It is inevitable. CDs, DVDs and Blu-rays will go the way of the Dodo. The popular storage mediums of today will become no more important than 8-Track tape players or 5 floppy disks. A recent change to Netflix is one of the many catalysts for the impending obsolescence. You no longer need a disc to launch streaming video on your Wii or PlayStation 3 gaming consoles. Instead, you can simply download the Netflix software directly to the machine. I tested out the new software. The convenience was impressive.
A compressed standard definition video takes up about 2GB of space, and a high definition videoanywhere from 5-15GB. With almost 200 videos in my collection, I was going to need over a terabyteof disk space. My NAS, or network attached storage,a fancy term for a computer dedicated as a file server, has a 4TB Raid 1 array which is 2 4TB hard drives where one of them is a mirror of the other.
Depending on how you go about transcoding a video, it could take anywhere from30 minutes to 12 hours(!). It requires a lot of raw computing power,is boring to do, requires a ton of time to redo if you mess it up, and is ripefor parallelization. Translation: This is the perfect job for a computer,even better a cluster of computers.
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