Patent ID: 11909763
Assignee: CISCO TECHNOLOGY, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method comprising:
determining, by a victim autonomous system (AS), that a first AS is diverting traffic from the victim AS to an unintended destination;
determining, by the victim AS, that the first AS is associated with a first Border Gateway Protocol (BGP) route that includes the victim AS as a destination or as an AS along the first BGP route to the destination; and
suppressing utilization of the first BGP route in propagating data to the victim AS by sending a message to a second AS to avoid traffic being hijacked by the first AS, the message to the second AS including:
a set of one or more AS numbers to avoid using to propagate data to the victim AS, wherein the set of one or more AS numbers includes the first AS;
a timestamp;
an expiration interval;
a signature of the victim AS; and
an identifier identifying a certificate for verifying the signature.