ISA-IPsec
integrated services adapter - IP security
ISA-IPsec is a IP security function that is configured in the for 7450 ESS and 7750 SR ISAs. On an NE, the ISA-IPsec acts as a concentrator to gather and terminate encrypted IPsec tunnels on an IES or VPRN service. This allows a network provider to offer a secure global service when the hosts are in an uncontrolled or unsecure part of a network.