GOOSE is designed to carry protection signals such as trips, interlocks, blockings, permissives, and alarms with very low latency and high reliability, replacing copper hardwiring in digital substations. GOOSE is not a request/response protocol. It is. GOOSE (Generic Object Oriented Substation Event) is one of the most important communication services defined in IEC 61850. It is used to exchange fast, event-driven messages between protection IEDs, bay controllers, and automation devices. With GOOSE, the formerly hard-wired binary signals are distributed throughout the network efficiently. Our CMC test sets both subscribe to and publish. iam Edwards, Anne Atalay, and Stephen Snugg for Protective Relay Engineers and can be accessed at: https:// manner that allows testing personnel to easily identify problems and verify system functionality. This paper provides procedures and guidelines for successfully designing and integrating. Modern power plants are no longer isolated systems with predictable fault paths. A real incident. Mitigate faults, bolster reliability, protect people and achieve ultimate flexibility with Eaton's E-Series medium-voltage protective relays featuring IEC 61850 with GOOSE messaging.