The management IP address:-
is an IP address used to manage the SC and is used in scenarios such as management of SC through the SMC2.0 or access to SC through an SSH tool.
The service IP address:-
an IP address used to provide registration and call services for external systems.
The floating IP address:-
a virtual IP address. After the SC two-node system is configured, the active and standby SCs both use the virtual IP address to provide registration and call services for external systems.