5 Specification level requirements

28.5453GPPFault Supervision (FS)Management and orchestrationRelease 17TS

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

5.1 Use cases

5.1.1 Report alarm notifications of NSI

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To report NSI alarm notifications.
Actors and Roles	An authorized consumer of fault supervision data report service for NSI.
Telecom resources	Network slice instance
Assumptions	N/A
Pre-conditions	An NSI is deployed An authorized consumer has subscribed the alarm notifications of an NSI The producer of fault supervision data report service for NSI has subscribed the alarm notifications of the NSI constituents.
Begins when	A failure or severe performance degradation of NSI is detected.
Step 1 (M)	The producer of fault supervision data report service for NSI collects alarm information of NSSIs and/or NF instances associated with the NSI as well as other information if needed.
Step 2 (M)	The producer of fault supervision data report service for NSI sends the alarm notification to its authorized consumer when a new alarm notification is generated and this alarm notification satisfies the filter condition if exists.
Ends when	The authorized consumer receives the alarm notification of the NSI or the authorized consumer unsubscribes the alarm notifications of the NSI or the NSI is terminated.
Exceptions	In case any of the mandatory steps in the use case fails
Post-conditions	The authorized consumer receives the alarm notification of the NSI
Traceability	REQ-FSDR_NSI-FUN-1, REQ-FSDR_NSI-FUN-4, REQ-FSDR_NSI-FUN-9

5.1.2 Subscription of alarm notifications of NSI

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To subscribe NSI alarm notifications
Actors and Roles	An authorized consumer of fault supervision data report service for NSI.
Telecom resources	Network slice instance
Assumptions	N/A
Pre-conditions	An NSI is deployed
Begins when	An authorized consumer wants to subscribe the alarm notifications of an NSI
Step 1 (M)	The authorized consumer sends request to the producer of fault supervision data report service for NSI to subscribe alarm notifications of an NSI.
Step 2 (M)	The producer of fault supervision data report service for NSI sends the response of the completion of the subscription to the authorized consumer.
Ends when	All the steps identified above are successfully completed.
Exceptions	In case any of the mandatory steps in the use case fails.
Post-conditions	The alarm notifications of an NSI have been subscribed by the authorized consumer.
Traceability	REQ-FSDR_NSI-FUN-2

5.1.3 Unsubscription of alarm notifications of NSI

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To unsubscribe NSI alarm notifications
Actors and Roles	An authorized consumer of fault supervision data report service for NSI.
Telecom resources	Network slice instance
Assumptions	N/A
Pre-conditions	An NSI is deployed An authorized consumer has subscribed the alarm notifications of an NSI from a producer of fault supervision data report service for NSI.
Begins when	The authorized consumer wants to unsubscribe the alarm notifications of an NSI.
Step 1 (M)	The authorized consumer sends request to the producer of fault supervision data report service for NSI to unsubscribe alarm notifications of an NSI.
Step 2 (M)	The producer of fault supervision data report service for NSI sends the response of the completion of the unsubscription to the authorized consumer.
Ends when	All the steps identified above are successfully completed.
Exceptions	In case any of the mandatory steps in the use case fails.
Post-conditions	The alarm notifications of the NSI has been unsubscribed by the authorized consumer.
Traceability	REQ-FSDR_NSI-FUN-3

5.1.4 Get alarm list of NSI

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To get alarm list of NSI.
Actors and Roles	An authorized consumer of the fault supervision data report service for NSI.
Telecom resources	Network slice instance
Assumptions	N/A
Pre-conditions	The NSI has been deployed. The producer of the fault supervision data report service for NSI is in operation.
Begins when	The authorized consumer decides to get the alarm list of an NSI.
Step 1 (M)	The authorized consumer requires the producer of the fault supervision data report service for NSI to report the alarm list of the NSI.
Step 2 (M)	The Producer of the fault supervision data report service for NSI sends the alarm list to the the authorized consumer. The alarm list contains the alarm(s) which satisfy the filter condition if exists.
Ends when	All the steps identified above are successfully completed.
Exceptions	One of the steps identified above fails.
Post-conditions	The authorized consumer has got the alarm list of the NSI.
Traceability	REQ-FSDR_NSI-FUN-5, REQ-FSDR_NSI-FUN-6

5.1.5 Acknowledge alarms of NSI

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To acknowledge one or multiple alarms of NSI.
Actors and Roles	An authorized consumer of the fault supervision data control service for NSI.
Telecom resources	Network slice instance
Assumptions	N/A
Pre-conditions	The NSI has been deployed. The producer of the fault supervision data control service for NSI is in operation.
Begins when	The authorized consumer decides to acknowledge one or multiple alarms of an NSI.
Step 1 (M)	The authorized consumer sends the request to the producer of the fault supervision data control service for NSI to acknowledge one or multiple alarms of the NSI.
Step 2 (M)	The producer of the fault supervision data control service for NSI acknowledges the alarms based on the request.
Ends when	All the steps identified above are successfully completed.
Exceptions	One of the steps identified above fails.
Post-conditions	The alarms of the NSI have been acknowledged.
Traceability	REQ-FSDC_NSI-FUN-1

