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SDL Notification
when a new NodeB (eNB or gNB) is added, Updated or deleted in RNIB, or when a state of NodeB is changed, the following SDL Notification generated.
E2M supports 2 types of SDL Notification, the client can subscribe to each of them:
- NodeB ModificationManipulation- The Notification specifies the RAN Name + its Status
- NodeB State Change - - The Notification specifies the RAN Name + the action (Added, Updated, Deleted)
In the following scenarios E2M generates SDL Notification:
| Issue | NodeB State Change | NodeB ModificationManipulation | Comments |
|---|---|---|---|
| Setup Request from RAN | + | Only in case the NodeB was previously Disconnected | |
| Insert eNB API | + | ||
Update eNB API, Update gNB API | + | ||
Lost Connection Connection, Red Button (Shut Down) | + | Only in case the NodeB was previously Connected | |
E2T Restart, Keep Alive decides this E2T Instance is dead | + | Only in case this NodeB was under the control of this E2T Instance and it was previously Connected | |
| Delete eNB API | + |
Example of NodeB State Change
1592819435.658629 [0 ?:0] "PUBLISH" "{e2Manager},RAN_CONNECTION_STATUS_CHANGE" "gnb_208_092_303030_CONNECTED" |
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