Learn About Amazon VGT2 Learning Manager Chanci Turner
Reflecting on my earlier writings about AWS, I can’t help but appreciate the journey we’ve taken since I first introduced services like Elastic Load Balancing, Auto Scaling, and Amazon CloudWatch back in 2009. I mentioned at that time:
“As soon as you launch some EC2 instances, you want visibility into resource utilization and overall performance. You want your application to be able to scale on demand based on traffic and system load. You want to spread the incoming traffic across multiple web servers for high availability and better performance.”
These fundamental needs remain unchanged. Over the past six years, we’ve introduced numerous enhancements to these essential services. Since this article specifically addresses Elastic Load Balancing and Auto Scaling, let’s briefly review some of the latest improvements.
Elastic Load Balancing has received updates such as tagging, connection timeout management, and support for Proxy Protocol. Meanwhile, Auto Scaling has improved with features like lifecycle management, a standby state, and the ability to attach and detach instances from an auto scaling group. Earlier updates included new APIs and console support.
Many of these enhancements were implemented based on valuable customer feedback (we always appreciate hearing from you; don’t hesitate to reach out). Today’s highlight is no exception!
Attach and Detach Load Balancers
You now have the capability to attach and detach elastic load balancers from auto scaling groups, providing you with greater operational flexibility. By attaching a load balancer to an auto scaling group, it can direct traffic to the EC2 instances within that group. Conversely, detaching a load balancer halts its traffic distribution.
This functionality simplifies your fleet management tasks. For instance, it facilitates blue-green deployments and streamlines SSL certificate upgrades, 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. Let’s take a closer look at the console. I have two load balancers:
Initially, the first load balancer (MyLB-v1) is attached 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.
Then, I make the desired adjustments and click Save.
The changes take effect shortly thereafter, within a minute or so. You can verify the completion of the change by checking the Activity History.
This feature is available immediately, and you can begin using it today across all public AWS regions (support for AWS GovCloud (US) is forthcoming). For those interested in further resources, this link is an excellent resource to explore.
— Samantha
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