5.1.6 Clear alarms of NSI

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To clear one or multiple alarms of NSI.
Actors and Roles	An authorized consumer of the fault supervision data control service for NSI.
Telecom resources	Network slice instance
Assumptions	N/A
Pre-conditions	The NSI has been deployed. The producer of the fault supervision data control service for NSI is in operation.
Begins when	The authorized consumer decides to clear one or multiple alarms of an NSI.
Step 1 (M)	The authorized consumer sends the request to the producer of the fault supervision data control service for NSI to clear one or multiple alarms of the NSI.
Step 2 (M)	The producer of the fault supervision data control service for NSI clears the alarms based on the request.
Ends when	All the steps identified above are successfully completed.
Exceptions	One of the steps identified above fails.
Post-conditions	The alarms of the NSI have been cleared.
Traceability	REQ-FSDC_NSI-FUN-2

5.1.7 Report alarm notifications of NSSI

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To report NSSI alarm notifications.
Actors and Roles	An authorized consumer of fault supervision data report service for NSSI.
Telecom resources	Network slice subnet instance
Assumptions	N/A
Pre-conditions	An NSSI is deployed An authorized consumer has subscribed the alarm notifications of an NSSI. The producer of fault supervision data report service for NSSI has subscribed the alarm notifications of NSSI constituents.
Begins when	A failure or severe performance degradation of NSSI is detected.
Step 1 (M)	The producer of fault supervision data report service for NSSI collects alarm information of constituent NSSIs and/or NF instances associated with the NSSI as well as other information if needed.
Step 2 (M)	The producer of fault supervision data report service for NSSI sends the alarm notification to its authorized consumer when a new alarm notification is generated and this alarm notification satisfies the filter condition if exists.
Ends when	An authorized consumer receives the alarm notification of an NSSI or the authorized consumer unsubscribes the alarm notifications of the NSSI or the NSSI is terminated.
Exceptions	In case any of the mandatory steps in the use case fails.
Post-conditions	The authorized consumer receives the alarm notification of the NSSI
Traceability	REQ-FSDR_NSSI-FUN-1, REQ-FSDR_NSSI-FUN-4, REQ-FSDR_NSSI-FUN-9

5.1.8 Subscription of alarm notifications of NSSI

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To subscribe NSSI alarm notifications
Actors and Roles	An authorized consumer of fault supervision data report service for NSSI.
Telecom resources	Network slice subnet instance
Assumptions	N/A
Pre-conditions	An NSSI is deployed
Begins when	An authorized consumer wants to subscribe the alarm notifications of an NSSI
Step 1 (M)	The authorized consumer sends request to the producer of fault supervision data report service for NSSI to subscribe alarm notifications of an NSSI.
Step 2 (M)	The producer of fault supervision data report service for NSSI sends the response of the completion of the subscription to the authorized consumer.
Ends when	All the steps identified above are successfully completed.
Exceptions	In case any of the mandatory steps in the use case fails.
Post-conditions	The alarm notifications of an NSSI have been subscribed by the authorized consumer.
Traceability	REQ-FSDR_NSSI-FUN-2

5.1.9 Unsubscription of alarm notifications of NSSI

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To unsubscribe NSSI alarm notifications
Actors and Roles	An authorized consumer of fault supervision data report service for NSSI.
Telecom resources	Network slice subnet instance
Assumptions	N/A
Pre-conditions	An NSSI is deployed An authorized consumer has subscribed the alarm notifications of an NSSI from the producer of fault supervision data report service for NSSI.
Begins when	An authorized consumer wants to unsubscribe the alarm notifications of an NSSI.
Step 1 (M)	The authorized consumer sends request to the producer of fault supervision data report service for NSSI to unsubscribe alarm notifications of an NSSI.
Step 2 (M)	The producer of fault supervision data report service for NSSI sends the response of the completion of the unsubscription to the authorized consumer.
Ends when	All the steps identified above are successfully completed.
Exceptions	In case any of the mandatory steps in the use case fails.
Post-conditions	The alarm notifications of the NSSI has been unsubscribed by the authorized consumer.
Traceability	REQ-FSDR_NSSI-FUN-3

