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Understanding the realtime ecosystem

Avatar for Srushtika Neelakantam Srushtika Neelakantam
November 10, 2017
Technology
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63

Understanding the realtime ecosystem

For Chattanooga Developers Lunch meetup, TN, USA.

Avatar for Srushtika Neelakantam

Srushtika Neelakantam

November 10, 2017
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Transcript

  1. understanding the realtime ecosystem on the web

  2. hello! I am Srushtika Neelakantam @Srushtika | [email protected]

  3. None

  4. REALTIME What is it, anyways?

  5. The paradigm

  6. let’s talk about the rules a.k.a protocols WEBSOCKETS M Q

    T T CoAP H T T P S HTTP/2 T C P / I P U D P

  7. HTTP

  8. AJAX POLLING

  9. AJAX LONG POLLING

  10. HTTP/2

  11. so, what’s wrong (or right)!?

  12. WEBSOCKETS

  13. Initial HTTP handshake Connection upgraded to websockets Source: Wikipedia Request

    Response

  14. “ Core concepts of the realtime world Pub/Sub Data-Sync RPCs

    Presence Realtime Search

  15. Pub/Sub Topic - Based Content - Based channels A B

    C I would like to have ‘A’ publishers subscribers subscribers I would like to have ‘XYZ’ publishers all data server server

  16. Data-sync via deepstreamHub

  17. RPCs request response client server/ router P 1 P 2

    P 3 P 4 providers

  18. Presence

  19. Realtime Search ? server/ router client Realtime database logic request

    responses

  20. Realtime is hard!

  21. Realtime is hard! Or is it?

  22. let’s look at a few examples!

  23. Event emitted

  24. Event emitted

  25. THAT’S ALL FOLKS ! Srushtika Neelakantam @Srushtika | [email protected] thankyou!