@startuml
title __NETCONF Call home overview__ over SSH

participant "NETCONF Server\n(NE)" as server
participant "NETCONF Client\n(controller)" as client

server -[#red]> client : TCP connection
note left: NETCONF服务端先\n启动一个TCP连接到\nNETCONF客户端
client -[#blue]> server : SSH/TLS Session
note right: 使用这个TCP连接，\nNETCON客户端\n启动到NETCONF\n服务器的SSH/TLS\n会话
client -[#blue]> server : NETCONF Session
note right: 使用此SSH/TLS会话，\nNETCON客户端启动\n一个到NETCONF服务器\n的NETCONF会话
@enduml