{ "states": [ "Initial", "Starting", "Closed", "Stopped", "Closing", "Stopping", "ReqSent", "AckRcvd", "AckSent", "Opened" ], "initial_state": "Initial", "final_states": [ "Initial" ], "transitions": [ { "from": "Initial", "to": "Closed", "event": "receive lower layer up (Up)", "action": "send This-Layer-Up (tlu)" }, { "from": "Initial", "to": "Starting", "event": "receive administrative Open (Open)", "action": "send This-Layer-Started (tls)" }, { "from": "Starting", "to": "ReqSent", "event": "receive lower layer up (Up)", "action": "send Initialize-Restart-Count (irc), send Configure-Request (scr)" }, { "from": "Closed", "to": "Initial", "event": "receive lower layer down (Down)", "action": "send This-Layer-Finished (tlf)" }, { "from": "Closed", "to": "ReqSent", "event": "receive administrative Open (Open)", "action": "send Initialize-Restart-Count (irc), send Configure-Request (scr)" }, { "from": "Closed", "to": "Closed", "event": "receive administrative Close (Close)", "action": "" }, { "from": "Stopped", "to": "Starting", "event": "receive lower layer up (Up)", "action": "send This-Layer-Started (tls)" }, { "from": "Stopped", "to": "Closed", "event": "receive administrative Close (Close)", "action": "send This-Layer-Finished (tlf)" }, { "from": "ReqSent", "to": "Closing", "event": "receive administrative Close (Close)", "action": "send Terminate-Request (str), send Initialize-Restart-Count (irc)" }, { "from": "ReqSent", "to": "Stopping", "event": "receive Terminate-Request (RTR)", "action": "send Terminate-Request (str)" }, { "from": "ReqSent", "to": "ReqSent", "event": "timeout counter > 0 (TO+)", "action": "send Configure-Request (scr)" }, { "from": "ReqSent", "to": "Stopped", "event": "timeout counter expired (TO-)", "action": "send This-Layer-Finished (tlf)" }, { "from": "ReqSent", "to": "AckRcvd", "event": "receive Configure-Ack (RCA)", "action": "send Initialize-Restart-Count (irc)" }, { "from": "ReqSent", "to": "AckSent", "event": "receive Configure-Request (RCR+)", "action": "send Configure-Ack (sca)" }, { "from": "AckRcvd", "to": "Closing", "event": "receive administrative Close (Close)", "action": "send Terminate-Request (str), send Initialize-Restart-Count (irc)" }, { "from": "AckRcvd", "to": "Opened", "event": "receive Configure-Request (RCR+)", "action": "send Configure-Ack (sca), send This-Layer-Up (tlu)" }, { "from": "AckRcvd", "to": "ReqSent", "event": "receive Configure-Nak/Rej (RCN)", "action": "send Configure-Request (scr)" }, { "from": "AckSent", "to": "Closing", "event": "receive administrative Close (Close)", "action": "send Terminate-Request (str), send Initialize-Restart-Count (irc)" }, { "from": "AckSent", "to": "Opened", "event": "receive Configure-Ack (RCA)", "action": "send This-Layer-Up (tlu)" }, { "from": "AckSent", "to": "ReqSent", "event": "receive Configure-Request (RCR-)", "action": "send Configure-Request (scr)" }, { "from": "Opened", "to": "Closing", "event": "receive administrative Close (Close)", "action": "send Terminate-Request (str), send Initialize-Restart-Count (irc)" }, { "from": "Opened", "to": "Stopping", "event": "receive Terminate-Request (RTR)", "action": "send Terminate-Request (str)" }, { "from": "Stopping", "to": "Stopped", "event": "receive Terminate-Ack (RTA)", "action": "send This-Layer-Finished (tlf)" }, { "from": "Stopping", "to": "Stopping", "event": "timeout counter > 0 (TO+)", "action": "send Terminate-Request (str)" }, { "from": "Stopping", "to": "Stopped", "event": "timeout counter expired (TO-)", "action": "send This-Layer-Finished (tlf)" }, { "from": "Closing", "to": "Closed", "event": "receive Terminate-Ack (RTA)", "action": "send This-Layer-Finished (tlf)" }, { "from": "Closing", "to": "Closed", "event": "timeout counter expired (TO-)", "action": "send This-Layer-Finished (tlf)" } ] }