What is the difference between the direct connection and cloud transfer in the CMS app?

1. Direct connection: The app accesses CMS services directly, such as when in the same LAN, through a VPN, or by using a public network IP. However, it cannot receive push notifications, such as alarms;

2. Cloud service: The app accesses CMS services through the external network and the transfer cloud server, and supports receiving push notifications such as alarms.