Explain please.
>This is like a bunch of people blocking the front door and not letting you into your house. The contents of your house are safe -- you just can’t get in until they get out of the way.
If this is truly 110% true, they couldn't even ssh into their servers (in before, "You don't ssh each into individual shards"). Which I'm betting they can, which means their are still attack vectors to exploit.
I'm surprised that on a technical forum there is still this complete misconception of what a DoS is.
Each level of the OSI model can be attacked in a DDoS, and its still of Denial of Service attack. I.E.: You can hold down a pre-2009 windows server with as little as 10-15 packets per second, totally less then a kilobyte per second.
Yes if your have a 10/100/1000 nic and your getting 20Gb/s then yeah nothing's getting in. Or if you have a 10Gb/s router, then 20Gb/s will freeze the whole data center. But if you have a 100Gb/s router with a 4x bounded 10Gb/s nics. And your service is down, then it isn't your hardware, but your software. Your kernel, sockets.h, are still processing packets, you can still be attacked.