什么协议可以代替UDP 或者TCP来检测网络主机处于活动状态?(100分)

  • 主题发起人 主题发起人 songyanzhao
  • 开始时间 开始时间
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songyanzhao

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GUEST, unregistred user!
What protocol of the network/internet layer can be used instead of TCP or UDP (transport layer) just to detect whether a host of a network is active or not ? Howdo
es the availability test work by means of this protocol ?
However in some cases it is better to use TCP for this purpose. Why ?
Also explain the different techniques to detect the availability of hosts by means of TCP
这就是整部分问题,请大家帮忙,先谢谢了!
 
知道门口(端口),就敲门,有“人”吗,一天都没答话,基本可以认定 Sleep..........
其它协议没试过
 
接受答案了.
 
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