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IETF remote participation via Meetecho @ WebRTC Meetup Stockholm

The document outlines the evolution of remote participation in IETF meetings through the implementation of WebRTC technology and the MeetEcho tool. It discusses the challenges faced with previous systems and highlights improvements made over several IETF meetings, including audio/video integration and troubleshooting methods. The advancement of services led to more effective remote participation, enabling better engagement and interaction for attendees worldwide.

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IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Enabling remote participation in a World-Wide engineering organization: How WebRTC is used in the IETF meetings Lorenzo Miniero @elminiero WebRTC Stockholm Meetup 16th February 2017, Stockholm
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps You may remember me from a couple of hours ago!
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Outline 1 A bit of history How did remote participation work in the IETF just a few years ago? Meetecho: How We Turned an IETF Experiment into an IETF Tool 2 Using WebRTC as a tool for remote participation at the IETF Choosing a WebRTC engine: remember Janus? Capturing and streaming: the typical layout of a session Detecting issues in advance: the Self-test application 3 What it all looks like Attending remotely: attendees, presenters and the virtual queue Monitoring and controlling sessions remotely Recording sessions and making them available for replay 4 Next steps
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps First of all, what is the IETF? • Internet Engineering Task Force (IETF) • Standardized pretty much all the protocols you use everyday... • HTTP, SMTP, POP3, IMAP, SNMP, SIP, SDP, RTP, XMPP, ... • All work done by volunteers (which means YOU could write an RFC!) • Several different Working Groups in different Areas • Routing, Security, Transport, Applications and Real-Time, ... • Each Working Group (WG) collaborates on mailing lists • General meetings three times a year all over the world • Typically once in America, once in Europe, once in Asia • On average ~1200 local participants • Most WGs meet to present and discuss the latest documents Newcomers Tutorial (Scott Bradner) • https://www.youtube.com/watch?v=L5D5RwWfQTA
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps First of all, what is the IETF? • Internet Engineering Task Force (IETF) • Standardized pretty much all the protocols you use everyday... • HTTP, SMTP, POP3, IMAP, SNMP, SIP, SDP, RTP, XMPP, ... • All work done by volunteers (which means YOU could write an RFC!) • Several different Working Groups in different Areas • Routing, Security, Transport, Applications and Real-Time, ... • Each Working Group (WG) collaborates on mailing lists • General meetings three times a year all over the world • Typically once in America, once in Europe, once in Asia • On average ~1200 local participants • Most WGs meet to present and discuss the latest documents Newcomers Tutorial (Scott Bradner) • https://www.youtube.com/watch?v=L5D5RwWfQTA
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps First of all, what is the IETF? • Internet Engineering Task Force (IETF) • Standardized pretty much all the protocols you use everyday... • HTTP, SMTP, POP3, IMAP, SNMP, SIP, SDP, RTP, XMPP, ... • All work done by volunteers (which means YOU could write an RFC!) • Several different Working Groups in different Areas • Routing, Security, Transport, Applications and Real-Time, ... • Each Working Group (WG) collaborates on mailing lists • General meetings three times a year all over the world • Typically once in America, once in Europe, once in Asia • On average ~1200 local participants • Most WGs meet to present and discuss the latest documents Newcomers Tutorial (Scott Bradner) • https://www.youtube.com/watch?v=L5D5RwWfQTA
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps First of all, what is the IETF? • Internet Engineering Task Force (IETF) • Standardized pretty much all the protocols you use everyday... • HTTP, SMTP, POP3, IMAP, SNMP, SIP, SDP, RTP, XMPP, ... • All work done by volunteers (which means YOU could write an RFC!) • Several different Working Groups in different Areas • Routing, Security, Transport, Applications and Real-Time, ... • Each Working Group (WG) collaborates on mailing lists • General meetings three times a year all over the world • Typically once in America, once in Europe, once in Asia • On average ~1200 local participants • Most WGs meet to present and discuss the latest documents Newcomers Tutorial (Scott Bradner) • https://www.youtube.com/watch?v=L5D5RwWfQTA
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps How did IETF remote participation work just a few years ago? • A few instruments to use together for each WG session • Jabber room (instant messaging) • MP3 stream (audio) • Downloadable slides (datatracker) • Kinda worked, but also quite awkward... • Attendees needed to manually download and open slides • Dedicated “Scribe” had to track every slide change, comment, etc. • Jabber room only way to interact • MP3 stream had several seconds of delay Making it simpler: the Meetecho Experiment (“eat your own dog food!”) • Web interface that included everything • Integrated Jabber room, automated slide feed, real-time audio/video feed
