August 1999
Intermediate to advanced
328 pages
8h 50m
English
Content preview from Voice Over IP
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THE INTERNET LAYERED ARCHITECTURE
Many of the concepts in this book are explained with the layered protocol concept. This section provides a brief review of the Internet layers and Chapter 2 gives more detailed information.
Figure 1-10 a reviews the Internet protocol suite layers. With some exceptions, the Open Systems Interconnection (OSI) Model layer 6 is not used. Layer 5 is not used at all.
The physical and data link layers are (as a general rule) also not defined. The philosophy is to rely on existing physical and data link systems. One notable exception to this practice is at the data link layer, where the Internet task forces have defined the Point-to-Point Protocol (PPP).
For the newcomer, here is a summary of the functions of the layers: ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.