October 2005
Intermediate to advanced
1648 pages
47h 34m
English
Content preview from TCP/IP Guide
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Chapter 18. IP SUBNET ADDRESSING (SUBNETTING) CONCEPTS
In the previous chapter, we looked at the original classful IP addressing scheme, which conceptually divides a large internetwork into a simple two-level hierarchy that includes many networks of different sizes, each of which contains a number of hosts. The system works well for smaller organizations that may connect all their machines in a single network. However, it lacks flexibility for large organizations that often have many subnetworks, or subnets. To better meet the administrative and technical requirements of larger organizations, the classful IP addressing system was enhanced through ...
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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.
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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.