5.1.10 Get alarm list of NSSI

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To get alarm list of NSSI.
Actors and Roles	An authorized consumer of the fault supervision data report service for NSSI.
Telecom resources	Network slice subnet instances
Assumptions	N/A
Pre-conditions	The NSSI has been deployed. The producer of the fault supervision data report service for NSSI is in operation.
Begins when	The authorized consumer decides to get the alarm list of an NSSI.
Step 1 (M)	The authorized consumer requires the producer of the fault supervision data report service for NSSI to report the alarm list of the NSSI.
Step 2 (M)	The producer of the fault supervision data report service for NSSI sends the alarm list to the the authorized consumer. The alarm list contains the alarm(s) which satisfy the filter condition if exists.
Ends when	All the steps identified above are successfully completed.
Exceptions	One of the steps identified above fails.
Post-conditions	The authorized consumer has got the alarm list of the NSSI.
Traceability	REQ-FSDR_NSSI-FUN-5, REQ-FSDR_NSSI-FUN-6

5.1.11 Acknowledge alarms of NSSI

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To acknowledge one or multiple alarms of NSSI.
Actors and Roles	An authorized consumer of the fault supervision data control service for NSSI.
Telecom resources	Network slice subnet instance
Assumptions	N/A
Pre-conditions	The NSSI has been deployed. The producer of the fault supervision data control service for NSSI is in operation.
Begins when	The authorized consumer decides to acknowledge one or multiple alarms of an NSSI.
Step 1 (M)	The authorized consumer sends the request to the producer of the fault supervision data control service for NSSI to acknowledge one or multiple alarms of the NSSI.
Step 2 (M)	The producer of the fault supervision data control service for NSSI acknowledges the alarms based on the request.
Ends when	All the steps identified above are successfully completed.
Exceptions	One of the steps identified above fails.
Post-conditions	The alarms of the NSSI have been acknowledged.
Traceability	REQ-FSDC_NSSI-FUN-1

5.1.12 Clear alarms of NSSI

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To clear one or multiple alarms of NSSI.
Actors and Roles	An authorized consumer of the fault supervision data control service for NSSI.
Telecom resources	Network slice subnet instance
Assumptions	N/A
Pre-conditions	The NSSI has been deployed. The producer of the fault supervision data control service for NSSI is in operation.
Begins when	The authorized consumer decides to clear one or multiple alarms of an NSSI.
Step 1 (M)	The authorized consumer sends the request to the producer of the fault supervision data control service for NSSI to clear one or multiple alarms of the NSSI.
Step 2 (M)	The procedure of the fault supervision data control service for NSSI clears the alarms based on the request.
Ends when	All the steps identified above are successfully completed.
Exceptions	One of the steps identified above fails.
Post-conditions	The alarms of the NSSI have been cleared.
Traceability	REQ-FSDC_NSSI-FUN-2

5.1.13 Report alarm notifications of NF instance

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To report NF instance alarm notifications.
Actors and Roles	An authorized consumer of fault supervision data report service for NF.
Telecom resources	Network function instance
Assumptions	N/A
Pre-conditions	An NF is deployed An authorized consumer has subscribed the alarm notifications of an NF instance.
Begins when	A failure or severe performance degradation of NF instance is detected.
Step 1 (M)	The producer of fault supervision data report service for NF sends the alarm notification to its authorized consumer when a new alarm notification is generated and this alarm notification satisfies the filter condition if exists.
Ends when	An authorized consumer receives the alarm notification of the NF instance or the authorized consumer unsubscribes the alarm notifications of the NF instance or the NF instance is terminated.
Exceptions	In case any of the mandatory steps in the use case fails.
Post-conditions	The authorized consumer receives the alarm notification of the NF instance
Traceability	REQ-FSDR_NF-FUN-1, REQ-FSDR_NF-FUN-5, REQ-FSDR_NF-FUN-11

5.1.14 Subscription of alarm notifications of NF instance

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To subscribe NF instance alarm notifications
Actors and Roles	An authorized consumer of fault supervision data report service for NF.
Telecom resources	Network function instance
Assumptions	N/A
Pre-conditions	An NF is deployed
Begins when	An authorized consumer wants to subscribe the alarm notifications of an NF instance
Step 1 (M)	The authorized consumer sends request to producer of fault supervision data report service for NF to subscribe alarm notifications of an NF instance.
Step 2 (M)	The producer of fault supervision data report service for NF sends the response of the completion of the subscription to the authorized consumer.
Ends when	All the steps identified above are successfully completed.
Exceptions	In case any of the mandatory steps in the use case fails.
Post-conditions	The alarm notifications of an NF instance have been subscribed by the authorized consumer.
Traceability	REQ-FSDR_NF-FUN-3

