Coile 's patents include the fundamental patents on Network Address Translation ( NAT ) .
Brantley Coile is an inventor and founder of network technology companies whose products include PIX Firewall , the first stateful - inspection firewall and Cisco Systems ' first load - balancer , LocalDirector .
inventor 's patents include the fundamental patents on Network Address Translation ( NAT ) .
Brantley Coile is an inventor and founder of network technology companies whose products include PIX Firewall , the first stateful - inspection firewall and Cisco Systems ' first load - balancer , LocalDirector .