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps How did IETF remote participation work just a few years ago? • A few instruments to use together for each WG session • Jabber room (instant messaging) • MP3 stream (audio) • Downloadable slides (datatracker) • Kinda worked, but also quite awkward... • Attendees needed to manually download and open slides • Dedicated “Scribe” had to track every slide change, comment, etc. • Jabber room only way to interact • MP3 stream had several seconds of delay Making it simpler: the Meetecho Experiment (“eat your own dog food!”) • Web interface that included everything • Integrated Jabber room, automated slide feed, real-time audio/video feed
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps How did IETF remote participation work just a few years ago? • A few instruments to use together for each WG session • Jabber room (instant messaging) • MP3 stream (audio) • Downloadable slides (datatracker) • Kinda worked, but also quite awkward... • Attendees needed to manually download and open slides • Dedicated “Scribe” had to track every slide change, comment, etc. • Jabber room only way to interact • MP3 stream had several seconds of delay Making it simpler: the Meetecho Experiment (“eat your own dog food!”) • Web interface that included everything • Integrated Jabber room, automated slide feed, real-time audio/video feed
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Experimenting with Meetecho @ IETF 80 (Prague) • Dynamic web application that wrapped the WG Jabber room • Slides pre-converted to images and “triggered by us” at slide change • Java RTP applet implemented audio/video from the room • IETF team allowed us to use resources (e.g., mixer board) • Experiment covered 7-8 RAI (now ART) working groups • Funnily enough, RTCWEB BOF was one of the first we supported! • https://www.ietf.org/jabber/logs/rtcweb/2011-03-29.txt • Got very helpful feedback (both positive and negative) • “One page to rule them all” made participation much easier • Live audio (although lower quality) and addition of video widely praised • ... although some local attendees were confused by the presence of cameras • Integrated slides allowed attendees and scribes to relax • Most did not like the Java application to replay recordings, though... • HTML5 web app to replay recordings implemented during IETF week!!
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Experimenting with Meetecho @ IETF 80 (Prague) • Dynamic web application that wrapped the WG Jabber room • Slides pre-converted to images and “triggered by us” at slide change • Java RTP applet implemented audio/video from the room • IETF team allowed us to use resources (e.g., mixer board) • Experiment covered 7-8 RAI (now ART) working groups • Funnily enough, RTCWEB BOF was one of the first we supported! • https://www.ietf.org/jabber/logs/rtcweb/2011-03-29.txt • Got very helpful feedback (both positive and negative) • “One page to rule them all” made participation much easier • Live audio (although lower quality) and addition of video widely praised • ... although some local attendees were confused by the presence of cameras • Integrated slides allowed attendees and scribes to relax • Most did not like the Java application to replay recordings, though... • HTML5 web app to replay recordings implemented during IETF week!!
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Experimenting with Meetecho @ IETF 80 (Prague) • Dynamic web application that wrapped the WG Jabber room • Slides pre-converted to images and “triggered by us” at slide change • Java RTP applet implemented audio/video from the room • IETF team allowed us to use resources (e.g., mixer board) • Experiment covered 7-8 RAI (now ART) working groups • Funnily enough, RTCWEB BOF was one of the first we supported! • https://www.ietf.org/jabber/logs/rtcweb/2011-03-29.txt • Got very helpful feedback (both positive and negative) • “One page to rule them all” made participation much easier • Live audio (although lower quality) and addition of video widely praised • ... although some local attendees were confused by the presence of cameras • Integrated slides allowed attendees and scribes to relax • Most did not like the Java application to replay recordings, though... • HTML5 web app to replay recordings implemented during IETF week!!
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps The beginnings: Meetecho WebLite and RTCWebLite
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps The beginnings: Meetecho WebLite and RTCWebLite
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Improving the service meeting by meeting • IETF 81 (Quebec City) • Improved UI, 12 sessions, a couple in parallel • IETF 82 (Taipei) • 28 sessions, up to three in parallel • First active remote participation • IETF 83 (Paris) • Tutorial session to discuss Meetecho scribing and moderation • IETF 84 (Vancouver) • First meeting to provide WebRTC access (for RTCWEB only) • IETF 85 (Atlanta) • WebRTC support extended to other sessions as well • First meeting to provide Opus-encoded HTML5 audio stream • IETF 86 (Orlando) • Audio backend improved (from 8kHz to 16kHz)
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Improving the service meeting by meeting • IETF 87 (Berlin) • Presented our Opus efforts at Technical Plenary • Tutorial recording experiments • IETF 88 (Vancouver) • First experiments with WebRTC SFU video • IETF 89 (London) • First time four sessions covered in parallel • First deployment of statistics collector • IETF 90 (Toronto) • First time six sessions covered in parallel • IETF 91 (Honolulu) • All sessions covered for the first time • Janus used as audio/video backend for the first time • First deployment of docker-based architecture • https://www.internetsociety.org/publications/ietf-journal-march- 2014/meetecho-ietf-tool
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Meetecho growth @ IETF
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Meetecho growth @ IETF
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Choosing a WebRTC engine: remember Janus?
