Transparent Security is a solution for identify the source devices of a DDoS attack and mitigates the attack in the customer premises or the access network. This solution leverages a P4 based programmable data plane for add in-band network telemetry (INT) for device identification and in-band mitigation.
Currently, we are using the source port value from the originating packet's UDP/TCP source port. Please see the INT 2.1 specification.