File system
The file system provides elastic and scalable high-performance file storage service, which can provide shared storage service for servers on the public cloud.
NAS
NAS is a share-accessible, elastic and scalable high-performance distributed file system that provides shared storage services for virtual machines on public clouds.
Access Groups
Access Group is used to set the specified IP address or network segment to access the file system, and grant different access rights to different IP addresses or network segments.