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Handling audio: mixer board, SIP and WebRTC • Audio backend is Asterisk’s ConfBridge + Janus SIP plugin • All attendees join the bridge via Janus • Opus-encoded thanks to our asterisk-opus patch • Streaming laptop in the room acts as a participant • Gets audio from mixer board (all mics) and sends it to the bridge • Remote bridge audio passed to mixer board as input (speakers) • Another laptop gets the overall mix (local+remote) for the MP3 streaming
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Handling video (1): static camera and projector • Static feeds are not originated by WebRTC • Static camera, remotely controllable • Projector feed, obtained via a splitter • Both captured and streamed (RTP+VP8) by FFmpeg • Janus Streaming plugin turns unicast RTP in WebRTC broadcast • Two static mountpoints attendees can subscribe to
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Handling video (2): remote speakers • Remote speakers send their video via WebRTC • Publish/subscribe mechanism • Janus VideoRoom acting as SFU • Laptop in the room acts as a regular subscriber • Used to display remote participants on a 2nd screen (Virtual Queue)
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps The Virtual Queue • Chairs moderate the in-room mic line questions • Remote attendees typically type questions in Jabber • Scribe relays them at the mic • ... but remote speakers belong to the mic line too! • Speaking directly solves long waiting times • Virtual Queue tries to solve that • In-room mic lines work as usual • Remote speakers appear in separate queue (2nd screen) • Chair can mute/unmute them with a “Big Red Button”
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Chairs love the “Big Red Button”
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Detecting issues in advance: the Self-test application • Problems can happen with WebRTC all the time • Network constraints or OS/browser issues • Big trouble if they happen during a session, though! • Wastes precious session time, and disrupts the flow • Worked on a Self-test application, to test everything in advance • Check microphone availability/levels • Check webcam availability • Connectivity checks (with/without STUN/TURN) • Record & Play for quality assessment • Generates JSON report we can evaluate to help • Since IETF 98, available on a permanent basis • https://selftest.conf.meetecho.com
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Detecting issues in advance: the Self-test application • Problems can happen with WebRTC all the time • Network constraints or OS/browser issues • Big trouble if they happen during a session, though! • Wastes precious session time, and disrupts the flow • Worked on a Self-test application, to test everything in advance • Check microphone availability/levels • Check webcam availability • Connectivity checks (with/without STUN/TURN) • Record & Play for quality assessment • Generates JSON report we can evaluate to help • Since IETF 98, available on a permanent basis • https://selftest.conf.meetecho.com
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Detecting issues in advance: the Self-test application • Problems can happen with WebRTC all the time • Network constraints or OS/browser issues • Big trouble if they happen during a session, though! • Wastes precious session time, and disrupts the flow • Worked on a Self-test application, to test everything in advance • Check microphone availability/levels • Check webcam availability • Connectivity checks (with/without STUN/TURN) • Record & Play for quality assessment • Generates JSON report we can evaluate to help • Since IETF 98, available on a permanent basis • https://selftest.conf.meetecho.com
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Meetecho: IETF meeting example https://ietf.org/meeting/remote-participation.html
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Meetecho: IETF meeting example https://ietf.org/meeting/remote-participation.html
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Meetecho: IETF meeting example https://ietf.org/meeting/remote-participation.html
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Meetecho: IETF meeting example https://ietf.org/meeting/remote-participation.html
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps “Director” room @ IETF meetings Completely WebRTC-based web application • Consumes the same Video streams remote attendees do • Additional knobs (control remote camera, streams, etc.)
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps “Director” room @ IETF meetings
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Meetecho: IETF recordings https://www.youtube.com/user/ietf
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Interim Meetings? Why not! • Two different types, typically • Virtual Interim Meetings (everybody online) • Physical Interim Meetings (mostly local, some remotes) • Virtual Interim Meetings • Meetecho as web conferencing platform • Several tools available (audio, video, chat, screensharing, etc.) • Physical Interim Meetings • Meetecho “IETF-style” • Would need local support and custom setup (mixers, webcams, etc.) Are we going towards a completely Virtual IETF meeting too? • First discussions started for Buenos Aires (Zika virus risk) • Discussion restarted recently for entirely different reasons...
