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  • Message Flow: Request/Acknowledge/Poll
  • Message Flow: Request/Acknowledge/Notify

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  1. General platform architecture

Message flow examples

PreviousPlatform components descriptionNextLogical Authorisation Model

Last updated 1 year ago

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This are some examples how a message flows in the Open Smart Grid Platform.

Message Flow: Request/Acknowledge/Poll

Step

Description

1

WS adapter receives client soap request with organization certificate and organization id in soap header

2

WS adapter authenticates organization, checks authorizations and sends request message to domain adapter (via queue)

3

WS adapter returns soap acknowledgement with correlation id

4

Domain adapter sends request message to core (via queue)

5

Core determines protocol for device and sends request message to protocol adapter (via queue)

6

Protocol adapter translates domain request message, sends request to device and receives response from device

7

Protocol adapter sends response message to core (via queue)

8

Core forwards response message to domain adapter (via queue)

9

Domain adapter forwards response message to response queue

10

Client app polls for response using correlation id (with organization certificate and organization id in soap header)

11

WS adapter retrieves response message from response queue

12

WS adapter sends soap response to client app

Message Flow: Request/Acknowledge/Notify

Step

Description

1-8

Same as request/acknowledge/poll message flow

9

Domain adapter forwards response message to WS adapter

10

WS adapter stores response in DB

11

WS adapter sends soap notification with correlation id to the client app*

12

Client app sends soap request with correlation id to retrieve the response

13

WS adapter retrieves (and deletes) response from DB

14

WS adapter sends soap response to the client app

*In case the response is not timely retrieved by the client app, OSGP will resend the notification with correlation id to the client app. The amount of retries is configurable.

Request/Acknowledge/Poll
Request/Acknowledge/Notify