WebRTC for Managers!
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Transcript of WebRTC for Managers!
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WebRTCAmitesh MadCisco Systems
Wikipedia : WebRTC (Web Real-Time Communication) is an API definition being drafted by the World Wide Web Consortium (W3C) to enable browser-to-browser applications for voice calling, video chat, and P2P file sharing without plugins
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Contributions
Cullen Jennings (aka: fluffy)Cisco Fellow
Justin Uberti Google WebRTC Tech Lead
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About WebRTC
1. Collects audio, video inputs2. Screen share 3. Peer connection 4. Send random-data
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Its peer to peer
ServerX
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Demos
1. Collects audio, video inputs1. http://webcamtoy.com/app/2. http://idevelop.ro/ascii-camera/ 3. record-user-webm.html
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Its peer to peer
Host Callee
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Its peer to peer
Server over HTTP/WebSockets
Host Callee
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Its peer to peer
Server over HTTP/WebSockets
Signaling
Signaling
Host Callee
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Its peer to peer
Server over HTTP/WebSockets
Signaling
Signaling
Host CalleeOffer
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Its peer to peer
Server over HTTP/WebSockets
Signaling
Signaling
Host CalleeOffer
Answer
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Its peer to peer
Server over HTTP/WebSockets
Signaling
Signaling
Host Callee
XX
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Advantages
Browser connected to other browser.
No Server, less latency.
Sends data without 3 way handshake.
Provide both reliable and unreliable sharing.
Secure, encrypted, offer-answer model.
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WebRTC acronyms
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1. v=02. o=- 4104655485640177113 2 IN IP4 127.0.0.13. s=-4. t=0 05. a=group:BUNDLE audio video6. a=msid-semantic: WMS rOmWIpzWvuXFX1SHtiHiukEx9AYzhdfJE5T97. m=audio 54483 RTP/SAVPF 111 103 104 0 8 106 105 13 1268. c=IN IP4 10.100.48.409. a=rtcp:54483 IN IP4 10.100.48.4010. a=candidate:2921619256 1 udp 2113937151 10.100.48.40 62895 typ host generation 011. a=candidate:2921619256 2 udp 2113937151 10.100.48.40 62895 typ host generation 012. a=candidate:3769082824 1 tcp 1509957375 10.100.48.40 0 typ host generation 013. a=candidate:3769082824 2 tcp 1509957375 10.100.48.40 0 typ host generation 014. a=candidate:1074717678 1 udp 33562367 10.100.48.40 54483 typ relay raddr 10.100.48.40 rport 62896 generation 015. a=candidate:1074717678 2 udp 33562367 10.100.48.40 54483 typ relay raddr 10.100.48.40 rport 62896 generation 016. a=ice-ufrag:3pGWjLQzkWqNoVpS17. a=ice-pwd:ZP46JnvinrZzz7dzfTbi69b618. a=ice-options:google-ice19. a=fingerprint:sha-256 A7:72:51:07:33:73:37:85:FC:97:36:1C:03:3A:80:92:44:F3:67:74:6E:3F:BF:E4:37:68:A2:5A:55:92:11:F920. a=setup:actpass21. a=mid:audio22. a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level23. a=sendrecv24. a=rtcp-mux25. a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:Qwz9z19RwYxYwXQpgA9IZqVlA5HFJBffzuhmzVm226. a=rtpmap:111 opus/48000/227. a=fmtp:111 minptime=1028. a=rtpmap:103 ISAC/1600029. a=rtpmap:104 ISAC/3200030. a=rtpmap:0 PCMU/800031. a=rtpmap:8 PCMA/800032. a=rtpmap:106 CN/3200033. a=rtpmap:105 CN/1600034. a=rtpmap:13 CN/800035. a=rtpmap:126 telephone-event/800036. a=maxptime:6037. a=ssrc:3826769839 cname:WWohplTFKzmkwgSo38. a=ssrc:3826769839 msid:rOmWIpzWvuXFX1SHtiHiukEx9AYzhdfJE5T9 rOmWIpzWvuXFX1SHtiHiukEx9AYzhdfJE5T9a039. a=ssrc:3826769839 