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Interim Meetings? Why not! • Two different types, typically • Virtual Interim Meetings (everybody online) • Physical Interim Meetings (mostly local, some remotes) • Virtual Interim Meetings • Meetecho as web conferencing platform • Several tools available (audio, video, chat, screensharing, etc.) • Physical Interim Meetings • Meetecho “IETF-style” • Would need local support and custom setup (mixers, webcams, etc.) Are we going towards a completely Virtual IETF meeting too? • First discussions started for Buenos Aires (Zika virus risk) • Discussion restarted recently for entirely different reasons...
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Interim Meetings? Why not! • Two different types, typically • Virtual Interim Meetings (everybody online) • Physical Interim Meetings (mostly local, some remotes) • Virtual Interim Meetings • Meetecho as web conferencing platform • Several tools available (audio, video, chat, screensharing, etc.) • Physical Interim Meetings • Meetecho “IETF-style” • Would need local support and custom setup (mixers, webcams, etc.) Are we going towards a completely Virtual IETF meeting too? • First discussions started for Buenos Aires (Zika virus risk) • Discussion restarted recently for entirely different reasons...
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Interim Meetings? Why not! • Two different types, typically • Virtual Interim Meetings (everybody online) • Physical Interim Meetings (mostly local, some remotes) • Virtual Interim Meetings • Meetecho as web conferencing platform • Several tools available (audio, video, chat, screensharing, etc.) • Physical Interim Meetings • Meetecho “IETF-style” • Would need local support and custom setup (mixers, webcams, etc.) Are we going towards a completely Virtual IETF meeting too? • First discussions started for Buenos Aires (Zika virus risk) • Discussion restarted recently for entirely different reasons...
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps What to do next? • Keep the WebRTC implementation aligned • We don’t want to wake up one day and nothing works anymore! • We’re not forgetting other browsers • Edge already supported, but only did H.264 so far... • ... although dev versions should have VP8 now? • Improve the monitoring/troubleshooting tools • Self-test application helped greatly • Event Handlers could help even more • Scale Scale Scale! Test Test Test! • Remote users will very likely increase (especially from “some” countries...) See you in Chicago for IETF 98! • https://ietf98.conf.meetecho.com/ • https://www.ietf.org/meeting/98/remote-participation.html
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps What to do next? • Keep the WebRTC implementation aligned • We don’t want to wake up one day and nothing works anymore! • We’re not forgetting other browsers • Edge already supported, but only did H.264 so far... • ... although dev versions should have VP8 now? • Improve the monitoring/troubleshooting tools • Self-test application helped greatly • Event Handlers could help even more • Scale Scale Scale! Test Test Test! • Remote users will very likely increase (especially from “some” countries...) See you in Chicago for IETF 98! • https://ietf98.conf.meetecho.com/ • https://www.ietf.org/meeting/98/remote-participation.html
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps What to do next? • Keep the WebRTC implementation aligned • We don’t want to wake up one day and nothing works anymore! • We’re not forgetting other browsers • Edge already supported, but only did H.264 so far... • ... although dev versions should have VP8 now? • Improve the monitoring/troubleshooting tools • Self-test application helped greatly • Event Handlers could help even more • Scale Scale Scale! Test Test Test! • Remote users will very likely increase (especially from “some” countries...) See you in Chicago for IETF 98! • https://ietf98.conf.meetecho.com/ • https://www.ietf.org/meeting/98/remote-participation.html
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps What to do next? • Keep the WebRTC implementation aligned • We don’t want to wake up one day and nothing works anymore! • We’re not forgetting other browsers • Edge already supported, but only did H.264 so far... • ... although dev versions should have VP8 now? • Improve the monitoring/troubleshooting tools • Self-test application helped greatly • Event Handlers could help even more • Scale Scale Scale! Test Test Test! • Remote users will very likely increase (especially from “some” countries...) See you in Chicago for IETF 98! • https://ietf98.conf.meetecho.com/ • https://www.ietf.org/meeting/98/remote-participation.html
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps What to do next? • Keep the WebRTC implementation aligned • We don’t want to wake up one day and nothing works anymore! • We’re not forgetting other browsers • Edge already supported, but only did H.264 so far... • ... although dev versions should have VP8 now? • Improve the monitoring/troubleshooting tools • Self-test application helped greatly • Event Handlers could help even more • Scale Scale Scale! Test Test Test! • Remote users will very likely increase (especially from “some” countries...) See you in Chicago for IETF 98! • https://ietf98.conf.meetecho.com/ • https://www.ietf.org/meeting/98/remote-participation.html
IETFWebRTC L. Miniero History Legacy ways A novel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Questions? @elminiero @meetecho

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IETF remote participation via Meetecho @ WebRTC Meetup Stockholm

  • 1.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Enabling remote participation in a World-Wide engineering organization: How WebRTC is used in the IETF meetings Lorenzo Miniero @elminiero WebRTC Stockholm Meetup 16th February 2017, Stockholm
  • 2.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps You may remember me from a couple of hours ago!
