资 源 简 介
IP协议的三个比较重要的功能：
1． 分配IP地址和到目的主机的包发送（路由寻址）功能
2． IP包的分割处理功能
3． 重新构筑处理功能
-IP protocol of the three more important functions: 1. The allocation of IP address and to the destination host to send packets (routing address) function 2. IP packet processing functions partition 3. Re-build processing
