Studies

by Mike Masnick


Filed Under:
bandwidth, cable, dsl, internet

Companies:
netflix



Netflix Shows Which ISPs Actually Perform Well... And Which Don't

from the ah,-data dept

It's always fun to discover some data that reveals some useful info -- and the folks over at Netflix have apparently realized that they're sitting on a treasure trove of data concerning the performance levels of various ISPs, based on all that content Netflix is streaming. Rather than just keep it all internally, Netflix is starting to publish the data, showing how well certain ISPs perform, and highlighting how you generally get better performance out of cable than DSL.
This is smart on Netflix's part, as it actually does a nice job encouraging ISPs to improve their quality, knowing that they can tout these kinds of "independent" rankings to show their overall quality.

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  1. icon
    leichter (profile), 30 Jan 2011 @ 6:42pm

    Re: No Way

    If you're going to split Verizon, you have to split AT&T along the same lines - classic DSL vs. U-Verse, with the slowest marketed U-Verse speed being twice the highest classic DLS speed.

    But if you start down that path, why not start splitting cable providers into areas where they've built out DOCSIS 3.0 and areas where they haven't?

    The fact is that no one (other than the carriers themselves) have data this fine-grained - and it's not even clear that they do. Oh, they know the theoretical speeds of their "last-mile" offering; but that's nowhere near the same thing as actual measured data. Fios, for all the theoretical speed of its fiber, could have crippled connections into and out of wherever all that fiber converges. Or there could be other things limiting them, perhaps even stuff they aren't aware of.

    The Netflix data is valuable exactly because it's measured, not a guess. Networks are complex combinations of many different components, and you're kidding yourself if you think you can know the performance of any non-trivial network without measurement.

                                                            -- Jerry


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