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Netflix switching from Akamai to Level 3 CDN services

By 12 November 2010 8 Comments

After three years with Akamai Content Deliver Network (CDN) service, Netflix will switch to Level 3 Communications for its CDN service.  Why would Netflix do this?  Presumably because Level 3 is offering a more attractive deal to Netflix for outsourced server, storage, and Internet services.

Level 3 will have to double its storage capacity and add 2.9 terabits per second (Tbps) of bandwidth to accommodate Netflix video streaming services.  To wrap our head around that 2.9 Tbps number, that’s enough to serve one million concurrent users at an average of 2.9 Mbps which is sufficient for 720P “HD” video streaming.  That one million concurrent user capacity should be sufficient to serve 12 million Netflix subscribers.  This enormous apatite for bandwidth seems to reflect the enormous growth of Netflix with revenues as big as all the other rental businesses combined.

Contrary to “Net Neutrality” myth that “all Internet sites run at the same speed“, there are very few websites that has this kind of reach into American homes.  There is no such thing as “server neutrality” or “storage neutrality”, “IT neutrality”, or “Net Neutrality” because economics demands that companies should get more if they pay more.  Google’s YouTube and Netflix are likely the only two content providers on the Internet that can operate at this scale, and Netflix requires even more bandwidth than YouTube according to data from Sandvine.

Netflix occupies 20% of all North American Internet traffic during peak 8PM to 10PM hours which is likely the time families are watching movies and TV shows on demand from Netflix.  It’s quite possible that Google YouTube has more “views” than Netflix but each YouTube video typically lasts less than 5 minutes while Netflix videos are 30 to 90 minutes long.

8 Comments »

  • Bret Swanson – Maximum Entropy » Blog Archive » NetFlix Boom Leads to Switch said:

    [...] is moving its content delivery platform from Akamai back to Level 3. Level 3 is adding 2.9 terabits per second of new capacity specifically to support NetFlix’s [...]

  • Jack Moves said:

    Where are you getting your information that Netflix is “switching from” Akamai?

    Even the incorrect Dan Rayburn later clarified that they’re maintaining a multi-vendor strategy.

    Netflix also buys from Limelight, FWIW.

  • George Ou (author) said:

    @Jack Moves

    If they are still going to keep other vendors, that means they’ll require even more bandwidth than what Level 3 is adding.

  • Jack Moves said:

    Or not. The Level 3 CDN is pretty light on capacity compared to, say, LLNW or AKAM. $15M in capex may sound like big cash, but it works out to a thousand or two servers, or 2% of AKAM’s total (published) footprint.

  • Digital Society » Blog Archive » Net Neutrality – It’s just the old question of “Who Pays” said:

    [...] server farms, or the use of premier CDN providers like Akamai or Level 3. As George Ou recently noted, there is no such thing as “server neutrality” or “storage neutrality”. Thus, there has [...]

  • SiliconANGLE — Blog — Net Neutrality – It’s just the old question of “Who Pays” said:

    [...] server farms, or the use of premier CDN providers like Akamai or Level 3. As George Ou recently noted, there is no such thing as “server neutrality” or “storage neutrality”. Thus, there has [...]

  • Dave said:

    There is no news to report here, as Jack points out.

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