers responseWord‑p. 129

Table 14.3.2.11-1 describes the information flow for the MBMS bearers response from NRM server to VAL server.
Information Element Status Description
ResultMThe result indicates success or failure of the MBMS bearers request operation
TMGIO
(see NOTE 1)
TMGI information
User plane addressM
(see NOTE 2)
BM-SC user plane IP address and port
Service descriptionO
(see NOTE 2)
Indicates MBMS bearer related configuration information as defined in TS 26.346 (e.g. radio frequency and MBMS Service Area Identities)
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14.3.2.12  User plane delivery modeWord‑p. 130

Table 14.3.2.12-1 describes the information flow for the user plane delivery mode from NRM server to VAL server.
Information Element Status Description
Delivery modeMIndicates whether to deliver the user data to the UE(s) via unicast mode or multicast mode
MBMS media stream identifierMIndicates 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)MIndicates the unicast media stream to be used to deliver the media currently over multicast, or the unicast to be stopped and switched to multicast
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14.3.2.13  end-to-end QoS management request |R17|Word‑p. 130

Table 14.3.2.13-1 describes the information flow end-to-end QoS management request from the NRM client to the NRM server.
Information Element Status Description
List of VAL UEsMList of VAL UEs for whom the end-to-end QoS management occurs
> VAL UE/user IDMIdentity of the VAL UE
> IP addressMIP address of the VAL UE
VAL service IDOThe VAL service identity for whom the end-to-end QoS management occurs.
End-to-end QoS requirementsOThe 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 areaOThe area where the QoS management request applies. This can be geographical area, or topological area.
Time validityOThe time of validity of the requirement.
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14.3.2.14  end-to-end QoS management response |R17|Word‑p. 131

Table 14.3.2.14-1 describes the information flow end-to-end QoS management response from the NRM server to the NRM client.
Information Element Status Description
ResultMThe positive or negative result of the end-to-end QoS management request.
QoS report configurationOThe 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)
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14.3.2.15  QoS downgrade indication |R17|Word‑p. 131

Table 14.3.2.15-1 describes the information flow QoS downgrade indication from the NRM client to the NRM server.
Information Element Status Description
VAL UE IDMThe identifier of the VAL UE which indicates the QoS downgrade.
QoS downgrade reportMThe 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.
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14.3.2.16  Application QoS change notification |R17|Word‑p. 131

Table 14.3.2.16-1 describes the information flow Application QoS change notification from the NRM server to the NRM clients (which are involved at the end-to-end session).
Information Element Status Description
NRM server IDMThe identifier of the NRM server which provides the notification.
Requested QoS parametersMThe 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.
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14.3.2.17  Monitoring Events Subscription Request |R17|Word‑p. 132

Table 14.3.2.17-1 describes the information flow from the VAL server to the NRM server for monitoring events subscription request.
Information Element Status Description
Identities listO
(see NOTE 1)
List of VAL users or VAL UEs whose events monitoring is requested.
VAL group IDO
(see NOTE 1)
VAL group ID of the VAL UE group of target UEs.
VAL service IDOVAL service ID.
Monitoring profile IDO
(see NOTE 2)
The monitoring profile ID, which identifies a list of monitoring and/or analytics events.
Validity conditionsOThe temporal and/or spatial conditions applied for the events to be considered as valid.
Event DetailsO
(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.
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14.3.2.18  Monitoring Events Subscription Response |R17|Word‑p. 132

Table 14.3.2.18-1 describes the information flow from the NRM server to the VAL server for Monitoring Events Subscription response.
Information Element Status Description
Subscription statusMIt indicates the subscription result
Monitoring profile IDOIt indicates the monitoring profile identifier. It is present when Event Details are provided in the Monitoring Events Subscription request.
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14.3.2.19  Monitoring Events Notification message |R17|Word‑p. 132

