本文列举了15种判断某项服务是否属于云计算的标准，包括服务的灵活性、自动化水平、资源分配方式等方面，帮助读者理解真正的云计算特性。
James Governor's Monkchips:15 ways to tell its not cloud computing
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If you peel back the label and its says “Grid” or “OGSA” underneath… its not a cloud.
If you need to send a 40 page requirements document to the vendor then… it is not cloud.
If you can’t buy it on your personal credit card… it is not a cloud
If they are trying to sell you hardware… its not a cloud.
If there is no API… its not a cloud.
If you need to rearchitect your systems for it… Its not a cloud.
If it takes more than ten minutes to provision… its not a cloud.
If you can’t deprovision in less than ten minutes… its not a cloud.
If you know where the machines are… its not a cloud.
If there is a consultant in the room… its not a cloud.
If you need to specify the number of machines you want upfront… its not a cloud.
If it only runs one operating system… its not a cloud.
If you can’t connect to it from your own machine… its not a cloud.
If you need to install software to use it… its not a cloud.
If you own all the hardware… its not a cloud.
If it takes 20 slides to explain…. its not a cloud [update: 4:58 4th February 2009]
with input from Alexis Richardson, of CohesiveFT’s Elastic Server on Demand, nicely written up here by Phil Wainewright.
Read more: http://www.redmonk.com/jgovernor/2008/03/13/15-ways-to-tell-its-not-cloud-computing/#ixzz1auSqc8Nl
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