  • 3.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Outline 1 A bit of history How did remote participation work in the IETF just a few years ago? Meetecho: How We Turned an IETF Experiment into an IETF Tool 2 Using WebRTC as a tool for remote participation at the IETF Choosing a WebRTC engine: remember Janus? Capturing and streaming: the typical layout of a session Detecting issues in advance: the Self-test application 3 What it all looks like Attending remotely: attendees, presenters and the virtual queue Monitoring and controlling sessions remotely Recording sessions and making them available for replay 4 Next steps
  • 4.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps First of all, what is the IETF? • Internet Engineering Task Force (IETF) • Standardized pretty much all the protocols you use everyday... • HTTP, SMTP, POP3, IMAP, SNMP, SIP, SDP, RTP, XMPP, ... • All work done by volunteers (which means YOU could write an RFC!) • Several different Working Groups in different Areas • Routing, Security, Transport, Applications and Real-Time, ... • Each Working Group (WG) collaborates on mailing lists • General meetings three times a year all over the world • Typically once in America, once in Europe, once in Asia • On average ~1200 local participants • Most WGs meet to present and discuss the latest documents Newcomers Tutorial (Scott Bradner) • https://www.youtube.com/watch?v=L5D5RwWfQTA
  • 5.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps First of all, what is the IETF? • Internet Engineering Task Force (IETF) • Standardized pretty much all the protocols you use everyday... • HTTP, SMTP, POP3, IMAP, SNMP, SIP, SDP, RTP, XMPP, ... • All work done by volunteers (which means YOU could write an RFC!) • Several different Working Groups in different Areas • Routing, Security, Transport, Applications and Real-Time, ... • Each Working Group (WG) collaborates on mailing lists • General meetings three times a year all over the world • Typically once in America, once in Europe, once in Asia • On average ~1200 local participants • Most WGs meet to present and discuss the latest documents Newcomers Tutorial (Scott Bradner) • https://www.youtube.com/watch?v=L5D5RwWfQTA
  • 6.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps First of all, what is the IETF? • Internet Engineering Task Force (IETF) • Standardized pretty much all the protocols you use everyday... • HTTP, SMTP, POP3, IMAP, SNMP, SIP, SDP, RTP, XMPP, ... • All work done by volunteers (which means YOU could write an RFC!) • Several different Working Groups in different Areas • Routing, Security, Transport, Applications and Real-Time, ... • Each Working Group (WG) collaborates on mailing lists • General meetings three times a year all over the world • Typically once in America, once in Europe, once in Asia • On average ~1200 local participants • Most WGs meet to present and discuss the latest documents Newcomers Tutorial (Scott Bradner) • https://www.youtube.com/watch?v=L5D5RwWfQTA
  • 7.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps First of all, what is the IETF? • Internet Engineering Task Force (IETF) • Standardized pretty much all the protocols you use everyday... • HTTP, SMTP, POP3, IMAP, SNMP, SIP, SDP, RTP, XMPP, ... • All work done by volunteers (which means YOU could write an RFC!) • Several different Working Groups in different Areas • Routing, Security, Transport, Applications and Real-Time, ... • Each Working Group (WG) collaborates on mailing lists • General meetings three times a year all over the world • Typically once in America, once in Europe, once in Asia • On average ~1200 local participants • Most WGs meet to present and discuss the latest documents Newcomers Tutorial (Scott Bradner) • https://www.youtube.com/watch?v=L5D5RwWfQTA
  • 8.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps How did IETF remote participation work just a few years ago? • A few instruments to use together for each WG session • Jabber room (instant messaging) • MP3 stream (audio) • Downloadable slides (datatracker) • Kinda worked, but also quite awkward... • Attendees needed to manually download and open slides • Dedicated “Scribe” had to track every slide change, comment, etc. • Jabber room only way to interact • MP3 stream had several seconds of delay Making it simpler: the Meetecho Experiment (“eat your own dog food!”) • Web interface that included everything • Integrated Jabber room, automated slide feed, real-time audio/video feed
  • 9.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps How did IETF remote participation work just a few years ago? • A few instruments to use together for each WG session • Jabber room (instant messaging) • MP3 stream (audio) • Downloadable slides (datatracker) • Kinda worked, but also quite awkward... • Attendees needed to manually download and open slides • Dedicated “Scribe” had to track every slide change, comment, etc. • Jabber room only way to interact • MP3 stream had several seconds of delay Making it simpler: the Meetecho Experiment (“eat your own dog food!”) • Web interface that included everything • Integrated Jabber room, automated slide feed, real-time audio/video feed
