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# XMPP Academy #2 Video and Slides
- URL: https://www.process-one.net/blog/xmpp-academy-2-video-and-slides/
- Published: 2015-11-04T23:00:00.000Z
- Updated: 2024-10-03T14:20:07.000Z
- Author: Mickaël Rémond

We had last wednesday our [second XMPP Academy](https://www.process-one.net/blog/xmpp-academy-2-november-4th/) live online event. Thank you for all our customers who attended and for all the questions we received.

Here are the questions that were covered during that session:

1. ejabberd questions:
  - What are ejabberd backends ? What backends are available in ejabberd and how do they work ? [direct link – 2m05s](https://youtu.be/SbpFgdryyIA?t=2m05s&ref=process-one.net)
  - I describe ejabberd backend architecture [direct link – 14m00s](https://youtu.be/SbpFgdryyIA?t=14m00s&ref=process-one.net)
  - I also dig into the specific topic of session backends [direct link – 19m42s](https://youtu.be/SbpFgdryyIA?t=19m42s&ref=process-one.net)
2. XMPP questions:
  - How can I learn and experiment with XMPP ? I demo using Psi XMPP console to learn XMPP at the protocol level. [direct link – 23m25s](https://youtu.be/SbpFgdryyIA?t=23m25s&ref=process-one.net)
  - What are message carbons and how do they work ? [direct link – 27m30s](https://youtu.be/SbpFgdryyIA?t=27m30s&ref=process-one.net)
  - Demo: learning about Message carbons with Psi XMPP console [direct link – 29m51s](https://youtu.be/SbpFgdryyIA?t=29m51s&ref=process-one.net)
  - Why do avatars / carbons not work in MUC rooms ? What is special about MUC rooms ? [direct link – 34m15s](https://youtu.be/SbpFgdryyIA?t=34m15s&ref=process-one.net)

The full video recording of that session is now online and available for everyone to enjoy.

Please, [send us your XMPP questions for the next event](https://www.process-one.net/en/company/contact/) !

For those who just need access to the slides, they are on Slideshare:

[**XMPP Academy #2**](https://www.slideshare.net/mremond/xmpp-academy-2?ref=process-one.net)from [**Mickaël Rémond**](https://www.slideshare.net/mremond?ref=process-one.net)

And of course, do not hesitate to watch [XMPP Academy #1 video](https://www.process-one.net/blog/processone-xmpp-academy-1-video-and-slides/).