September 2021
Intermediate to advanced
338 pages
8h 57m
English
Content preview from Networking and Kubernetes
Become 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,
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.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.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.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.
Chapter 3. Container Networking Basics
Now that we’ve discussed networking basics and Linux networking, we’ll discuss how networking is implemented in containers. Like networking, containers have a long history. This chapter will review the history, discuss various options for running containers, and explore the networking setup available. The industry, for now, has settled on Docker as the container runtime standard. Thus, we’ll dive into the Docker networking model, explain how the CNI differs from the Docker network model, and end the chapter with examples of networking modes with Docker containers.
Introduction to Containers
In this section, we will discuss the evolution of running applications that has led us to containers. Some, rightfully, will talk about containers as not being real. They are yet another abstraction of the underlying technology in the OS kernel. Being technically right misses the point of the technology and leads us nowhere down the road of solving the hard problem that is application management and deployment.
Applications
Running applications has always had its challenges. There are many ways to serve applications nowadays: in the cloud, on-prem, and, of course, with containers. Application developers and system administrators face many issues, such as dealing with different versions of libraries, knowing how to complete deployments, and having old versions of the application itself. For the longest time, developers of applications had to deal with ...
Become 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,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.