Approved by China Household Electrical Appliances Association, CHEAA Standard T/CHEAA 0001.4-2024 Smart home system -Cloud to cloud interconnection Part 4: Technology requirements for device provisioning and authentication, T/CHEAA 0001.5-2024 Smart home system - Cloud to cloud interconnection Part 5: Basic scenario models and technical requirements for interconnection of scenarios, have been officially released on July 2, 2024, and have since taken effect.