5.1.15 Unsubscription of alarm notifications of NF instance

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To unsubscribe NF instance alarm notifications
Actors and Roles	An authorized consumer of fault supervision data report service for NF.
Telecom resources	Network function instance
Assumptions	N/A
Pre-conditions	An NF is deployed An authorized consumer has subscribed the alarm notifications of an NF instance from a producer of fault supervision data report service for NF.
Begins when	An authorized consumer wants to unsubscribe the alarm notifications of an NF instance.
Step 1 (M)	The authorized consumer sends request to the producer of fault supervision data report service for NF to unsubscribe alarm notifications of an NF instance.
Step 2 (M)	The producer of fault supervision data report service for NF sends the response of the completion of the unsubscription to the authorized consumer.
Ends when	All the steps identified above are successfully completed.
Exceptions	In case any of the mandatory steps in the use case fails.
Post-conditions	The alarm notifications of the NF instance has been unsubscribed by the authorized consumer.
Traceability	REQ-FSDR_NF-FUN-4

5.1.16 Get alarm list of NF instance

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To get alarm list of NF instance.
Actors and Roles	An authorized consumer of the fault supervision data report service for NF.
Telecom resources	Network function instances
Assumptions	N/A
Pre-conditions	The NF instance has been deployed. The producer of the fault supervision data report service for NF is in operation.
Begins when	The authorized consumer decides to get the alarm list of an NF instance.
Step 1 (M)	The authorized consumer requires the producer of the fault supervision data report service for NF to report the alarm list of the NF instance.
Step 2 (M)	The producer of the fault supervision data report service for NF sends the alarm list to the the authorized consumer. The alarm list contains the alarm(s) which satisfy the filter condition if exists.
Ends when	All the steps identified above are successfully completed.
Exceptions	One of the steps identified above fails.
Post-conditions	The authorized consumer has got the alarm list of the NF.
Traceability	REQ-FSDR_NF-FUN-6, REQ-FSDR_NF-FUN-8

5.1.17 Acknowledge alarms of NF instance

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To acknowledge one or multiple alarms of NF instance.
Actors and Roles	An authorized consumer of the fault supervision data control service for NF.
Telecom resources	Network function instance
Assumptions	N/A
Pre-conditions	The NF instance has been deployed. The producer of the fault supervision data control service for NF is in operation.
Begins when	The authorized consumer decides to acknowledge one or multiple alarms of an NF instance.
Step 1 (M)	The authorized consumer sends the request to the producer of the fault supervision data control service for NF to acknowledge one or multiple alarms of the NF instance.
Step 2 (M)	The producer of the fault supervision data control service for NF acknowledges the alarms based on the request.
Ends when	All the steps identified above are successfully completed.
Exceptions	One of the steps identified above fails.
Post-conditions	The alarms of the NF instance have been acknowledged.
Traceability	REQ-FSDC_NF-FUN-1

5.1.18 Clear alarms of NF instance

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To clear one or multiple alarms of NF instance.
Actors and Roles	An authorized consumer of the fault supervision data control service for NF.
Telecom resources	Network function instance
Assumptions	N/A
Pre-conditions	The NF instance has been deployed. The producer of the fault supervision data control service for NF is in operation.
Begins when	The authorized consumer decides to clear one or multiple alarms of an NF instance.
Step 1 (M)	The authorized consumer sends the request to the producer of the fault supervision data control service for NF to clear one or multiple alarms of the NF instance.
Step 2 (M)	The procedure of the fault supervision data control service for NF clears the alarms based on the request.
Ends when	All the steps identified above are successfully completed.
Exceptions	One of the steps identified above fails.
Post-conditions	The alarms of the NF instance have been cleared.
Traceability	REQ-FSDC_NF-FUN-2

5.1.19 Notify changed alarms of NSI

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To notify changed alarms of NSI.
Actors and Roles	An authorized consumer of fault supervision data report service for NSI.
Telecom resources	Network slice instance
Assumptions	N/A
Pre-conditions	An NSI is deployed An authorized consumer has subscribed the notifications of an NSI.
Begins when	A change of perceivedSeverity attribute value (except to the value "Cleared") in AlarmInformation in AlarmList of NSI is detected.
Step 1 (M)	The producer of fault supervision data report service for NSI generates a changed alarm notification.
Step 2 (M)	The producer of fault supervision data report service for NSI sends the generated notification to its authorized consumer if this notification satisfies the filter condition if exists.
Ends when	The authorized consumer receives the changed alarm notification of the NSI or the authorized consumer unsubscribes the notifications of the NSI or the NSI is terminated.
Exceptions	In case any of the mandatory steps in the use case fails
Post-conditions	The authorized consumer receives the changed alarm notification of the NSI
Traceability	REQ-FSDR_NSI-FUN-7

