How the internet works, and why it’s impossible to know what makes your Netflix slow



By Tim Fernholz and David Yanofsky – Things change — and a growing series of business relationships that come before the last mile might make the net neutrality debate obsolete: The internet problem slowing down your Netflix, video chat, downloading, or web-browsing might not be in the last mile. It might be the result of a dispute further up the line.

All these different kinds of companies work together to make the internet, and at one point, they did so for free—or rather, for access to users. ISPs would share traffic, a process called settlement-free peering [2, 3, 4, 5, 6, 7, 8, 9, 10], to increase the reach of both networks. They were worked out informally by engineers—”over drinks at networking conferences,” says an anonymous former network engineer. In cases where networks weren’t peers, the smaller network would pay for access to the larger one, a process called paid peering. more> http://tinyurl.com/kpgrugm

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