1 / 9

The Explosion of Video in Telecom

The Explosion of Video in Telecom. Dr. Phil Hippensteel pjh15@psu.edu ( 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

wesley-miles
Download Presentation

The Explosion of Video in Telecom

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. The Explosion of Video in Telecom Dr. Phil Hippensteel pjh15@psu.edu (717) 448-0552

  2. 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. 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. 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. 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. 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. 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. Quote “The Internet will never carry high quality voice and certainly not video” Phil Hippensteel, 2001

  9. QUESTIONS?

More Related