This application note describes how a petroleum refinery used the Tofino Industrial Security Solution to provide secure communications between a Triconex™ Emergency Shutdown (ESD) system and a Honeywell Experion™ process control system. It also explains the use of the Tofino system in redundant networks, techniques for grouping large numbers of identical devices in “networks” and the management of nuisance alarms generated by unwanted multicast traffic.