5.1.20 Notify changed alarms of NSSI

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To notify changed alarms of NSSI.
Actors and Roles	An authorized consumer of fault supervision data report service for NSSI.
Telecom resources	Network slice subnet instance
Assumptions	N/A
Pre-conditions	An NSSI is deployed An authorized consumer has subscribed the notifications of an NSSI.
Begins when	A change of perceivedSeverity attribute value (except to the value "Cleared") in AlarmInformation in AlarmList of NSSI is detected.
Step 1 (M)	The producer of fault supervision data report service for NSSI generates a changed alarm notification.
Step 2 (M)	The producer of fault supervision data report service for NSSI sends the generated notification to its authorized consumer if this notification satisfies the filter condition if exists.
Ends when	The authorized consumer receives the changed alarm notification of the NSSI or the authorized consumer unsubscribes the notifications of the NSSI or the NSSI is terminated.
Exceptions	In case any of the mandatory steps in the use case fails
Post-conditions	The authorized consumer receives the changed alarm notification of the NSSI
Traceability	REQ-FSDR_NSSI-FUN-7

5.1.21 Notify changed alarms of NF instance

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To notify changed alarms of NF instance.
Actors and Roles	An authorized consumer of fault supervision data report service for NF.
Telecom resources	Network function instance
Assumptions	N/A
Pre-conditions	An NF instance is deployed An authorized consumer has subscribed the notifications of an NF instance.
Begins when	A change of perceivedSeverity attribute value (except to the value "Cleared") in AlarmInformation in AlarmList of NF instance is detected.
Step 1 (M)	The producer of fault supervision data report service for NF generates a changed alarm notification of the NF instance.
Step 2 (M)	The producer of fault supervision data report service for NF sends the generated notification to its authorized consumer if this notification satisfies the filter condition if exists.
Ends when	The authorized consumer receives the changed alarm notification of the NF instance or the authorized consumer unsubscribes the notifications of the NF instance or the NF instance is terminated.
Exceptions	In case any of the mandatory steps in the use case fails
Post-conditions	The authorized consumer receives the changed alarm notification of the NF instance
Traceability	REQ-FSDR_NF-FUN-9

5.1.22 Notify cleared alarms of NSI

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To notify cleared alarms of NSI.
Actors and Roles	An authorized consumer of fault supervision data control service for NSI.
Telecom resources	Network slice instance
Assumptions	N/A
Pre-conditions	An NSI is deployed An authorized consumer has subscribed the notifications of an NSI.
Begins when	An alarm clearing of the NSI is detected.
Step 1 (M)	The producer of fault supervision data control service for NSI generates a cleared alarm notification.
Step 2 (M)	The producer of fault supervision data control service for NSI sends the generated notification to its authorized consumer if this notification satisfies the filter condition if exists.
Ends when	The authorized consumer receives the cleared alarm notification of the NSI or the authorized consumer unsubscribes the notifications of the NSI or the NSI is terminated.
Exceptions	In case any of the mandatory steps in the use case fails
Post-conditions	The authorized consumer receives the cleared alarm notification of the NSI
Traceability	REQ-FSDR_NSI-FUN-8

5.1.23 Notify cleared alarms of NSSI

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To notify cleared alarms of NSSI.
Actors and Roles	An authorized consumer of fault supervision data control service for NSSI.
Telecom resources	Network slice subnet instance
Assumptions	N/A
Pre-conditions	An NSSI is deployed An authorized consumer has subscribed the notifications of an NSSI.
Begins when	An alarm clearing of the NSSI is detected.
Step 1 (M)	The producer of fault supervision data control service for NSSI generates a cleared alarm notification.
Step 2 (M)	The producer of fault supervision data control service for NSSI sends the generated notification to its authorized consumer if this notification satisfies the filter condition if exists.
Ends when	The authorized consumer receives the cleared alarm notification of the NSSI or the authorized consumer unsubscribes the notifications of the NSSI or the NSSI is terminated.
Exceptions	In case any of the mandatory steps in the use case fails
Post-conditions	The authorized consumer receives the cleared alarm notification of the NSSI
Traceability	REQ-FSDR_NSSI-FUN-8

5.1.24 Notify cleared alarms of NF instance

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To notify cleared alarms of NF instance.
Actors and Roles	An authorized consumer of fault supervision data control service for NF.
Telecom resources	Network function instance
Assumptions	N/A
Pre-conditions	An NF instance is deployed An authorized consumer has subscribed the notifications of an NF instance.
Begins when	An alarm clearing of NF instance is detected.
Step 1 (M)	The producer of fault supervision data control service for NF generates a cleared alarm notification of the NF instance.
Step 2 (M)	The producer of fault supervision data control service for NF sends the generated notification to its authorized consumer if this notification satisfies the filter condition if exists.
Ends when	The authorized consumer receives the cleared alarm notification of the NF instance or the authorized consumer unsubscribes the notifications of the NF instance or the NF instance is terminated.
Exceptions	In case any of the mandatory steps in the use case fails
Post-conditions	The authorized consumer receives the cleared alarm notification of the NF instance
Traceability	REQ-FSDR_NF-FUN-10

