The network breaks in seconds, ping DNS latency 10~300 high and low, but also old request timed out what is the situation ah?
This situation, the first network speed is low, the second network is not good, the emergence of this request timed out this English, is the meaning of the packet drop, that is, usually referred to as the drop line time=270ms This is the meaning of milliseconds, the lower the number, the better the network speed .