October 2018
Intermediate to advanced
38 pages
49m
English
Content preview from Edge Resiliency
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 1. Edge Resiliency Is Critical to Your Business
In today’s 24/7 global business environments, resiliency is not only an assumption by your customers, it’s a requirement for your success. Simply defined, IT resilience is an organization’s ability to maintain acceptable service levels, no matter what challenges arise. From CTOs to networking IT staff, the threats and challenges to services that live at the edge of the network—including both the user edge and the site edge—pose the potential for unplanned and certainly unwanted business disruptions.
To understand the implications and solutions of resiliency at the edge, we first need to understand what the term “edge” really means here. In reality, there are multiple edges. The user edge is where the end user sits and first interacts with the internet. The network edge is in front of the content or service that the user is trying to reach (think transit, content delivery network [CDN], domain name system [DNS], and so forth). The site edge is typically at the datacenter or cloud infrastructure where the content or service resides. Your goal is to get control as close to the user edge as possible.
Sources that trigger instability for the myriad internet services that today’s enterprises depend on range from simple misconfigurations, to large-scale natural disasters, to nefarious targeted attacks, as well as business-driven internet routing decisions to meet traffic and sovereignty requirements. The user edge is your customers’ ...
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.