Elastic Load Balancing
- automatically distributes incoming application traffic across multiple Amazon EC2 instances in the cloud.
- It enables you to achieve greater levels of fault tolerance in your applications,
- seamlessly providing the required amount of load balancing capacity needed to distribute application traffic..
- Available
- route traffic - across multiple instances, multiple availability zones
- only healthy servers receives traffic
- Elastic
- scales well
- integrates with auto scaling - back-end capacity to meet varying levels of traffic
- Secure
- works with VPC - to provide robust - networking and security
- Create a Internal (Non Internet Facing) Load Balancer - route traffic using private IP address using VPC
- Create a multi tired architecture - using Internal and Internet Facing Load Balancer
- Expose only the Internet Facing tier with Public IP address
Use Cases
- Better Fault Tolerance for your applications
- DNS Failover for Elastic Load Balancing
- Auto scaling with Elastic Load Balancing
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