5.1.25 Notify acknowledgement state change of NSI alarms

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To notify acknowledgement state change of NSI alarms.
Actors and Roles	An authorized consumer of fault supervision data control service for NSI.
Telecom resources	Network slice instance
Assumptions	N/A
Pre-conditions	An NSI is deployed An authorized consumer has subscribed the notifications of an NSI.
Begins when	An acknowledgement state change of the NSI alarms is detected.
Step 1 (M)	The producer of fault supervision data control service for NSI generates an acknowledgement state change notification.
Step 2 (M)	The producer of fault supervision data control service for NSI sends the generated notification to its authorized consumer if this notification satisfies the filter condition if exists.
Ends when	The authorized consumer receives the acknowledgement state change notification of the NSI or the authorized consumer unsubscribes the notifications of the NSI or the NSI is terminated.
Exceptions	In case any of the mandatory steps in the use case fails
Post-conditions	The authorized consumer receives the acknowledgement state change notification of the NSI
Traceability	REQ-FSDC_NSI-FUN-4

5.1.26 Notify acknowledgement state change of NSSI alarms

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To notify acknowledgement state change of NSSI alarms.
Actors and Roles	An authorized consumer of fault supervision data control service for NSSI.
Telecom resources	Network slice subnet instance
Assumptions	N/A
Pre-conditions	An NSSI is deployed An authorized consumer has subscribed the notifications of an NSSI.
Begins when	An acknowledgement state change of the NSSI alarms is detected.
Step 1 (M)	The producer of fault supervision data control service for NSSI generates an acknowledgement state change notification.
Step 2 (M)	The producer of fault supervision data control service for NSSI sends the generated notification to its authorized consumer if this notification satisfies the filter condition if exists.
Ends when	The authorized consumer receives the acknowledgement state change notification of the NSSI or the authorized consumer unsubscribes the notifications of the NSSI or the NSSI is terminated.
Exceptions	In case any of the mandatory steps in the use case fails
Post-conditions	The authorized consumer receives the acknowledgement state change notification of the NSSI
Traceability	REQ-FSDC_NSSI-FUN-4

5.1.27 Notify acknowledgement state change of NF instance alarms

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To notify acknowledgement state change of NF instance alarms.
Actors and Roles	An authorized consumer of fault supervision data control service for NF.
Telecom resources	Network function instance
Assumptions	N/A
Pre-conditions	An NF instance is deployed An authorized consumer has subscribed the notifications of an NF instance.
Begins when	An acknowledgement state change of the NF instance alarms is detected.
Step 1 (M)	The producer of fault supervision data control service for NF generates an acknowledgement state change notification of the NF instance.
Step 2 (M)	The producer of fault supervision data control service for NFsends the generated notification to its authorized consumer if this notification satisfies the filter condition if exists.
Ends when	The authorized consumer receives the acknowledgement state change notification of the NF instance or the authorized consumer unsubscribes the notifications of the NF instance or the NF instance is terminated.
Exceptions	In case any of the mandatory steps in the use case fails
Post-conditions	The authorized consumer receives the acknowledgement state change notification of the NF instance
Traceability	REQ-FSDC_NF-FUN-4

5.1.28 Notify alarm list rebuilt for NSI alarms

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To notify alarm list rebuilt for NSI alarms.
Actors and Roles	A producer of Fault Supervision Data Report service for NSI An authorized consumer of Fault Supervision Data Report service for NSI
Telecom resources	N/A
Assumptions	N/A
Pre-conditions	An authorized consumer has subscribed to the alarm list rebuilt notification.
Begins when	The producer of Fault Supervision Data Report service for NSI detects that its alarm list has been rebuilt.
Step 1 (M)	The producer of Fault Supervision Data Report service for NSI generates an alarm list rebuilt notification.
Step 2 (M)	The producer of Fault Supervision Data Report service for NSI sends the generated notification to its authorized consumer if this notification satisfies the filter condition if exists.
Ends when	The notification is either received by the authorized consumer or suppressed by a notification filter in the subscription.
Exceptions	In case any of the mandatory steps in the use case fails
Post-conditions	N/A
Traceability	REQ-FSDR_NSI-FUN-X

