July 2004
Intermediate to advanced
448 pages
10h 7m
English
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What Is a Virtual Private Network?
The term virtual private network (VPN) is widely used; in fact, it's so widely used, it means different things to different people. Let's look at the three words involved:
Virtual indicates the network topology isn't tied to a physical topology but rather a logical topology which is defined through a physical network. The network equipment used for forwarding traffic along a virtual network isn't owned or operated by the end user but rather by some service provider.
Private indicates that the security, addressing, and routing of the network (or logical topology) are completely independent of the network security, addressing, and routing of other networks running across the same physical topology.
A network is ...
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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.