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Subscription Creation Events Handling

Assumptions

#AssumptionNotes
1Forwarded Subscription Event
communicates asynchronously.  (NCMP to DMI Plugins)  Once off timer would be responsible to publish messages in NCMP. 2Forwarded Subscription Event Responses communicates 3
Responses communicate asynchronously.  (from DMI Plugins to NCMP) 

Then, the NCMP would wait a response(s) within the timeframe agreed on.

TBD: A single step response or two step responses will be provided in the solution. 


2
The NCMP component should create a Subscription
Create
Event Outcome message and publish it into the topic (cm-avc-subscription-response)
in which
for Client Apps consumed from
.
The Outcome Response schema need to be decided on.

Issues & Decisions

DMI NCMP (Configurable param/property)
#IssueNotes Decision
1Possible 'timeframe' period for timeoutNCMP to Client Apps response timeout

30 sec

.

2Response in two steps or in a single step should be discussed with shareholders.(as of now)from DMI to NCMP responses

Is the ACK would be required? No

DMI-Plugin would publish actual response to NCMP

3Response schema should be decided

from DMI to NCMP response schemas should be decided for

both two steps response and

single step response

Should DMI Plugins detail cm-hande IDs in response? Yes

Accept or Decline


4Subscription event outcome schema should be decided

from DMI to Client Apps

  • Possible options for initial response and further updates
     
    1. Status only: COMPLETED / PARTIALLY_COMPLETED
    2. List of accepted CM Handle IDs
    3. List of declined CM Handle IDs

We include : 

  1. Status only: COMPLETED / PARTIALLY_COMPLETED
  2. List of accepted CM Handle IDs
  3. List of declined CM Handle IDs

Note : Avoid for wild card * (for all cm handles)

Possible Topic Names

1Forwarded ncmp-dmi-DMI Plugins2 Response-ncmp
#SourceDestinationContentTopic NameDestination
1Client AppsNCMPSubscription Create Eventcm-avc-subscription
2NCMPDMI Plugins

Forwarded Subscription Create Event

ncmp-dmi

-cm-avc-subscription

NCMP
3NCMPSubscription Event Outcomecm-avc-subscription-responseClient Apps

Implementation Details

...

-{DMI-DATA-SERVICE-NAME}


3DMI PluginsNCMPForwarded Subscription Create Event Responsedmi-ncmp-cm-avc-subscription

...

  1. Response in two steps
    1. Ack (response with DMI plugin detais e.g. DMI X and Y has started to processing)
    2. Process result response: 2 out of 3 DMI has responed. (The percentage is %66.)
  2. Response in a single step
    1. Process result response: 2 out of 3 DMI has responed. (The percentage is %66.)

...

4NCMPClient AppsSubscription Create Event Outcome
cm-avc-subscription-response

...

Implementation Details


Testing Details