Capability opening method and system, and capability opening function entity

A capability exposure method, comprising:

• receiving, by a capability exposure function entity, a requirement of a third party on a mobile network;
• acquiring, by the capability exposure function entity, current network information;
• creating, by the capability exposure function entity, dedicated networking information on the basis of the requirement and the current network information, wherein the dedicated networking information is adopted to instruct creation of at least one of a dedicated network or a dedicated network element;
• and
• sending, by the capability exposure function entity, the dedicated networking information to a Network Orchestrator Function (NOF) entity;
• the capability exposure method further comprises:
• before the creating, by the capability exposure function entity, the dedicated networking information on the basis of the requirement and the current network information,
• if the capability exposure function entity determines that a network capability of a current network does not meet the requirement of the third party on the mobile network according to the current network information, sending a requirement rejection message to the third party, and notifying the network capability of the current network to the third party;
• receiving, by the capability exposure function entity, a requirement updated according to the network capability of the current network, of the third party;
• and
• for the updated requirement, executing the creating the dedicated networking information on the basis of the requirement and the current network information.