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by benkillin 3973 days ago
This exact suggestion is referenced in the article.

"To prevent the spoofed reflection attacks, all network operators should implement anti-spoof address filtering [RFC2827]. This prevents the trigger of the DRDoS."

http://tools.ietf.org/html/rfc2827

"This paper discusses a simple, effective, and straightforward method for using ingress traffic filtering to prohibit DoS attacks which use forged IP addresses to be propagated from 'behind' an Internet Service Provider's (ISP) aggregation point."