在互联网技术发展的如火如荼的时代,云计算也逐渐进入人们的实现,云服务器、云主机等也逐渐成为企业进行网站建设的首要选择,然而对于很多站长来讲并不是特别了解云服务器,因此,今天针对云服务器和传统服务器的区别为大家揭开云服务器的神秘面纱。
如果将云服务器比作一个水龙头,那么云计算下的主机,你所获得的是一个流量可调节大小的龙头,服务器由一台变成一组,就像一个水管变成很多条水管组合而成的大水管,可根据自己的实际情况随意调节,即便是所有的水管打开也不会影响水流的速度,云主机的存储模式能实现网络集群存储,而且能避免单点故障,并且由多台物理服务器支撑,能做到配置无缝升级,对于内网链接也是天生支持的。
云服务器和传统服务器的区别
1、从安全性方面来讲:云服务器具有天然防ARP攻击和MAC欺骗,快照备份,数据永久不丢失。而独立服务器则不具有这方面的功能;
2、从技术方面来讲:云服务器使用了云计算技术,而云计算技术,整合了计算、网络、存储等各种软件和硬件技术。独立服务器,就是独立的了,不会整合这些资源。
3、从可靠性来讲:云服务器是基于服务器集群的,因此硬件冗余度较高,故障率低;而独立服务器则相对来说硬件冗余较少,故障率较高;
4、从性能的角度来看:云服务器是同等配置独立服务器计算能力的4倍,可满足高性能计算的要求;
5、从节能上看,云服务器基于云计算的自动迁移技术,意即夜间,物理服务器的利用率不高,自动迁移技术会把应用集中到几台物理服务器上,其他的物理服务器就可以休眠了,这样就节能了。
6、从灵活性方面来讲:用户可以在线实时增加自己的配置,可扩展空间较大;而独立服务器则有这方面的局限性,如果有新的应用,只能再买一台了。
7、从稳定性上看,云服务器可以故障自动迁移,意思是如果一台云服务器出现故障,其上面的应用就自动迁移到其他云服务器上了。独立服务器就不存在这功能了,宕了就宕了。
不管是选择云服务器还是传统服务器,选择正规的服务商才是关键,毕竟服务器是放在服务商的机房内的,因此选择服务商一定不可以马虎。
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