prefixes
Efficient and effective probing of Internet subnetworks
When flying, it's important to choose the right airline. Obviously, a direct connection is usually best, but if a layover is necessary, it helps...
BGP security: announcing prefixes without authorization
In our last post, we looked at protecting the TCP session that carries BGP information between two routers, mainly against spoofed TCP resets. However,...
Do route optimizers cause fake routes?
Yesterday, an incident occurred where an Autonomous System (AS) advertised more than 7,000 prefixes that belong to other networks. These are "more specific" prefixes—subsets...