August 2016
Intermediate to advanced
468 pages
9h 53m
English
Content preview from Mastering KVM VirtualizationBecome 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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Overlay networks
Overlay networks are industry-standard techniques designed to achieve Network Virtualization. Network Overlays such as Virtual eXtensible Local Area Network (VXLAN) and Generic Routing Encapsulation (GRE) achieve network virtualization by overlaying layer-2 networks over physical layer-3 networks, which enables network scalability and the efficient use of current network infrastructure.
Open vSwitch supports multiple tunneling protocols (GRE, VXLAN, STT, and Geneve, with IPsec support), which allow scaling private networks over public networks. You can connect two or more Open vSwitches running on different hosts with each other and form a distributed switch.
Use Case of overlay networks: Suppose you have an application cluster ...
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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.