This article from Sports Business News talks about a type of video streaming technique called Pre-Caching where a video is completely loaded prior to viewing. It does a goo job of discussing the benefits and drawbacks of this technique.
Article Segment-
"But since streaming video downloads to a computer at the same time it's playing, the video size and picture quality are limited by the speed of the user's Internet connection.
Pre-caching solves this problem by not displaying the video until it's been fully downloaded. Using this technique, sites can offer users video at any size and picture quality. One of the earliest examples of pre-cached video was BMW Films, which allowed users to view full-screen, DVD-quality videos all the way back in 2001. By comparison, most streaming video at that time covered less than 10 percent of a computer screen and offered video quality that was inferior to even broadcast television.
While it solves the picture quality problem, pre-caching creates a different problem; a user needs to come and ask for the video well in advance of viewing it, and typically must download and install special software as well. To set up ESPN Motion, a user must install a plug-in that then downloads new video content to his computer as it becomes available. The user can watch the video clips at ESPN.com in a standard-sized online video window, or expand the window to approximately four times its original size without any noticeable drop in picture quality.
Unfortunately, most Internet users are confused by software installations and afraid of viruses, and therefore won't install pre-caching software. The trade-off for significantly improved picture quality, then, becomes significantly reduced audience size.
ESPN certainly suffers from this problem. While the ESPN.com site draws nearly 15 million users each month, ESPN Motion delivers less than 30 million video clips each month to only 1.5 million users. The largest streaming video site, Launch Music on Yahoo!, delivers over 250 million video clips each month to around 12 million users - making it 10 times larger than Motion. "
Link to Complete Article
SBN - Pre-caching a Video Stream
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