Page Comparison

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1. The client makes a request from the internet

2. Route 53, or other DNS directs the request to the Revalidation service

3. The WAF checks the incoming request is acceptable

4. API Gateway routes the message to the controller

5. The controller routes messages to the back end and TIS Core via private API Gateway calls

6. The back end and TIS Core send their responses back to the controller via the gateway

7. The controller aggregates the response and returns it to the public API Gateway

8. The public API Gateway sends the response back to the client via the WAF and Route 53.

Current Implementation

This is the current implementation in stage-revalidation as at Fri 24/04/2020:

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