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we love WebRTC because it is p2p
better security lower latency less hassle lower cost
BS METER THEY SAY P2P HAS: 90% BS
25%
75%
25%
CONFERENCING RECORDING TALKING TO PHONES BROADCASTING
RECORDING
QUICK CONNECT
NAT TRAVERSAL
THE MCU THE SFU P2P MESH
THE MCU THE SFU P2P MESH
MIX
THE MCU THE SFU P2P MESS
MIX
C
ALL ABOUT THE PERF
A L L A B O U T INTEROP
ALL ABOUT … NOT SURE
THE SFU
ALL ABOUT THE PERF
20% CPU
1000 video streams 550
Megabits https://jitsi.org/videobridge/
performance
WORK FOR A MOBILE?
an MCU only sends 1 stream
an SFU needs tons of bandwith but … from a participant perspective
WOULD AN SFU EVER
SIM & SVC in a
nutshell
s i m u l c a s t
SVC: SCALABLE VIDEO CODING
SVC: SCALABLE VIDEO CODING
SVC: SCALABLE VIDEO CODING
SVC: SCALABLE VIDEO CODING
SVC: SCALABLE VIDEO CODING
SPACIAL SVC
TEMPORAL SVC
simulcast in chrome o=- 3407482598521328076 2 IN IP4 127.0.0.1
s=- t=0 0 a=group:BUNDLE audio video data ... m=audio 9 RTP/SAVPF 111 103 104 9 0 8 106 105 13 126 ... m=video 9 RTP/SAVPF 100 116 117 96 ... cr
eate
Of
fer
simulcast in chrome o=- 3407482598521328076 2 IN IP4 127.0.0.1
s=- t=0 0 ... m=audio 9 RTP/SAVPF 111 103 104 9 0 8 106 105 13 126 ... m=video 9 RTP/SAVPF 100 116 117 96 a=ssrc-group:SIM 3535700627 3169665807 0902838992 a=ssrc:3535700627 cname:localCname a=ssrc:3535700627 msid:DN4NQ 0a1622a6a67d a=ssrc:3169665807 cname:localCname a=ssrc:3169665807 msid:DN4NQ 0a1622a6a67d a=ssrc:0902838992 cname:localCname a=ssrc:0902838992 msid:DN4NQ 0a1622a6a67d setL
ocal
Des
crip
tion
sim
ulc
ast
simulcast: raison d'être
360p
720p
1080p
using endpoint generated bandwidth estimations (REMB) draft-alvestrand-rmcat-congestion draft-alvestrand-rmcat-remb
simulcast: raison d'être
360p
720p
1080p
using endpoint generated bandwidth estimations (REMB) draft-alvestrand-rmcat-congestion draft-alvestrand-rmcat-remb
1080p
simulcast: raison d'être
360p
720p
1080p
using endpoint generated bandwidth estimations (REMB) draft-alvestrand-rmcat-congestion draft-alvestrand-rmcat-remb
1080p
fiber or cable
simulcast: raison d'être
360p
720p
1080p
using endpoint generated bandwidth estimations (REMB) draft-alvestrand-rmcat-congestion draft-alvestrand-rmcat-remb
Wi-Fi
720p
simulcast: raison d'être
360p
720p
1080p
using endpoint generated bandwidth estimations (REMB) draft-alvestrand-rmcat-congestion draft-alvestrand-rmcat-remb
3g
360p
simulcast: raison d'être
360p
720p
1080p
using endpoint generated bandwidth estimations (REMB) draft-alvestrand-rmcat-congestion draft-alvestrand-rmcat-remb
3g
360p
fiber or cable
simulcast: raison d'être
360p
720p
1080p
using endpoint generated bandwidth estimations (REMB) draft-alvestrand-rmcat-congestion draft-alvestrand-rmcat-remb
3g
360p
Wi-Fi
simulcast: raison d'être
360p
720p
using endpoint generated bandwidth estimations (REMB) draft-alvestrand-rmcat-congestion draft-alvestrand-rmcat-remb
360p
3g
360p
3g
no yes no
no yes no
soon yes soon
How about the W3C and IETF ?
(to be filled in on Thursday)
20% CPU
1000 video streams 550
Megabits
