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Implementing DevOps on AWS

You're reading from   Implementing DevOps on AWS Engineering DevOps for modern businesses

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Product type Paperback
Published in Jan 2017
Publisher Packt
ISBN-13 9781786460141
Length 258 pages
Edition 1st Edition
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Author (1):
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Vaselin Kantsev Vaselin Kantsev
Author Profile Icon Vaselin Kantsev
Vaselin Kantsev
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Table of Contents (11) Chapters Close

Preface 1. What is DevOps and Should You Care? FREE CHAPTER 2. Start Treating Your Infrastructure as Code 3. Bringing Your Infrastructure Under Configuration Management 4. Build, Test, and Release Faster with Continuous Integration 5. Ever-Ready to Deploy Using Continuous Delivery 6. Continuous Deployment - A Fully Automated Workflow 7. Metrics, Log Collection, and Monitoring 8. Optimize for Scale and Cost 9. Secure Your AWS Environment 10. AWS Tips and Tricks

Architectural considerations

Let us now examine this deployment one component at a time, starting with the VPC itself.

The VPC

I am proceeding under the assumption that if you are still holding this book, you have likely accepted the way of the VPC.

CIDR

How many VPCs are you foreseeing having? Would they be linked (VPC peering) or would you be bridging other networks in (VPN)?

The answers to these questions play a role when choosing the CIDR for a VPC. As a general rule it is recommended to avoid common (household router) network addresses such as 192.168.1.0 or 10.0.0.0.

Keep track of and assign different CIDRs if you have more than one VPC, even if you don't have an immediate need to peer them.

Consider a CIDR that will allow for large enough subnets to accommodate potential instance scaling with minimal fragmentation (number of subnets).

Subnets and Availability Zones

Availability Zones (AZs) are how we add resilience to a deployment, so we should have at least two of those. There might...

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