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Only a sales rep bragging to me on the phone.

He could have been lying but considering how uptight Akamai is about everything I doubt he made it up.

there are some public studies on DDOS size over the years. IIRC Arbor networks published some numbers earlier this year. IME tens of Gb/s is a mid size attack these days. Large is a hundred plus Gb/s.

I can't find any public reports topping ~100 Gbps. For example, here's a recent article that interviewed an Arbor employee and mentions a ~100 Gbps plateau:

http://www.techweekeurope.co.uk/news/ddos-attacks-power2012-...

Hrm, maybe Im misrembering. Found akamai claiming 125Gb/s in '09, and some more arbor quotes of ~110Gb/s. I'll see if I still have the report Im thinking of tomorrow.

http://wwwns.akamai.com/rsa_2011/RSA_NOCC_DDoS.pdf

:-)