One, the storage layer
The storage layer is the most basic part of the cloud storage. Storage devices can be FC fiber channel storage equipment, can be NAS and iSCSI IP storage device, can also be a SCSI or SAS DAS storage device. A storage device in the cloud storage is often huge number and distribution of different regions, between each other through wide area network, Internet or FC fibre channel networks connected together. The storage device is a storage device management system, can realize the virtual management, logical storage equipment multi link redundancy management, maintenance, condition monitoring and fault and hardware devices.
Two, the basic management layer
Based management is the core part of the cloud storage, cloud storage is the most difficult part of the. Basic management through the cluster, distributed file system and grid computing technology, collaborative work among multiple storage devices in the cloud storage, the storage device can be provided with a plurality of an external services, and provide better and more stronger data access performance. System, the data encryption technology to ensure that access, the data in the cloud storage will not be unauthorized users CDN content distribution at the same time, through a variety of data backup and disaster recovery technology and measures can guarantee the cloud storage of data will not be lost, to ensure the safety and stability of the cloud storage.
Three, the application interface layer
Application interface layer is the most flexible portion of cloud storage. Cloud storage operating unit of different according to the actual type of business, development and application of different service interfaces, providing different application services. For example, the video monitoring application platform, IPTV and video on demand application platform, network hard disk reference platform, remote data backup application platform.
Four, access layer
Any authorized user can log in to cloud storage system through the common application interface standard, enjoy the cloud storage service. Cloud storage operation unit is different, the type of access and the access means cloud storage offers different.
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