  • 10.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps How did IETF remote participation work just a few years ago? • A few instruments to use together for each WG session • Jabber room (instant messaging) • MP3 stream (audio) • Downloadable slides (datatracker) • Kinda worked, but also quite awkward... • Attendees needed to manually download and open slides • Dedicated “Scribe” had to track every slide change, comment, etc. • Jabber room only way to interact • MP3 stream had several seconds of delay Making it simpler: the Meetecho Experiment (“eat your own dog food!”) • Web interface that included everything • Integrated Jabber room, automated slide feed, real-time audio/video feed
  • 11.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Experimenting with Meetecho @ IETF 80 (Prague) • Dynamic web application that wrapped the WG Jabber room • Slides pre-converted to images and “triggered by us” at slide change • Java RTP applet implemented audio/video from the room • IETF team allowed us to use resources (e.g., mixer board) • Experiment covered 7-8 RAI (now ART) working groups • Funnily enough, RTCWEB BOF was one of the first we supported! • https://www.ietf.org/jabber/logs/rtcweb/2011-03-29.txt • Got very helpful feedback (both positive and negative) • “One page to rule them all” made participation much easier • Live audio (although lower quality) and addition of video widely praised • ... although some local attendees were confused by the presence of cameras • Integrated slides allowed attendees and scribes to relax • Most did not like the Java application to replay recordings, though... • HTML5 web app to replay recordings implemented during IETF week!!
  • 12.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Experimenting with Meetecho @ IETF 80 (Prague) • Dynamic web application that wrapped the WG Jabber room • Slides pre-converted to images and “triggered by us” at slide change • Java RTP applet implemented audio/video from the room • IETF team allowed us to use resources (e.g., mixer board) • Experiment covered 7-8 RAI (now ART) working groups • Funnily enough, RTCWEB BOF was one of the first we supported! • https://www.ietf.org/jabber/logs/rtcweb/2011-03-29.txt • Got very helpful feedback (both positive and negative) • “One page to rule them all” made participation much easier • Live audio (although lower quality) and addition of video widely praised • ... although some local attendees were confused by the presence of cameras • Integrated slides allowed attendees and scribes to relax • Most did not like the Java application to replay recordings, though... • HTML5 web app to replay recordings implemented during IETF week!!
  • 13.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Experimenting with Meetecho @ IETF 80 (Prague) • Dynamic web application that wrapped the WG Jabber room • Slides pre-converted to images and “triggered by us” at slide change • Java RTP applet implemented audio/video from the room • IETF team allowed us to use resources (e.g., mixer board) • Experiment covered 7-8 RAI (now ART) working groups • Funnily enough, RTCWEB BOF was one of the first we supported! • https://www.ietf.org/jabber/logs/rtcweb/2011-03-29.txt • Got very helpful feedback (both positive and negative) • “One page to rule them all” made participation much easier • Live audio (although lower quality) and addition of video widely praised • ... although some local attendees were confused by the presence of cameras • Integrated slides allowed attendees and scribes to relax • Most did not like the Java application to replay recordings, though... • HTML5 web app to replay recordings implemented during IETF week!!
  • 14.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps The beginnings: Meetecho WebLite and RTCWebLite
  • 15.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps The beginnings: Meetecho WebLite and RTCWebLite
  • 16.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Improving the service meeting by meeting • IETF 81 (Quebec City) • Improved UI, 12 sessions, a couple in parallel • IETF 82 (Taipei) • 28 sessions, up to three in parallel • First active remote participation • IETF 83 (Paris) • Tutorial session to discuss Meetecho scribing and moderation • IETF 84 (Vancouver) • First meeting to provide WebRTC access (for RTCWEB only) • IETF 85 (Atlanta) • WebRTC support extended to other sessions as well • First meeting to provide Opus-encoded HTML5 audio stream • IETF 86 (Orlando) • Audio backend improved (from 8kHz to 16kHz)
  • 17.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Improving the service meeting by meeting • IETF 87 (Berlin) • Presented our Opus efforts at Technical Plenary • Tutorial recording experiments • IETF 88 (Vancouver) • First experiments with WebRTC SFU video • IETF 89 (London) • First time four sessions covered in parallel • First deployment of statistics collector • IETF 90 (Toronto) • First time six sessions covered in parallel • IETF 91 (Honolulu) • All sessions covered for the first time • Janus used as audio/video backend for the first time • First deployment of docker-based architecture • https://www.internetsociety.org/publications/ietf-journal-march- 2014/meetecho-ietf-tool
  • 18.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Meetecho growth @ IETF
  • 19.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Meetecho growth @ IETF
  • 20.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Choosing a WebRTC engine: remember Janus?
