It is a common design to have an internet Edge router connected to two different internet service providers to protect against the failure of an ISP bringing the office down. The topology may look something like this: The two ISPs
Routing Considerations in DDoS Protection Environments
Lately I have done some studying for the CCDE and one of the things I was looking at is how to protect against DDoS attacks. I’m not expecting it to be a big topic for the CCDE but it has