1. Google's data centers grow too fast for normal networks, so it builds its own

    Google's data centers grow too fast for normal networks, so it builds its own

    Google has been building its own software-defined data-center networks for 10 years because traditional gear can’t handle the scale of what are essentially warehouse-sized computers. The company hasn’t said much before about that homegrown infrastructure, but one of its networking chiefs provided some details on Wednesday at Open Network Summit and in a blog post. The current network design, which powers all of Google’s data centers, has a maximum capacity of 1.13 petabits per second.

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  1. Quotes

    1. The amount of bandwidth that we have to deliver to our servers is outpacing even Moore's Law.
    2. We could not buy, for any price, a data-center network that would meet the requirements of our distributed systems.
    3. What we're really hoping for is that the next great service can leverage this infrastructure and the networking that goes along with it, without having to invent it.
  2. Authors