https://www.incapsula.com/blog/questions-ddos-simulation-bgp-attack-vectors-answered.html
https://www.youtube.com/watch?v=ttDUoDf6xzM
Src Remote Trggered Black Hole:
inside the network a retour send a route to the "Src@"
The Ingress router received two route: external and Internal, and it will should the iBGP and drop packect based on the uRPF decision.
BGP FlowSpec:
https://tools.ietf.org/html/rfc7674 ( update of rfc5575 ) Validation Procedure!!!!
The customer attacked Router will send FlowSpec announcement
The BGP speaker will send Firewall rule to Perimeter Fw ( or PE).