随着网络不断的发展,服务器的类型也在更新时代,现如今云服务器的兴起占据了很大一部分市场,独立服务器的市场份额受到了很大的冲击,物理服务器与云服务器的区别是什么?服务器与云服务器虽然一字之差,但在实际的购买和使用性能中却有不小的差别,大家可能对于物理服务器与云服务器的区别还不是很了解,下面我们就来具体讲解一下
物理服务器
物理服务器其实就是在网络上为终端客户机提供专业服务的一种高性能,高可用性的计算机。服务器只是一个总称,根据应用领域不同就有不一样的服务器租用
比如,网吧里面的服务器、公司里面的服务器、网站托管的服务器、存储服务器、虚拟机服务器等等
优点:1)有远程操作权限;2)稳定性高、速度快、适合大型网站使用
缺点:1)价格比较贵;2)管理需要专业技术;3)升级扩容不方便;4)部署开通时间长
云服务器
云服务器是一种简单高效、安全可靠、处理能力可弹性伸缩的计算服务。其管理方式比物理服务器更简单高效,用户无需提前购买硬件,即可迅速创建或释放任意多台云服务器
云服务器的主要优点:
1)价格便宜,相对于购买物理服务器,网站建设的费用大大降低,为普及中小型网站提供了极大便利;
2)云主机能承受访问量大的网站,拥有独立的远程操作权限,管理方便;
3)网站建设效率提高,自己购买服务器到安装操作系统和应用软件需合租主机要较长的时间,而租用虚拟主机通常只需要几分钟的时间就可以开通
可通过以下参考来对比选择物理服务器还是云服务器
1、技术方面
云服务器对于云计算的计算精度、储存容量,结构灵活性都有一定的要求,会有庞大的数据输入或海量的工作集,因此云服务器更适合于中小型企业来开展业务。而独立服务器具有高超的硬件设置配置,能满足大型的网络服务节点,因此这类服务器在技术上面相对云服务器较为成熟一些
云服务器在规格方面和独立服务器都有较大的差异,因此在服务器租用的成本方面会有很大的差异。一般来说,云服务器的CPU、内存等配置都会相对的较低,不会有很高的规格,而独立服务器相反,不会有这样低的配置
2、安全方面
云服务器的安全要求非常高,因此云服务器具备防ARP攻击和MAC欺骗功能,可以进行快照备份,确保数据的相对安全。独立服务器的安全性相比云服务器就要相对弱一点。数据备份要是丢失,就会造成很大的麻烦。但是独立服务器也有自己独特的优势,在机器防御方面,独立服务器比云服务器更抗DDOS、CC等流量攻击。
杭州高防护段(TCP_SYN,ACK,RST)展示:
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