BY Stacey Higginbotham, Gigaom
A decade ago the internet had about 1.4 terabits per second of global capacity while today it has 77 Tbps. But as the internet gets bigger, the way traffic moves back and forth across the “series of tubes” that make up the internet is changing. As a result of the growth in internet exchange points around the world and more people in more countries getting online, the internet is becoming truly global. Instead of massive streams of data moving back and forth across entire networks each time people request a web page, a video or a digital download, data is getting sent to a content delivery network and kept at the edge of the network. Thus, when it’s called up by a user, it doesn’t have as far to go. But there are two significant things that are changing how the internet is “shaped,” for lack of a better term.
http://gigaom.com/2012/09/13/the-shape-of-the-internet-has-changed-it-now-lives-life-on-the-edge/
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