Sheth (Juniper), Robert Raszuk (Cisco), Barry Greene (Juniper), Jared Mauch (NTT America), and Danny McPherson (Arbor) • IETF RFC 5575 August 2009 (https://tools.ietf.org/html/rfc5575) • Created to mitigate DDoS attacks but has other uses JP-AAWG November 14th 2019