云计算早已成为基础设施？
当下概念先行的时代，一夜之间就会有许许多多前所未有的“概念”铺面而来。永远不知道明天到底往哪走，哪种技术才是IT的下一个风口，谁也说不清楚。不管大家在讨论什么，AI、大数据还是物联网，云计算技术仿佛已经变成了一种基础设施，承载着越来越多的可能性。
云计算
在几年以前，我们还在不断深入开发CPU更高的处理速度，更大的算力，没错，这的确是一条值得探索的道路。但是随着云计算的诞生，可以将非常多的分布式的计算单元组合成一个巨大的计算资源池，从而对外按需提供计算资源服务成为了一种新模式。就像随着人民生活水平不断提高，人们早已不再纠结于是否能够吃一顿饱饭，于是产生了更多的食物浪费（资源浪费），于是我们又在考虑从小厨房变回那个大锅饭的年代，每个个体作为用户按需索取，云计算按用户所需服务，这样的模式创造了更好的使用模式，将人们从购买物质变成购买所需要的服务，大大提高资源的利用率。
随着云计算核心技术——虚拟化技术的不断成熟，越来越多的数据中心选择采用部署云计算系统来作为底层的基础设施，越来越多的资源融入进来，存储、网络等也可以像计算资源一样虚拟化成资源池，同样采用按需提供服务的模式提供给上层承载的业务使用。不论上层是大数据还是AI技术，底层都需要有庞大的资源支持，同时共享的概念不仅仅在经济领域盛行，其实万物归一，资源共享在IT领域特别是在云计算中得到的非常多的应用，想想ofo，Mobike，不也是创造了一个庞大的自行车池，然后按照客户所需提供给客户，客户按使用时间付费，云计算也正是这样的模式。这样的模式创造了更多的便利性，同时还具备了丰富的可扩展性，资源池可实现按需伸缩，更加符合当下技术发展的趋势，所以越来越多新概念提出的同时，云计算已成为了其中必不可少的一部分。
共享单车
但，云计算就真的万无一失了么？未必，当我们把所有的资源集中的放置在资源池的时候，我们更多要去思考的就是安全问题，如果这朵云是漏洞百出的话，想必也没有任何的应用价值，所以当越来越多资源池在建立的同时，云安全也是我们真正要关注要探讨的下一个话题。
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