  • 21.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Handling audio: mixer board, SIP and WebRTC • Audio backend is Asterisk’s ConfBridge + Janus SIP plugin • All attendees join the bridge via Janus • Opus-encoded thanks to our asterisk-opus patch • Streaming laptop in the room acts as a participant • Gets audio from mixer board (all mics) and sends it to the bridge • Remote bridge audio passed to mixer board as input (speakers) • Another laptop gets the overall mix (local+remote) for the MP3 streaming
  • 22.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Handling video (1): static camera and projector • Static feeds are not originated by WebRTC • Static camera, remotely controllable • Projector feed, obtained via a splitter • Both captured and streamed (RTP+VP8) by FFmpeg • Janus Streaming plugin turns unicast RTP in WebRTC broadcast • Two static mountpoints attendees can subscribe to
  • 23.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Handling video (2): remote speakers • Remote speakers send their video via WebRTC • Publish/subscribe mechanism • Janus VideoRoom acting as SFU • Laptop in the room acts as a regular subscriber • Used to display remote participants on a 2nd screen (Virtual Queue)
  • 24.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps The Virtual Queue • Chairs moderate the in-room mic line questions • Remote attendees typically type questions in Jabber • Scribe relays them at the mic • ... but remote speakers belong to the mic line too! • Speaking directly solves long waiting times • Virtual Queue tries to solve that • In-room mic lines work as usual • Remote speakers appear in separate queue (2nd screen) • Chair can mute/unmute them with a “Big Red Button”
  • 25.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Chairs love the “Big Red Button”
  • 26.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Detecting issues in advance: the Self-test application • Problems can happen with WebRTC all the time • Network constraints or OS/browser issues • Big trouble if they happen during a session, though! • Wastes precious session time, and disrupts the flow • Worked on a Self-test application, to test everything in advance • Check microphone availability/levels • Check webcam availability • Connectivity checks (with/without STUN/TURN) • Record & Play for quality assessment • Generates JSON report we can evaluate to help • Since IETF 98, available on a permanent basis • https://selftest.conf.meetecho.com
  • 27.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Detecting issues in advance: the Self-test application • Problems can happen with WebRTC all the time • Network constraints or OS/browser issues • Big trouble if they happen during a session, though! • Wastes precious session time, and disrupts the flow • Worked on a Self-test application, to test everything in advance • Check microphone availability/levels • Check webcam availability • Connectivity checks (with/without STUN/TURN) • Record & Play for quality assessment • Generates JSON report we can evaluate to help • Since IETF 98, available on a permanent basis • https://selftest.conf.meetecho.com
  • 28.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Detecting issues in advance: the Self-test application • Problems can happen with WebRTC all the time • Network constraints or OS/browser issues • Big trouble if they happen during a session, though! • Wastes precious session time, and disrupts the flow • Worked on a Self-test application, to test everything in advance • Check microphone availability/levels • Check webcam availability • Connectivity checks (with/without STUN/TURN) • Record & Play for quality assessment • Generates JSON report we can evaluate to help • Since IETF 98, available on a permanent basis • https://selftest.conf.meetecho.com
  • 29.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Meetecho: IETF meeting example https://ietf.org/meeting/remote-participation.html
  • 30.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Meetecho: IETF meeting example https://ietf.org/meeting/remote-participation.html
  • 31.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Meetecho: IETF meeting example https://ietf.org/meeting/remote-participation.html
  • 32.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Meetecho: IETF meeting example https://ietf.org/meeting/remote-participation.html
  • 33.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps “Director” room @ IETF meetings Completely WebRTC-based web application • Consumes the same Video streams remote attendees do • Additional knobs (control remote camera, streams, etc.)
  • 34.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps “Director” room @ IETF meetings
  • 35.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Meetecho: IETF recordings https://www.youtube.com/user/ietf
  • 36.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Interim Meetings? Why not! • Two different types, typically • Virtual Interim Meetings (everybody online) • Physical Interim Meetings (mostly local, some remotes) • Virtual Interim Meetings • Meetecho as web conferencing platform • Several tools available (audio, video, chat, screensharing, etc.) • Physical Interim Meetings • Meetecho “IETF-style” • Would need local support and custom setup (mixers, webcams, etc.) Are we going towards a completely Virtual IETF meeting too? • First discussions started for Buenos Aires (Zika virus risk) • Discussion restarted recently for entirely different reasons...
