标签:des style blog http color os
what happens when you type in a URL in browser
In an extremely rough and simplified sketch, assuming the simplest possible HTTP request, no proxies and IPv4 (this would work similarly for IPv6-only client, but I have yet to see such workstation):
Again, discussion of each of these points have filled countless pages; take this as a starting point. Also, there are many other things happening in parallel to this (processing typed-in address, adding page to browser history, displaying progress to user, notifying plugins and extensions, rendering the page while it‘s downloading, pipelining, connection tracking for keep-alive, etc.).
标签:des style blog http color os
原文地址:http://www.cnblogs.com/leetcode/p/3859583.html