March 2005
Intermediate to advanced
648 pages
16h 17m
English
Content preview from Layer 2 VPN ArchitecturesBecome 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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Introduction
Until recently, the VPN landscape has been quite complex as service providers have struggled with how best to accommodate traditional access technologies (such as, dial, Frame Relay, and ATM) along with new ones (like, Ethernet and wireless) and Layer 3 VPNs over a common network infrastructure. A new solution, enabling service providers to converge Layer 2 and Layer 3 services and provide legacy data services over an IP or MPLS backbone, promises to simplify matters, benefiting both service providers and enterprises.
The historical disconnect between legacy Layer 2 and Layer 3 VPN solutions has forced service providers to build, operate, and maintain separate infrastructures to accommodate various VPN access technologies. However, ...
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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.