  • 37.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Interim Meetings? Why not! • Two different types, typically • Virtual Interim Meetings (everybody online) • Physical Interim Meetings (mostly local, some remotes) • Virtual Interim Meetings • Meetecho as web conferencing platform • Several tools available (audio, video, chat, screensharing, etc.) • Physical Interim Meetings • Meetecho “IETF-style” • Would need local support and custom setup (mixers, webcams, etc.) Are we going towards a completely Virtual IETF meeting too? • First discussions started for Buenos Aires (Zika virus risk) • Discussion restarted recently for entirely different reasons...
  • 38.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Interim Meetings? Why not! • Two different types, typically • Virtual Interim Meetings (everybody online) • Physical Interim Meetings (mostly local, some remotes) • Virtual Interim Meetings • Meetecho as web conferencing platform • Several tools available (audio, video, chat, screensharing, etc.) • Physical Interim Meetings • Meetecho “IETF-style” • Would need local support and custom setup (mixers, webcams, etc.) Are we going towards a completely Virtual IETF meeting too? • First discussions started for Buenos Aires (Zika virus risk) • Discussion restarted recently for entirely different reasons...
  • 39.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Interim Meetings? Why not! • Two different types, typically • Virtual Interim Meetings (everybody online) • Physical Interim Meetings (mostly local, some remotes) • Virtual Interim Meetings • Meetecho as web conferencing platform • Several tools available (audio, video, chat, screensharing, etc.) • Physical Interim Meetings • Meetecho “IETF-style” • Would need local support and custom setup (mixers, webcams, etc.) Are we going towards a completely Virtual IETF meeting too? • First discussions started for Buenos Aires (Zika virus risk) • Discussion restarted recently for entirely different reasons...
  • 40.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps What to do next? • Keep the WebRTC implementation aligned • We don’t want to wake up one day and nothing works anymore! • We’re not forgetting other browsers • Edge already supported, but only did H.264 so far... • ... although dev versions should have VP8 now? • Improve the monitoring/troubleshooting tools • Self-test application helped greatly • Event Handlers could help even more • Scale Scale Scale! Test Test Test! • Remote users will very likely increase (especially from “some” countries...) See you in Chicago for IETF 98! • https://ietf98.conf.meetecho.com/ • https://www.ietf.org/meeting/98/remote-participation.html
  • 41.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps What to do next? • Keep the WebRTC implementation aligned • We don’t want to wake up one day and nothing works anymore! • We’re not forgetting other browsers • Edge already supported, but only did H.264 so far... • ... although dev versions should have VP8 now? • Improve the monitoring/troubleshooting tools • Self-test application helped greatly • Event Handlers could help even more • Scale Scale Scale! Test Test Test! • Remote users will very likely increase (especially from “some” countries...) See you in Chicago for IETF 98! • https://ietf98.conf.meetecho.com/ • https://www.ietf.org/meeting/98/remote-participation.html
  • 42.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps What to do next? • Keep the WebRTC implementation aligned • We don’t want to wake up one day and nothing works anymore! • We’re not forgetting other browsers • Edge already supported, but only did H.264 so far... • ... although dev versions should have VP8 now? • Improve the monitoring/troubleshooting tools • Self-test application helped greatly • Event Handlers could help even more • Scale Scale Scale! Test Test Test! • Remote users will very likely increase (especially from “some” countries...) See you in Chicago for IETF 98! • https://ietf98.conf.meetecho.com/ • https://www.ietf.org/meeting/98/remote-participation.html
  • 43.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps What to do next? • Keep the WebRTC implementation aligned • We don’t want to wake up one day and nothing works anymore! • We’re not forgetting other browsers • Edge already supported, but only did H.264 so far... • ... although dev versions should have VP8 now? • Improve the monitoring/troubleshooting tools • Self-test application helped greatly • Event Handlers could help even more • Scale Scale Scale! Test Test Test! • Remote users will very likely increase (especially from “some” countries...) See you in Chicago for IETF 98! • https://ietf98.conf.meetecho.com/ • https://www.ietf.org/meeting/98/remote-participation.html
  • 44.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps What to do next? • Keep the WebRTC implementation aligned • We don’t want to wake up one day and nothing works anymore! • We’re not forgetting other browsers • Edge already supported, but only did H.264 so far... • ... although dev versions should have VP8 now? • Improve the monitoring/troubleshooting tools • Self-test application helped greatly • Event Handlers could help even more • Scale Scale Scale! Test Test Test! • Remote users will very likely increase (especially from “some” countries...) See you in Chicago for IETF 98! • https://ietf98.conf.meetecho.com/ • https://www.ietf.org/meeting/98/remote-participation.html
  • 45.
    IETFWebRTC L. Miniero History Legacy ways Anovel approach Remote participation Janus Architecture Troubleshooting Sessions Participation Director room Recordings Next steps Questions? @elminiero @meetecho