(Internet Transit Provider)

           +------------+       +----------------+
           | Network    |  DOTS | Administrative | BGP Flowspec
Alert----->| Management |C<--->S| System         | (Rate-Limit)
           | System     |       |                |--->
           +------------+       +----------------+
                                               BGP Flowspec
             +------------+     +------------+ (Rate-Limit X bps)
             | Forwarding |     | Forwarding |<---
             |   node     |     |   node     |
       Link1 |            |     |            | DDoS & Normal traffic
[Target]<------------------------------------================
Pipe         +------------+     +------------+  Attack Traffic
Capability                                      Bandwidth
 X bps                                          Y bps

                    Network-access success rate
                           X / (X + Y)

    C: DOTS client functionality
    S: DOTS server functionality