什么是云计算？
原文英文，约300词，阅读约需1分钟。发表于：。Before going to the definition, we start from an example . In the earlier time organizations used to buy servers to deploy an application , and were responsible for managing everything including...
虚拟化通过共享服务器资源提高效率，降低成本。传统上，每个应用需独立服务器，导致资源浪费。AWS推动云计算，分为公有云（用户可创建实例）、私有云（组织管理）和混合云（结合两者优点）。
