云计算时代的企业级存储之特性

云计算势不可挡，在未来较长的时间段内，私有云和混合云是主流。作为数据中心的基础部件之一，企业级存储面临了新的挑战，云计算要求存储具有如下特性：自助服务、存储池化、弹性扩展、快速部署、按量计费等。软件定义存储是解决这一挑战的最佳选择。

The characteristic of Enterprise Storage during the Cloud Computing Era

With the growing fast of Cloud Computing, as the important part of data center, Enterprise Storage faced much more challenge from private cloud and hybrid cloud. According to the definition of NIST for cloud, customer need storage have features:self-service, storage pooling, elastic, storage provisioning automatically and quickly, can be charge and billing. Actually, Software Defined Data Center ( SDDC) is the best practice for the new data center under cloud time, and Software Defined Storage ( SDS) is the best for private and hybrid cloud.