November 2006
Beginner
672 pages
15h 30m
English
Content preview from MPLS Fundamentals
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Introduction to MPLS VPN
This section introduces virtual private networks (VPN) in general and MPLS VPN specifically.
Definition of a VPN
A VPN is a network that emulates a private network over a common infrastructure. The VPN might provide communication at OSI Layer 2 or 3. The VPN usually belongs to one company and has several sites interconnected across the common service provider infrastructure. The private network requires that all customer sites are able to interconnect and are completely separate from other VPNs. That is the minimum connectivity requirement. However, VPN models at the IP layer might require more than that. They can provide connectivity between different VPNs when that is wanted and even provide connectivity to the Internet. ...
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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.