mslabel:rOmWIpzWvuXFX1SHtiHiukEx9AYzhdfJE5T940. a=ssrc:3826769839 label:rOmWIpzWvuXFX1SHtiHiukEx9AYzhdfJE5T9a041. m=video 54483 RTP/SAVPF 100 116 11742. c=IN IP4 10.100.48.4043. a=rtcp:54483 IN IP4 10.100.48.4044. a=candidate:2921619256 1 udp 2113937151 10.100.48.40 62895 typ host generation 045. a=candidate:2921619256 2 udp 2113937151 10.100.48.40 62895 typ host generation 046. a=candidate:3769082824 1 tcp 1509957375 10.100.48.40 0 typ host generation 047. a=candidate:3769082824 2 tcp 1509957375 10.100.48.40 0 typ host generation 048. a=candidate:1074717678 1 udp 33562367 10.100.48.40 54483 typ relay raddr 10.100.48.40 rport 62896 generation 049. a=candidate:1074717678 2 udp 33562367 10.100.48.40 54483 typ relay raddr 10.100.48.40 rport 62896 generation 050. a=ice-ufrag:3pGWjLQzkWqNoVpS51. a=ice-pwd:ZP46JnvinrZzz7dzfTbi69b652. a=ice-options:google-ice53. a=fingerprint:sha-256 A7:72:51:07:33:73:37:85:FC:97:36:1C:03:3A:80:92:44:F3:67:74:6E:3F:BF:E4:37:68:A2:5A:55:92:11:F954. a=setup:actpass55. a=mid:video56. a=extmap:2 urn:ietf:params:rtp-hdrext:toffset57. a=extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time58. a=sendrecv59. a=rtcp-mux60. a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:Qwz9z19RwYxYwXQpgA9IZqVlA5HFJBffzuhmzVm261. a=rtpmap:100 VP8/9000062. a=rtcp-fb:100 ccm fir63. a=rtcp-fb:100 nack64. a=rtcp-fb:100 goog-remb65. a=rtpmap:116 red/9000066. a=rtpmap:117 ulpfec/9000067. a=ssrc:2630650822 cname:WWohplTFKzmkwgSo68. a=ssrc:2630650822 msid:rOmWIpzWvuXFX1SHtiHiukEx9AYzhdfJE5T9 rOmWIpzWvuXFX1SHtiHiukEx9AYzhdfJE5T9v069. a=ssrc:2630650822 mslabel:rOmWIpzWvuXFX1SHtiHiukEx9AYzhdfJE5T9
SIP/SDP
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Image Source: https://hacks.mozilla.org/2013/07/webrtc-and-the-ocean-of-acronyms/
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Peer to peer and plugin free
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Can we make $$$
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Phone 2 Phone
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TV 2 TV
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TV and Glass
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Faster file sharing.
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Reduce load on CDN
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Torrent
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>= 21 >= 20 >= 12
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Microsoft kept low profile while others were already implementing
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Customizable, Ubiquitous Real Time Communication over the Web (aka CU-RTC-
Web)
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Microsoft’s take: More flexibilities, no single codec
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Google and Mozilla want to use VP8(Google 2010), default video codec. Microsoft has been
sceptical about VP8.
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Microsoft announced its support for H.264 and HTML5 web video at its Mix10 developers conference in Las Vegas in
March.
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Cisco Making a Bid to Solve WebRTC Video Codec Battle
Mozilla will add H.264 to Firefox as Cisco makes eleventh-hour push for WebRTC’s future
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Microsoft unhappy with SDP
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A vote carried out in September to choose between the two paths was heavily in favor of WebRTC. It
won with 22 votes to just 4 for Microsoft's proposal.
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Don’t worry!
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WebRTC4all… Plugin free???
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Thank youTwitter: @amiteshawa