服务器是什么?

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服务器的英文名称为“Server”,是指在网络上提供各种服务的高性能计算机。 作为网络的节点,存储、处理网络上 80%的数据、信息,因此也被称为网络的灵魂。

服务器和普通计算机的功能是类似的。 只是相对于普通计算机,服务器在稳定性、安全性、性能等方面都要求更高,因此 CPU、芯片组、内存、磁盘系统、网络等硬件和普通计算机有所不同。 具体来说,服务器与普通计算机的主要区别包括:

1. 通信方式为一对多:PC、平板、手机等固定或移动的网络终端,上网、获取资讯、与外界沟通、娱乐等,必然要经过服务器,服务器通过“一对多”来组织和领导这些设备。

2. 资源通过网络共享: 服务器通过侦听网络上其它终端(Client)提交的服务请求,在网络操作系统的控制下,将与其相连的硬盘、打印机、Modem 及各种专用通讯设备提供给网络上的客户站点共享,也能为网络用户提供集中计算、信息发表及数据管理等服务。

3. 硬件性能更加强大: 服务器的高性能主要体现在高速度的运算能力、长时间的可靠运行、强大的外部数据吞吐能力等方面。

服务器厂商会根据不同的应用场景,对服务器进行差异化设计,目前主要的应用场景包括文件交互、数据存储和查询、应用程序应答与运行等。

4. 德迅云安全 ip:

43.241.19.1

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原文链接:https://zhuanlan.zhihu.com/p/645352978

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