Amazon Elastic Load Balancing
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This document discusses Amazon Elastic Load Balancing. It provides information about ANS-Asia, an IT consulting company, and Nguyễn Trường Giang, who has 4 years of experience in web application development. It then summarizes key features of Amazon ELB, including that it allows for intra-region load balancing, scales automatically based on load, is highly available, provides no logs, works well for gradual traffic changes, supports pre-warming, has a 60 second idle timeout, integrates with auto scaling, supports SSL encryption, and can be used inside a VPC.
Amazon Elastic Load Balancing
- 1. Amazon Elastic Load Balancing Nguyễn Trường Giang ANS-Asia
- 2. ABOUT ANS-ASIA 100% subsidiary of ANS Japan Address : 10F CMC Tower, Duy Tan Street Foundation : November 2012 Employees : 40 Business function Software development Enterprise system (100% Japanese customer up to now)(Sales management system, Enterprise system for transportation industry, Tuition management system for university...) IT consulting
- 3. ABOUT ME Name: Nguyễn Trường Giang Skill : 4 years experience in Web Application (PHP, JavaScript, HTML, CSS, MSSQL, PostgreSQL, MYSQL) PHP framework: ZendFrameWork Cakephp Laravel Yii Interesting in: Reading book, listening music, travelling, ….
- 4. Amazon Elastic Load Balancing Intra Region Balancing Highly Scalable Highly Available No Logs Traffic volatility Pre warm Timeouts Auto Scaling Supports SSL encryption Inside VPC
- 5. Intra Region Balancing Can Load Balance only between AZ inside a Amazon EC2 region Inter region load balancing not supported
- 7. Highly Scalable Can scale automatically and support thousands of requests/s Theoretically unlimited capacity Dynamically expand based on load Built in with “Scale UP” and “Scale OUT”
- 9. Highly Available Inherently Fault tolerant Un healthy ELB nodes are automatically replaced
- 10. No Logs It is a Amazon Web Service, Currently No logs are provided Http Status detail can be extracted from Amazon Cloud Watch
- 11. Traffic volatility Suitable for Gradual load increase & decreases Not suitable for sudden spikey loads
- 12. Pre warm ELB can be pre warmed with Amazon support team help
- 13. Timeouts ELB has idle timeout of 60 seconds Can be increase with Amazon support help
- 14. Auto Scaling
- 15. Auto Scaling ELB seamlessly works with Amazon Auto Scaling Monitors the health of backend web/app EC2 using Amazon CloudWatch
- 16. Supports SSL encryption Support SSL termination at Load balancing layer Supports end to end SSL encryption till backend EC2
- 17. Inside VPC
- 18. Inside VPC ELB works well with Amazon Virtual Private Cloud Supports both internal & external load balancing