CCM NCM | | |------- MX Discover Message ----------------------->| | +-----------------+ | | Learn CCM | | | IP address | | | and port | | +-----------------+ | | |<----------------------------- MX System Info ------| | | |------------------------------ MX Capability REQ -->| |<----- MX Capability RSP ---------------------------| |------------------------------ MX Capability ACK -->| | | + +