Cisco System's Local Director is a high-availability, Internet scalability solution that intelligently load balances TCP/IP traffic across multiple servers. Servers can be automatically and transparently placed in or out of service, and LocalDirector itself is equipped with a hot standby failover mechanism, eliminating all points of failure for the server farm. LocalDirector is a high performance Internet appliance with proven performance in the highest traffic Internet sites. All used and refurbished Cisco LDIR are rigorously inspected and tested to ensure quality and performance like new equipment.