PPPoE

Even though I haven't figured out whether it is really of any use to start tackling the ABCs of the telecom market, it is kind of fun to understand things. I remember when I first trying to climb through that telecom industry book, it was a hell. And i wasn't very successful on finishing even 5% of it. I think things are getting a little bit better now.

Read up a little stuff on PPPoE, and here are some links for future references.
http://java.sun.com/j2ee/1.4/docs/tutorial/doc/

The pics here are helpful
http://www.vicomsoft.com/knowledge/reference/pppoe.html