云计算思考
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云计算思考

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China OpenStack User Group

China OpenStack User Group

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云计算思考 云计算思考 Presentation Transcript

  • 云计算思考 陈沙克 Shake.chen@gmail.com
  • XEN和KVMXen (AWS,Rackspace,linode)KVM (Hpcloud,google)Xen需要很强的技术积累和投入OS升级对xen是一个恶梦KVM一切的问题都交给Redhat和内核KVM牺牲一点性能,获得更大的兼容性KVM的稳定性会逐步提高新用户建议用KVM
  • Openstack对手Eycalptus (插件收费)Cloudstack(Critix支持,产业链)Convirture (双lincese,天涯)OpenNebula (评价很高,移动大云,百度)如何选择功能对比是行不通
  • Openstack优势
  • 云计算市场AWS占90%市场份额(20亿美金,估算)Rackspace只相当于2% (4千万美金,估算)Linode收入规模和Rackspace差不多国内还在用户培育阶段
  • AWS最大客户是谁DropboxSlideshareRightscaleBinami游戏厂商等数据分析和挖掘用的越多越便宜,用了越久,价格越低
  • 备份和HA盛大事件云硬盘也是需要备份备份是用户的事情Rackspace使用agent实现备份虚拟化层面HA PK 应用HA
  • 云计算国内现状按需和信用卡机制没有成本优势 (带宽复用)亏本经营,规模无法实现盈利不计成本,很难持久罗马不是一日建成程序员还不习惯用APIIP价格(30,60,110,150)AWS很难复制
  • 公有云和私有云区别
  • 我的使用情况熟悉Openstack使用 (1年的时间)考虑Dashboard做开发集成监控,集成nagios测试使用ubuntu,生产用CentOS内部提供开发测试,非常方便本地存储Swift测试中
  • 建议高校实验室内部测试行业应用吃自己的狗食