Each day, YouTube alone generates more than one thirds of all Internet traffic. -An average user spends 40% of her browsing time watching multimedia content. -More than 91% of all consumer traffic will carry multimedia content by 2012. -An estimated $4.3 million from revenue generation is predicted for Internet video, with an annual growth rate of 36%. -Advent of 3D television and tele-immersive environments -More multimedia content over the Internet. -The Internet is a playground for

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... content, and will continue to be so in the coming decade. Streaming content on Internet -Already, a plethora of players offer online video services all over the world: Internet is not optimized for streaming -The Internet is a shared resource, with no guarantees. -Fundamental limitation: Internet works with a best-effort packet delivery model -Internet has been traditionally designed for reliable data traffic: HTTP, WWW, email etc. -Elastic applications -Streaming content requires timely delivery more than reliability. -Sensitive to loss, delay and jitter. -Internet Path Selection is based on AS reach ability -How do we know that the Internet is ready for multimedia? -Existing support from Internet enough?