Table 14.3.2.19-1 describes the information flow from the NRM server to the VAL server on notification of monitoring events.
Information Element Status Description
EventDetailsList of events related to VAL UE(s).
> identityMVAL UE for which the events are related to.
> eventsMList of Monitoring and Analytics events related to the VAL UE.
TimestampOThe timestamp for the monitoring and analytics events
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14.3.2.20  Unicast QoS monitoring subscription request |R17|Word‑p. 133

Table 14.3.2.20-1 describes the information flow from the VAL server to the network resource management server for unicast QoS monitoring subscription request.
Information Element Status Description
Requester IdentityMThe identity of the VAL server performing the request.
List of VAL UE IDsO
(see NOTE)
List of VAL UEs whose QoS monitoring data is requested.
VAL group IDO
(see NOTE)
The group ID used for the VAL group for which QoS monitoring data is requested.
List of VAL stream IDsO
(see NOTE)
List of VAL streams for which QoS monitoring data is requested.
Measurement requirementsOIt describes the requirements on the QoS measurements.
> type of dataMAt least one of the following measurement index shall be provided.
>> packet delayOUL/DL/RT packet delay.
For VAL stream, the packet delay means measurement from a source UE to a target UE.
>> packet loss rateOAverage packet loss rate.
>> data rateOAverage data rate and/or maximum data rate.
>> traffic volumeOAverage traffic volume for UL and/or DL
> measurement time periodOThe measurement time period indicates a current time period. If absent, current time and 5 minutes duration are used as default setting.
> aggregation granularity windowOIndicates 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 requirementsOIt describes the requirements for QoS monitoring reporting.
> Frequency of reporting OOIt 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 thresholdOIf the Frequency of reporting is event triggered (threshold reached), the reporting threshold corresponding to the measurement index shall be provided.
> Reporting periodicityOIf the Frequency of reporting is periodic, the reporting periodicity shall be provided.
> Termination of reportingOIt indicates when the reporting of QoS monitoring shall stop. It can be event triggered (i.e. number of reports reached or threshold reached), when reporting duration expires or when explicit termination is requested. If absent in the request, it defaults to event triggered reporting (threshold reached).
> Max number of reportsOIt indicates the maximum number of reports, it shall be provided when Termination of reporting is set to event triggered (number of reports reached).
> Termination thresholdOIt indicates the reporting termination threshold corresponding to the measurement index, it shall be provided when Termination of reporting is set to event triggered (threshold reached).
> Reporting durationOIt indicates the reporting duration, it shall be provided when Termination of reporting is set to duration expiration.
NOTE:
Only one of these information elements shall be present
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14.3.2.21  Unicast QoS monitoring subscription response |R17|Word‑p. 134

Table 14.3.2.21-1 describes the information flow from the network resource management server to the VAL server for unicast QoS montoring subscription response.
Information Element Status Description
Subscription statusMIt indicates the subscription result
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14.3.2.22  Unicast QoS monitoring notification |R17|Word‑p. 135

Table 14.3.2.22-1 describes the information flow for unicast QoS monitoring notification from the network resource management server to the VAL server.
Information Element Status Description
List of VAL UE IDsO
(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 IDO
(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 IDsO
(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 dataMQoS monitoring data is an aggregate of QoS measurements data obtained from the 5GS.
NOTE:
Only one of these information elements shall be present.
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14.3.2.23  TSC stream availability discovery request |R17|Word‑p. 135

Table 14.3.2.23-1 describes the information flow TSC stream availability discovery request from the VAL server to the NRM server.
Information Element Status Description
Requester IdentityMThe identity of the VAL server performing the request.
Stream specificationMStream specification includes MAC addresses of the source and destination DS-TT ports (e.g. as defined in IEEE 802.1CB [37]).
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14.3.2.24  TSC stream availability discovery response |R17|Word‑p. 135

