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9.2 Processing of Requests and Responses

9.2.1 Request and Notification Formatting

Requests and Notifications mechanisms between the IN-CSE and the DM Server format the XML schema of the CPE methods defined in TR-069 [4] as an ACS would format the CPE methods that it would pass to the CPE. The IN-CSE would then also process the CPE methods as defined in TR-069 [4]. Likewise the ACS would send notifications in the format of the XML schema of the CPE for sending events using the Inform RPC.

9.2.2 ACS Request Processing Requirements

When receiving requests from the IN-CSE the ACS shall be capable of defining mechanisms to support triggering of immediate operations to device. If the device is not available the ACS returns an appropriate error code.

The ACS shall provide capability for the IN-CSE to indicate request policies to include: Retry policy, Request Time out.

9.2.3 ACS Notification Processing Requirements

When sending notifications to the IN-CSE:

  • The ACS shall be capable of providing a mechanism for the IN-CSE to subscribe to events.
  • The ACS shall be capable of providing a list of events for which the IN-CSE can subscribe.
  • The ACS shall be capable of providing a mechanism for the IN-CSE to unsubscribe from events.
  • The ACS shall be capable of providing an event delivery mechanism.
  • The ACS shall be capable of providing the capability for the IN-CSE to request event filters including: Event Code; Specific parameters changing value; Device; Any combination of the previous criteria.
  • The IN-CSE shall be capable of subscribing to be notified of changes to resources it manages.
  • The ACS shall be capable of notifying the IN-CSE of changes to resources to which the client has subscribed.