在高防服务器租用的过程中，我们经常看见这两个词汇：单机防御和集群防御。这两个名词说好理解也容易，但在理解的过程中，有朋友对其有一些误会，今天跟着驰网微微来认识一下高防服务器中单机防御和集群防御吧。
在租用高防服务器的过程中，会标注单机防御或是集群防御，那么什么是单机防御和集群防御呢？
高防服务器防御分为两种，分别是单机防御和集群防御。
· 单机防御：为一台服务器提供相应的防御能力。例如你所选择的服务器防御配置是100G单机防御，只要遇到的攻击不超过100G，服务器还是可以正常运行的。
· 集群防御：一组防火墙防护多台服务器。一旦遇到攻击，攻击值超过集群防御的最大范围值，崩溃的服务器将不仅仅是一台，而是集群下所有的服务器。
例如集群防御是100G，针对于300台服务器进行防护。如果这300台中其余299台服务器没有被攻击，那么受到攻击的那一台服务器可以防御住100G攻击。但是如果是所有的服务器的攻击量加起来超过100G，则集群下的所有服务器都会受到波及。
举例说明
1、集群防御值为100G，防护100台的服务器
如果这100台机器都没有受到攻击，而你的服务器被攻击，那么你的服务器就可以防御100G的攻击；如果其他的服务器被攻击90G，再有10G攻击的话，那么所有被攻击的服务器都会挂。
2、单机防御值为100G，只防护一台服务器
如果单机硬防为100G，不论何时，只要攻击不超过100G都是能够防得住的。
在选择服务器配置时，一定要问清楚IDC服务商，防御是集群防护还是单机防护，很多服务商玩的是文字游戏，并没有说清楚是集群防护还是单机防护，有些集群防护100G，真实的防御能力和10G的单机防护能力差不多
友情提醒：高防服务器防御方面的成本是很高，防御能力越高成本越高，切勿贪图一时便宜，而使损失更大
扬州高防护段（TCP_SYN,ACK,RST）展示：
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