Table 14.3.2.24-1 describes the information flow TSC stream availability discovery response from the NRM server to the VAL server.
Information Element Status Description
ResultMResult includes success or failure of the TSC stream availability discovery with the underlying network.
Stream specificationMStream specification includes MAC addresses of the source and destination DS-TT ports (e.g. as defined in IEEE 802.1CB [37]).
List of traffic specificationsMThe 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.
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14.3.2.25  TSC stream creation request |R17|Word‑p. 136

Table 14.3.2.25-1 describes the information flow TSC stream creation request from the VAL server to the NRM server.
Information Element Status Description
Requester Identity MThe identity of the VAL server performing the request.
VAL Stream IDMIt identifies the VAL stream.
Stream specificationMStream specification includes MAC addresses of the source and destination DS-TT ports (e.g. as defined in IEEE 802.1CB [37]).
Traffic specificationMIt includes MaxLatency, MaxFrameInterval, MaxFrameSize, MaxIntervalFrames, etc. (e.g. as described in IEEE 802.1Qcc [IEEE8021Qcc] in clause 46.2).
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14.3.2.26  TSC stream creation response |R17|Word‑p. 136

Table 14.3.2.26-1 describes the information flow TSC stream creation response from the NRM server to the VAL server.
Information Element Status Description
ResultMResult includes success or failure of the TSC stream creation.
VAL Stream IDMIt identifies the VAL stream.
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14.3.2.27  TSC stream deletion request |R17|Word‑p. 136

Table 14.3.2.27-1 describes the information flow TSC stream deletion request from the VAL server to the NRM server.
Information Element Status Description
Requester Identity MThe identity of the VAL server performing the request.
VAL Stream IDMIt identifies the VAL stream.
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14.3.2.28  TSC stream deletion response |R17|Word‑p. 136

Table 14.3.2.28-1 describes the information flow TSC stream deletion response from the NRM server to the VAL server.
Information Element Status Description
ResultMResult includes success or failure of the network TSC stream deletion. Even in case of failure, the stream is deemed unusable.
VAL Stream IDMIt identifies the VAL stream.
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14.3.2.29  TSN bridge information report |R17|Word‑p. 137

The 5GS bridge management information is defined in TS 23.501, clause 5.28.1 (5GS bridge management).

14.3.2.30  TSN bridge information confirmation |R17|Word‑p. 137

The 5GS bridge management information is defined in TS 23.501, clause 5.28.1 (5GS bridge management).

14.3.2.31  TSN bridge configuration request |R17|Word‑p. 137

The configuration information of 5GS Bridge is defined in TS 23.501, clause 5.28.2 (The configuration information of 5GS Bridge).

14.3.2.32  TSN bridge configuration response |R17|Word‑p. 137

The configuration information of 5GS Bridge is defined in TS 23.501, clause 5.28.2 (The configuration information of 5GS Bridge).

14.3.2.33  Unicast QoS monitoring data request |R17|Word‑p. 137

Table 14.3.2.33-1 describes the information flow from the VAL server to the network resource management server for unicast QoS monitoring data request.
Information Element Status Description
Requester Identity MThe 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 requirementsMIt describes the requirements on the QoS measurement data to be provided.
> type of dataMAt least one of the following measurement index shall be provided.
>> packet delayOUL/DL/RT packet delay.
For VAL stream, the packet delay means measurement from a source UE to a target UE.
>> packet loss rateOAverage packet loss rate.
>> data rateOAverage data rate and/or maximum data rate.
>> traffic volumeOAverage traffic volume for UL and/or DL
> measurement time periodOThe 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 windowOIndicates 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.
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14.3.2.34  Unicast QoS monitoring data response |R17|Word‑p. 138

Table 14.3.2.34-1 describes the information flow from the VAL server to the network resource management server for unicast QoS monitoring data response.
Information Element Status Description
List of VAL UE IDsO
(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.
ResultMIndicates the success or failure for the operation
QoS monitoring dataM (see NOTE 2)QoS monitoring data is an aggregate of QoS measurements data obtained from the 5GS.
CauseOProvides 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.
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