AWS Service: Amazon EC2 Auto Scaling
Question: How can Amazon EC2 Auto Scaling be integrated with other AWS services, such as Elastic Load Balancing and Amazon CloudWatch, to optimize application performance and cost?
Answer:
Amazon EC2 Auto Scaling can be integrated with other AWS services, such as Elastic Load Balancing (ELB) and Amazon CloudWatch, to optimize application performance and cost.
Integration with ELB allows EC2 Auto Scaling to automatically distribute incoming traffic to healthy instances and add or remove instances based on the current demand. When an Auto Scaling group scales up, it automatically registers new instances with ELB, and when it scales down, it removes instances from ELB.
Integration with Amazon CloudWatch enables EC2 Auto Scaling to monitor the health of instances and trigger scaling actions based on CloudWatch alarms. CloudWatch can be used to set alarms based on metrics such as CPU utilization, network traffic, or custom application metrics. When an alarm is triggered, EC2 Auto Scaling can automatically add or remove instances to meet the desired capacity.
In addition to ELB and CloudWatch, EC2 Auto Scaling can also be integrated with other AWS services such as AWS Identity and Access Management (IAM) for access control, AWS Application Load Balancer for load balancing, and AWS Elastic Beanstalk for deployment and management of web applications.
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