在业务量高速发展的今天,IT 环境开始影响到企业利润的增长和整体的运行效率,考察一个业务系统的指标也从原来的“能够正常运行”上升到根据用户需求的特定服务,以及为之达到的质量标准。无论是“按需计算”还是“效用计算”,归根结底的目标只有一个——让 IT 系统最终成为一个“公用设施”,根据用户的特定需求进行实施,而用户则根据自己所获得的服务进行按量或者按质付费。 Today, the rapid development of business, IT environment began to affect the growth of corporate profits and overall operational efficiency, the study of a business system indicators also rose from the original “to normal operation” to the specific services based on user needs, and for Achieved quality standards. Whether it’s “on-demand” computing or “utility computing,” there is only one final goal: let the IT system eventually become a “utility,” implement it according to a user’s specific needs, and users press Amount or pay by quality.