The difference between localhost and under Win7

Source: Internet
Author: User

First, let's take a look at the default ping localhost

Address is:: 1, this is a IPV6 address

Then we will modify the localhost address in the hosts, this does not need to look to know, ping localhost must be the following results

In other words, the default Win7 above system, including Win2008 will localhost resolved to:: 1.

Practice tells us that it is much slower to use localhost in PHP in this case than Above figure

The same is Discuz forum (not modified Hosts file), in the case of connecting localhost:

In the case of connecting

100 times the difference, the gap is pretty scary.

But I do not know the reason for this difference, but also want to know people to tell.

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