October 2016
Intermediate to advanced
216 pages
4h 10m
English
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Layer 3 (L3) capabilities in OpenStack
Once L2 connectivity is established, the virtual machines within one network can send or receive traffic between themselves. However, two virtual machines belonging to two different networks will not be able to communicate with each other automatically. This is done to provide privacy and isolation for tenant networks. In order to allow traffic from one Network to reach another network, OpenStack Networking supports an entity called a router.
The default implementation of OpenStack uses namespaces to support L3 routing capabilities. Namespaces are networking constructs in Linux that allow you to create a copy of the TCP/IP network stack all the way from the Ethernet interfaces (L2), routing tables, and so ...
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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.
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.