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The Explosion of Video in Telecom. Dr. Phil Hippensteel [email protected] ( 717) 448-0552. How Big is IT?. “Cisco Predicts Zetabyte of Video by 2015” “Microsoft Buys Skype for $8.5 Billion.” ”Video conferencing becomes commonplace over the Internet - PowerPoint PPT Presentation
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Produced by and Copyright, 2012 Phil Hippensteel Associates
The Explosion of Video in Telecom
Dr. Phil [email protected] (717) 448-0552
2 Produced by and Copyright, 2012 Phil Hippensteel Associates,
How Big is IT?
“Cisco Predicts Zetabyte of Video by 2015”
“Microsoft Buys Skype for $8.5 Billion.” ”Video conferencing becomes
commonplace over the Internet “NetFlix Becomes Number One Internet
App in the Evening” Internet TV Takes Off
3 Produced by and Copyright, 2012 Phil Hippensteel Associates,
Forms of Video
Type 1: Broadcast one source to many receivers: over-the-air, Comcast, FIOS, U-Verse.
Type 2: One-to-one or one-to group: video conferencing.
Type 3: Streamed from a server: Netflix, Hulu +, YouTube.
4 Produced by and Copyright, 2012 Phil Hippensteel Associates,
Three Main Techniques
Analog or digital broadcast from antenna to antenna. UDP over IP protocols (Comcast, FIOS)
Delivery in Internet type packets. No retransmission of lost data. Very high quality network needed.
TCP/IP or HTTP/TCP/IP (Internet TV, YouTube, Netflix) Retransmissions of lost data possible. Minimum of several seconds/minutes of delay to start play
out.
5 Produced by and Copyright, 2012 Phil Hippensteel Associates,
What Are the Trends?
Over the air is decreasing. Video conferencing is dramatically
increasing. Streaming is increasing. End points are becoming very diverse.
In size In connection method.
Wireless connections are increasing.
6 Produced by and Copyright, 2012 Phil Hippensteel Associates,
What are the Challenges?
Video can consumes huge amounts of bandwidth. 1280i HD takes about 8-20 Mbps. Typical mobile bandwidth: 1-3 Mbps (average,
not peak).
Video traffic should be segregated on networks. Mixing with bursty data is problematic. Such network designs can be difficult.
7 Produced by and Copyright, 2012 Phil Hippensteel Associates,
New Technology Changes
SVC: scalable video coding. DASH: dynamic adaptive streaming. H.265 compression
Half the bandwidth of H.264, one-fourth of MPEG-2.
Browser based (pluggin) video conferencing client.
Wifi at gigabit speeds (802.11 ac)
8 Produced by and Copyright, 2012 Phil Hippensteel Associates,
Quote
“The Internet will never carry high quality voice and certainly not video”
Phil Hippensteel, 2001
9 Produced by and Copyright, 2012 Phil Hippensteel Associates,
QUESTIONS?
