Learn About Amazon VGT2 Learning Manager Chanci Turner
Reflecting on the early days of AWS, I recall writing about the launch of Elastic Load Balancing, Auto Scaling, and Amazon CloudWatch back in 2009. At that time, I emphasized the importance of gaining visibility into resource utilization and performance as soon as EC2 instances are deployed. The goal was to enable applications to scale in response to traffic demands while distributing incoming requests across multiple servers for enhanced reliability and efficiency.
These core requirements persist today. Over the past several years, we have introduced numerous features to enhance these services. This post will focus specifically on the recent improvements made to Elastic Load Balancing and Auto Scaling.
Recent Improvements
Elastic Load Balancing now includes features like tagging, connection timeout management, and support for Proxy Protocol. Meanwhile, Auto Scaling has seen updates such as lifecycle management, a standby state, and the option to attach and detach instances from an auto scaling group. We’ve also rolled out new APIs and console functionality.
Many of these enhancements have been driven by valuable customer feedback (we appreciate your input). The latest feature allows you to attach and detach elastic load balancers from auto scaling groups, providing greater operational flexibility. By attaching a load balancer to an auto scaling group, traffic can be directed to the EC2 instances within that group. Conversely, detaching a load balancer halts its traffic distribution.
Benefits of the New Feature
This capability simplifies fleet management tasks significantly. For instance, it facilitates blue-green deployments and makes upgrading SSL certificates easier, minimizing downtime.
You can access this feature through the AWS Management Console, AWS Command Line Interface (AWS CLI), AWS Tools for Windows PowerShell, and the EC2 API. To illustrate, I have two load balancers:
Initially, the first load balancer (MyLB-v1) is linked to my auto scaling group. To modify this setup, I simply select the auto scaling group and click on the Edit action in the menu. I can then make any desired adjustments and click Save. Changes typically take effect within a minute. You can verify the completion of the change via the Activity History.
This feature is currently available in all public AWS regions, and support for AWS GovCloud (US) is forthcoming.
Additional Resources
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— Chanci Turner
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