5 Information model definition
28.5173GPPFault Management (FM) for mobile networks that include virtualized network functionsRelease 17Stage 2Telecommunication managementTS
5.1 Itf-N
For Itf-N VNF alarm management, the IOCs defined by AlarmIRP which is specified in clause 5 of 3GPP TS 32.111-2 [2] shall be used.
5.2 Os-Ma-nfvo
None.
5.3 Ve-Vnfm-em
For Ve-Vnfm-em alarm management, the information elements and notifications which are specified in subclause 9.3 of IFA 008 [5] for VNF alarm management shall be used.
5.4 Ve-Vnfm-vnf
None.
5.5 Mapping rule for alarm information elements
5.5.1 For construction of notifyNewAlarm
The following table shows the rule on how to construct the various attributes of notifyNewAlarm (see clause 6.8.1 of TS 32.111-2 [2]).
The first column shows the notifyNewAlarm notification attributes.
The second column shows the "Attributes of the Alarm information element" (see clause 9.3.4.2 of [5]) used by AlarmNotification (see clause 9.3.2 of [5]) produced by VNFM.
Table 5.5.1: Mapping rule for notifyNewAlarm
|
NotifyNewAlarm attributes of TS 32.111-2 [2] |
Attributes of Alarm information elements in AlarmNotification of [5] |
Notes |
|---|---|---|
|
objectClass |
This and the next 3GPP defined attribute are used for the DN of an MOI (whose attribute vnfInstanceIdList contains one vnfInstanceId). |
|
|
objectInstance |
See above |
|
|
notificationId |
See entry in Table 6.8.1.2 of TS 32.111-2 [2] |
|
|
eventTime |
eventTime |
|
|
systemDN |
See entry in Table 6.8.1.2 of TS 32.111-2 [2] |
|
|
notificationType |
See entry in Table 6.8.1.2 of TS 32.111-2 [2] |
|
|
probableCause |
probableCause |
|
|
perceivedSeverity |
perceivedSeverity |
|
|
rootCauseIndicator |
isRootCause |
|
|
alarmType |
faultType |
|
|
specificProblem |
faultDetails |
|
|
correlatedNotifications |
correlatedAlarmId |
|
|
backedUpStatus |
Not used |
|
|
backUpObject |
Not used |
|
|
trendIndication |
Not used |
|
|
thresholdInfo |
Not used |
|
|
stateChangeDefinition |
Not used |
|
|
monitoredAttributes |
Not used |
|
|
proposedRepairActions |
Not used |
|
|
additionalText |
See entry in Table 6.8.1.2 of TS 32.111-2 [2] |
|
|
additionalInformation |
managedObjectId, vnfcId |
This is a list of two elements (encoded as strings) separatred by a semicolon. The first element is a string “vnfId:abc” where ‘abc’ is managedObjectId (of second column). The second element is a string “vnfcId:xyz” where xyz is the vnfcid (of second column). |
|
alarmId |
alarmId |
5.5.2 For construction of notifyClearedAlarm
The following table shows the rule on how to construct the various attributes of notifyClearedAlarm (see clause 6.8.3 of TS 32.111-2 [2]).
The first column shows the notifyClearedAlarm notification attributes.
The second column shows the “Attributes of the AlarmClearedNotification (see clause 9.3.3.3 of [5]) produced by VNFM.
Table 5.5.2: Mapping rule for notifyClearedAlarm
|
NotifyClearedAlarm attributes of TS 32.111-2 [2] |
Attributes of Alarm information elements in AlarmNotification of [5] |
Notes |
|---|---|---|
|
objectClass |
See Notes of Table 5.5.1 |
|
|
objectInstance |
See Notes of Table 5.5.1 |
|
|
notificationId |
See entry in Table 6.8.1.2 of TS 32.111-2 [2] |
|
|
eventTime |
alarmClearedTime |
|
|
systemDN |
See entry in Table 6.8.1.2 of TS 32.111-2 [2] |
|
|
notificationType |
See entry in Table 6.8.3.2 of TS 32.111-2 [2] |
|
|
probableCause |
Use the probableCause of the related notifyNewAlarm |
|
|
perceivedSeverity |
Use the value ‘cleared’. |
|
|
alarmType |
Use the alarmType of the related notifyNewAlarm. |
|
|
correlated Notifications |
See entry in Table 6.8.3.2 of TS 32.111-2 [2] |
|
|
clearUserId |
Not used. |
|
|
clearSystemId |
Not used |
|
|
alarmId |
alarmId |
5.5.3 For construction of notifyChangedAlarm
The following table shows the rule on how to construct the various attributes of notifyChangedAlarm (see clause 6.8.1 of TS 32.111-2 [2]).
The first column shows the notifyChangedAlarm notification attributes.
The second column shows the “Attributes of the Alarm information element” (see clause 9.3.4.2 of [5]) used by AlarmNotification (see clause 9.3.2 of [5]) produced by VNFM.
Table 5.5.3: Mapping rule for notifyChangedAlarm
|
NotifyChangedAlarm attributes of TS 32.111-2 [2] |
Attributes of Alarm information elements in AlarmNotification of [5] |
Notes |
|---|---|---|
|
objectClass |
See Notes of Table 5.5.1 |
|
|
objectInstance |
See Notes of Table 5.5.1 |
|
|
notificationId |
See entry in Table 6.8.1.2 of TS 32.111-2 [2] |
|
|
eventTime |
alarmChangedTime |
|
|
systemDN |
See entry in Table 6.8.1.2 of TS 32.111-2 [2] |
|
|
notificationType |
See entry in Table 6.8.1.2 of TS 32.111-2 [2] |
|
|
probableCause |
probableCause |
|
|
perceivedSeverity |
perceivedSeverity |
|
|
alarmType |
faultType |
|
|
alarmId |
alarmId |
5.5.4 For construction of notifyAckStateChangedAlarm
The following table shows the rule on how to construct the various attributes of notifyAckStateChangedAlarm (see clause 6.8.2 of TS 32.111-2 [2]).
The first column shows the notifyAckStateChangedAlarm notification attributes.
The second column shows the “Attributes of the Alarm information element” (see clause 9.3.4.2 of [5]) used by AlarmNotification (see clause 9.3.2 of [5]) produced by VNFM.
Table 5.5.4: Mapping rule for notifyAckStateChangedAlarm
|
NotifyAckStateChangedAlarm attributes of [3] |
Attributes of Alarm information elements in AlarmNotification of [2] |
Notes |
|---|---|---|
|
objectClass |
See Notes of Table 5.5.1 |
|
|
objectInstance |
See Notes of Table 5.5.1 |
|
|
notificationId |
See entry in Table 6.8.1.2 of TS 32.111-2 [2] |
|
|
eventTime |
eventTime |
|
|
systemDN |
See above |
|
|
notificationType |
See entry in Table 6.8.1.2 of TS 32.111-2 [2] |
|
|
probableCause |
probableCause |
|
|
perceived Severity |
perceivedSeverity |
|
|
alarmType |
faultType |
|
|
alarmId |
alarmId |
|
|
ackState |
ackState |
|
|
ackUserId |
||
|
ackSystemId |