5.1.29 Notify alarm list rebuilt for NSSI alarms

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To notify alarm list rebuilt for NSSI alarms.
Actors and Roles	A producer of Fault Supervision Data Report service for NSSI An authorized consumer of Fault Supervision Data Report service for NSSI
Telecom resources	N/A
Assumptions	N/A
Pre-conditions	An authorized consumer has subscribed to the alarm list rebuilt notification.
Begins when	The producer of Fault Supervision Data Report service for NSSI detects that its alarm list has been rebuilt.
Step 1 (M)	The producer of Fault Supervision Data Report service for NSSI generates an alarm list rebuilt notification.
Step 2 (M)	The producer of Fault Supervision Data Report service for NSSI sends the generated notification to its authorized consumer if this notification satisfies the filter condition if exists.
Ends when	The notification is either received by the authorized consumer or suppressed by a notification filter in the subscription.
Exceptions	In case any of the mandatory steps in the use case fails
Post-conditions	N/A
Traceability	REQ-FSDR_NSSI-FUN-X

5.1.30 Notify alarm list rebuilt for NF alarms

Use case stage	Evolution/Specification	<<Uses>> Related use
Goal	To notify alarm list rebuilt for NF alarms.
Actors and Roles	A producer of Fault Supervision Data Report service for NF An authorized consumer of Fault Supervision Data Report service for NF
Telecom resources	N/A
Assumptions	N/A
Pre-conditions	An authorized consumer has subscribed to the alarm list rebuilt notification.
Begins when	The producer of Fault Supervision Data Report service for NF detects that its alarm list has been rebuilt.
Step 1 (M)	The producer of Fault Supervision Data Report service for NF generates an alarm list rebuilt notification.
Step 2 (M)	The producer of Fault Supervision Data Report service for NF sends the generated notification to its authorized consumer if this notification satisfies the filter condition if exists.
Ends when	The notification is either received by the authorized consumer or suppressed by a notification filter in the subscription.
Exceptions	In case any of the mandatory steps in the use case fails
Post-conditions	N/A
Traceability	REQ-FSDR_NF-FUN-X

5.2 Requirements

5.2.1 Requirements for fault supervision data report service for NSI

REQ-FSDR_NSI-FUN-1 The fault supervision data report service for NSI shall have the capability to provide alarm notifications of an NSI to its authorized consumer.

REQ-FSDR_NSI-FUN-2 The fault supervision data report service for NSI shall have the capability to allow its authorized consumer to subscribe the alarm notifications of an NSI.

REQ-FSDR_NSI-FUN-3 The fault supervision data report service for NSI shall have the capability to allow its authorized consumer to unsubscribe the alarm notifications of an NSI.

REQ-FSDR_NSI-FUN-4 The fault supervision data report service for NSI shall have the capability to allow its authorized consumer to provide the filter for alarm notifications.

REQ-FSDR_NSI-FUN-5 The fault supervision data report service for NSI shall have the capability to provide the alarm list of an NSI.

REQ-FSDR_NSI-FUN-6 The fault supervision data report service for NSI shall have the capability to allow its authorized consumer to provide the filter for the alarms.

REQ-FSDR_NSI-FUN-7 The fault supervision data report service for NSI shall have the capability to provide changed alarm notifications of an NSI to its authorized consumer.

REQ-FSDR_NSI-FUN-8 The fault supervision data report service for NSI shall have the capability to provide cleared alarm notifications of an NSI to its authorized consumer.

REQ-FSDR_NSI-FUN-9 The fault supervision data report service for NSI shall have the capability to provide new generated alarm notifications of an NSI to its authorized consumer.

REQ-FSDR_NSI-FUN-10 The fault supervision data report service for NSI shall have the capability to provide alarm list rebuilt notifications to its authorized consumer whenever the alarm list is rebuilt.

5.2.2 Requirements for fault supervision data control service for NSI

REQ-FSDC_NSI-FUN-1 The fault supervision data control service for NSI shall have the capability to satisfy the request to acknowledge one or multiple alarms of an NSI. If this capability is not supported, then the producer shall be able to automatically acknowledge alarms.

REQ-FSDC_NSI-FUN-2 The fault supervision data control service for NSI shall have the capability to satisfy the request to clear one or multiple alarms of an NSI. This capability is only required if one or more of the alarms supported by the producer is of type ADMC.

REQ-FSDC_NSI-FUN-3 Void.

REQ-FSDC_NSI-FUN-4 The fault supervision data control service for NSI shall have the capability to provide acknowledgement state change notifications of an NSI to its authorized consumer.

5.2.3 Requirements for fault supervision data report service for NSSI

REQ-FSDR_NSSI-FUN-1 The fault supervision data report service for NSSI shall have the capability to provide alarm notifications of a network slice subnet instance to its authorized consumer.

REQ-FSDR_NSSI-FUN-2 The fault supervision data report service for NSSI shall have the capability to allow its authorized consumer to subscribe the alarm notifications of an NSSI.

REQ-FSDR_NSSI-FUN-3 The fault supervision data report service for NSSI shall have the capability to allow its authorized consumer to unsubscribe the alarm notifications of an NSSI.

