<p>以下为物理服务器BMS与云服务器ECS的功能对比表，您可以根据不同的指标来判断您需要那种服务器类型。</p> <table border="1" cellpadding="0" cellspacing="0"> <tbody> <tr> <td colspan="2" style="background-color:#ededed; vertical-align:top"> <p><strong>指标</strong></p> </td> <td style="background-color:#ededed; vertical-align:top"> <p><strong>物理服务器BMS</strong></p> </td> <td style="background-color:#ededed; vertical-align:top"> <p><strong>云服务器ECS</strong></p> </td> </tr> <tr> <td colspan="2" style="vertical-align:top"> <p>应用场景</p> </td> <td style="vertical-align:top"> <ul> <li>适用于对海量数据进行收集、存储、分析、搜索和挖掘。</li> <li>适合高IO、高CPU需求。</li> <li>图像处理场景。</li> </ul> </td> <td style="vertical-align:top"> <ul> <li>企业应用程序的后端服务器场景。</li> <li>大中型系统群，大中小型数据库。</li> <li>重计算负载应用场景。</li> </ul> </td> </tr> <tr> <td colspan="2" style="vertical-align:top"> <p>交付时间</p> </td> <td style="vertical-align:top"> <p>最快30分钟</p> </td> <td style="vertical-align:top"> <p>1~2分钟内</p> </td> </tr> <tr> <td colspan="2" style="vertical-align:top"> <p>物理资源</p> </td> <td style="vertical-align:top"> <p>归用户独享</p> </td> <td style="vertical-align:top"> <p>多个租户共享</p> </td> </tr> <tr> <td rowspan="3" style="vertical-align:top; width:62px"> <p>计算</p> </td> <td style="vertical-align:top; width:199px"> <p>无性能损失</p> </td> <td style="vertical-align:top"> <p>是</p> </td> <td style="vertical-align:top"> <p>否</p> </td> </tr> <tr> <td style="vertical-align:top; width:199px"> <p>无特性损失</p> </td> <td style="vertical-align:top"> <p>是</p> </td> <td style="vertical-align:top"> <p>否</p> </td> </tr> <tr> <td style="vertical-align:top; width:199px"> <p>资源无争抢</p> </td> <td style="vertical-align:top"> <p>是</p> </td> <td style="vertical-align:top"> <p>否</p> </td> </tr> <tr> <td rowspan="7" style="vertical-align:top; width:62px"> <p>存储</p> </td> <td style="vertical-align:top; width:199px"> <p>完全兼容EBS云硬盘</p> </td> <td style="vertical-align:top"> <p>否</p> </td> <td style="vertical-align:top"> <p>是</p> </td> </tr> <tr> <td style="vertical-align:top; width:199px"> <p>使用云硬盘（系统盘）启动</p> </td> <td style="vertical-align:top"> <p>否</p> </td> <td style="vertical-align:top"> <p>是</p> </td> </tr> <tr> <td style="vertical-align:top; width:199px"> <p>系统盘快速重置</p> </td> <td style="vertical-align:top"> <p>否</p> </td> <td style="vertical-align:top"> <p>是</p> </td> </tr> <tr> <td style="vertical-align:top; width:199px"> <p>使用云服务器ECS的镜像</p> </td> <td style="vertical-align:top"> <p>否</p> </td> <td style="vertical-align:top"> <p>是</p> </td> </tr> <tr> <td style="vertical-align:top; width:199px"> <p>物理机和虚拟机之间相互冷迁移</p> </td> <td style="vertical-align:top"> <p>否</p> </td> <td style="vertical-align:top"> <p>是</p> </td> </tr> <tr> <td style="vertical-align:top; width:199px"> <p>免操作系统安装</p> </td> <td style="vertical-align:top"> <p>是</p> </td> <td style="vertical-align:top"> <p>是</p> </td> </tr> <tr> <td style="vertical-align:top; width:199px"> <p>免本地RAID，提供更高云盘数据保护</p> </td> <td style="vertical-align:top"> <p>否</p> </td> <td style="vertical-align:top"> <p>是</p> </td> </tr> <tr> <td rowspan="2" style="vertical-align:top; width:62px"> <p>网络</p> </td> <td style="vertical-align:top; width:199px"> <p>完全兼容ECS VPC网络</p> </td> <td style="vertical-align:top"> <p>否</p> </td> <td style="vertical-align:top"> <p>是</p> </td> </tr> <tr> <td style="vertical-align:top; width:199px"> <p>物理机集群和虚拟机集群间VPC无通信瓶颈</p> </td> <td style="vertical-align:top"> <p>是</p> </td> <td style="vertical-align:top"> <p>是</p> </td> </tr> <tr> <td rowspan="2" style="vertical-align:top; width:62px"> <p>管控</p> </td> <td style="vertical-align:top; width:199px"> <p>完全兼容ECS现有管控系统</p> </td> <td style="vertical-align:top"> <p>否</p> </td> <td style="vertical-align:top"> <p>是</p> </td> </tr> <tr> <td style="vertical-align:top; width:199px"> <p>VNC等用户体验和虚拟机保持一致</p> </td> <td style="vertical-align:top"> <p>否</p> </td> <td style="vertical-align:top"> <p>是</p> </td> </tr> </tbody> </table>