不同级别的运营商设备上，可能存在几万、几十万甚至上百条路由条目，而不可能仅仅存在180.166.0.0/16这一个路由条目，所以就需要将路由条目聚合，以达到高效转发的目的，以及减小核心设备的处...
as-path-filter与正则表达式
正则表达式，Regular-Expression，简称Regex。正则表达式是用特定字符及特定字符的组合来组成一个规则集，然后程序调用这个规则集来对目标字符进行逻辑过滤，满足规则集条件的字符串将被筛选出来...
Bye, Web three swordsmen ！
Web three swordsman is a set of powerful web editing tools, which was originally developed by Macromedia company in the United States. It is composed of Dreamweaver, fireworks and flash, commonly known as the three swordsmen of web page. Now, all three are out...
