This lesson we have to learn about mobile IP.
That they keep separate Mobile IP dynamic IP area. Dynamic IP means, by using the DHCP protocol, in a host inside LAN, can dynamically obtain an IP address. That there's a Mobile IP What does it mean?
Let's give an example. If you say that you now have a laptop, you have to work, you work at a company's headquarters in Beijing.
But one day it boss asks you to go on a business trip,
You came to Shanghai, and branches. After that you come to Shanghai Branch, also want to use some of the company is to use your authority headquarters in Beijing time, look at the database ah, ah, or modify some of the entries, as well as using some other functions, and so on. Well, now you can achieve it? Of course it is possible. You only need to connect into the Shanghai branch of the network,
Then you can use it with the same authority in the headquarters.
that