REQ-FSDR_NSSI-FUN-4 The fault supervision data report service for NSSI shall have the capability to allow its authorized consumer to provide the filter for alarm notifications.

REQ-FSDR_NSSI-FUN-5 The fault supervision data report service for NSSI shall have the capability to provide the alarm list of an NSSI.

REQ-FSDR_NSSI-FUN-6 The fault supervision data report service for NSSI shall have the capability to allow its authorized consumer to provide the filter for the alarms.

REQ-FSDR_NSSI-FUN-7 The fault supervision data report service for NSSI shall have the capability to provide changed alarm notifications of an NSSI to its authorized consumer.

REQ-FSDR_NSSI-FUN-8 The fault supervision data report service for NSSI shall have the capability to provide cleared alarm notifications of an NSSI to its authorized consumer.

REQ-FSDR_NSSI-FUN-9 The fault supervision data report service for NSSI shall have the capability to provide new generated alarm notifications of an NSSI to its authorized consumer.

REQ-FSDR_NSSI-FUN-10 The fault supervision data report service for NSSI shall have the capability to provide alarm list rebuilt notifications to its authorized consumer whenever the alarm list is rebuilt

5.2.4 Requirements for fault supervision data control service for NSSI

REQ-FSDC_NSSI-FUN-1 The fault supervision data control service for NSSI shall have the capability to satisfy the request to acknowledge one or multiple alarms of an NSSI. If this capability is not supported, then the producer shall be able to automatically acknowledge alarms.

REQ-FSDC_NSSI-FUN-2 The fault supervision data control service for NSSI shall have the capability to satisfy the request to clear one or multiple alarms of an NSSI. This capability is only required if one or more of the alarms supported by the producer is of type ADMC.

REQ-FSDC_NSSI-FUN-3 Void.

REQ-FSDC_NSSI-FUN-4 The fault supervision data control service for NSSI shall have the capability to provide acknowledgement state change notifications of an NSSI to its authorized consumer.

5.2.5 Requirements for fault supervision data report service for NF

REQ-FSDR_NF-FUN-1 The fault supervision data report service for NF shall have the capability to provide alarm notifications of a network function instance to its authorized consumer.

REQ-FSDR_NF-FUN-2 The fault supervision data report service for NF shall have the capability to provide alarm notifications of virtualized resources correlated with an NF instance to its authorized consumer.

REQ-FSDR_NF-FUN-3 The fault supervision data report service for NF shall have the capability to allow its authorized consumer to subscribe the alarm notifications of an NF instance.

REQ-FSDR_NF-FUN-4 The fault supervision data report service for NF shall have the capability to allow its authorized consumer to unsubscribe the alarm notifications of an NF instance.

REQ-FSDR_NF-FUN-5 The fault supervision data report service for NF shall have the capability to allow its authorized consumer to provide the filter for alarm notifications.

REQ-FSDR_NF-FUN-6 The fault supervision data report service for NF shall have the capability to provide the alarm list of an NF instance.

REQ-FSDR_NF-FUN-7 The fault supervision data report service for NF shall have the capability to provide the alarm list of virtualized resources correlated with an NF instance.

REQ-FSDR_NF-FUN-8 The fault supervision data report service for NF shall have the capability to allow its authorized consumer to provide the filter for the alarms.

REQ-FSDR_NF-FUN-9 The fault supervision data report service for NF shall have the capability to provide changed alarm notifications of an NF instance to its authorized consumer.

REQ-FSDR_NF-FUN-10 The fault supervision data report service for NF shall have the capability to provide cleared alarm notifications of an NF instance to its authorized consumer.

REQ-FSDR_NF-FUN-11 The fault supervision data report service for NF shall have the capability to provide new generated alarm notifications of an NF instance to its authorized consumer.

REQ-FSDR_NF-FUN-12 The fault supervision data report service for NF shall have the capability to provide alarm list rebuilt notifications to its authorized consumer whenever the alarm list is rebuilt.

5.2.6 Requirements for fault supervision data control service for NF

REQ-FSDC_NF-FUN-1 The fault supervision data control service for NF shall have the capability to satisfy the request to acknowledge one or multiple alarms of an NF instance. If this capability is not supported, then the producer shall be able to automatically acknowledge alarms.

REQ-FSDC_NF-FUN-2 The fault supervision data control service for NF shall have the capability to satisfy the request to clear one or multiple alarms of an NF instance. This capability is only required if one or more of the alarms supported by the producer is of type ADMC.

REQ-FSDC_NF-FUN-3 Void.

REQ-FSDC_NF-FUN-4 The fault supervision data control service for NF shall have the capability to provide acknowledgement state change notifications of an NF instance to its authorized consumer.