Hi,
Huawei camera access platform supports HWSDK, ONVIF, GB/T28181, GB35114, etc
For details, please see Introduction to Connection Protocols.
Supported network protocols include TCP, UDP, IPv4, IPv6, DHCP, DHCPv6, DNS, ICMP, ICMPv6, IGMP, HTTPS, FTP, SFTP, RTP, RTSP, RTCP, SIP, ARP, SSL, NTP, SNMP (V1/V2/V3), 802.1X, QoS, DDNS, and SMT.
The protocols vary according to the camera model. You can view the datasheet of the camera.
Best wishes!