May 2006
Intermediate to advanced
480 pages
12h 20m
English
Content preview from Understanding TCP/IPBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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4.4 Point-To-Point Protocol
Almost every Internet user will sooner or later come across PPP. It’s precisely the protocol that gives you trouble when you want to connect your PC to the Internet through a dial-up line or ADSL line. PPP most often uses frames similar to those of HDLC protocol. However, it doesn’t use all the possibilities that HDLC offers by far. But perhaps it introduces even more new features.
The basic features of PPP are as follows:
- On the physical level, it is able to use an interface in accordance with the recommendations V.24, V.35, and so on. It doesnt require any control signals (RTS, CTS, DCD, DTR, etc.). However, control signals can be used to enhance its efficiency.
- It can use both asynchronous and synchronous (bit or ...
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