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In MDONS use case, prior to subscribing to topics to get event notifications. We manually register 'DCAE' in the domain controller (DC). Once registration is successful, system can subscribe to different topics of DC to get event notification. It is mandatory to pass 'notification URL' to DC so that when event occurs it posts notification to that URL.

Alarm Notification

• TAPI Alarm Notification[TAPI format]

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HOLMES

AAI APIs

Upon receiving NNI down alarm:

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{
  "name": "SDNCRequestEventPayloadEntry",
  "type": "record",
  "fields": [
    {
      "name": "request-id",
      "type": "string"
    },
    {
      "name": "service-name",
      "type": "string"
    },
    {
      "name": "service-type",
      "type": "string"
    }
  ]
}

SDNC API

Upon receiving the alarm event, DCAE_Output_Event, an SDNC API is called to do the following:

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