Hi @gagandeepsaluja
I think EDS for x-walk and franklin is running on same infrastructure thats is AWS. But you can confirm from Adobe.
The PIPE is responsible for rendering the content. Running on AWS Lambda, it handles:
• Rendering of full and partial HTML pages.
• Processing JSON from spreadsheets.
• Managing form submissions.
• Handling redirect and OPTIONS requests.
All content that is delivered through the pipeline is stored in the Content Hub on S3:

Current Architecture
https://github.com/adobe/helix-home/blob/main/docs/architecture-v5.md
The initial architectural was, where bring-your-own (Adobe I/O) runtime framework-driven approach that would allow server-side customisation
https://github.com/adobe/helix-home/blob/main/docs/architecture.md#overview