IDS 200 Lecture Notes - Lecture 25: User-Generated Content, Youtube Red, Packet Loss
12 Feb 2020
School
Department
Course
Professor
Document Summary
On-demand streaming video, mixing copyrighted and user- generated content. Founded in 2005, acquired by google in 2006. Primarily earns revenue by advertising, but also uses paywalls and subscriptions (youtube red) About 5b video views per day, 1b via mobile. Probably a few billion videos actually posted and growing by a couple million every week. Generally applied to networked systems and applications. Means how well it"s working , especially in regard to data transmission rates and reliability. Because of case-specific details, it"s sort of a composite catchall buzzphrase. For example, we would expect typical users to have the following preferences: Video: speed & reliability > minor data loss. With high qos, a typical user could view streaming video about as well as a stored one. A data stream is simply a set of transmissions with a specified order. Each transmission could be one or more video frames (images), raw or compressed.
