Sunday, August 18, 2013

Load Balancing in Amazon Web Services

Load balancing is one of the most important technique to be followed for architecting highly scalable and available applications on AWS cloud. Keeping this in mind, I have compiled my experience and articles i have written on this subject as "Load balancing on AWS" series.  

Dissecting Amazon Elastic Load Balancing : Amazon ELB is dissected into 18+ points and analysed based on the production implementation experience. This article is a must read for all Amazon ELB users who wants to understand in detail what ELB can do and what are some of the road blocks you can face sometimes when using Amazon ELB. Click here for the article.  

Amazon ELB Multi region migration checklistAmazon Elastic Load Balancing has a Amazon EC2 Regional scope. It needs to be migrated to alternate Amazon EC2 region in event of DR or during new migration setup . I am sharing my experience in this post as few checklists/areas that needs to be taken care during this Amazon ELB migration to alternate EC2 region. Refer Article

Amazon ELB Implementation Architectures : Amazon ELB can be implemented in variety of architectures in your AWS cloud. Some of them are real bad cases and some of them follow best practices. If you want to understand the common implementation architectures and its pro's/con's refer this article  

Comparison Analysis between Amazon ELB and HAProxy:  HAProxy is a popular OSS software load balancer widely used in Amazon Cloud Infrastructure. This article provides a detailed comparison between the two and analyzes where both of them stand. This article is featured in the HAProxy web site as well. Click here for the article

Architecting High Availability @ HAProxy Load Balancing Tier: Not all the times Amazon ELB is used as the choice of load balancer in Amazon Web Services. But deploying an OSS load balancer in AWS has got is own set of considerations and high availability is one of them. In this post i explore how to design High Availability @ HAProxy load balancing layer. Refer Article

Architecting Highly Available Web App Layer using HAProxy Load Balancing : In this post we explore four options of Load balancing Web/App Tier using HAProxy in AWS. Refer Article

Configuring Citrix NetScaler Load Balancing on AWSCitrix NetScaler is a popular Load balancer in the Enterprise world. Hardware and virtualized NetScaler has been serving many popular enterprise online assets for years. How to configure Citrix Netscaler based Load Balancing in AWS is explained in this post. Refer Article

Load Balancing Amazon RDS Read Replica's using HAProxyIn this post, let us explore how HAProxy can be used to solve load balancing between RDS Read Replica's in Amazon Cloud.Refer Article

Choosing right HAProxy- Amazon EC2 Instance Types and AMI Types for load balancingBefore choosing optimal Amazon EC2 instance Type for HAProxy Load balancing layer in AWS we need to minimum understand some important factors involved. Refer Article 

Configuring Amazon ELB and understanding the parameters in detail: Amazon provides a detailed documentation on how to configure ELB. In this article i have detailed the configuration steps with detailed understanding on the parameters and its implications. Must read of Amazon ELB newbies. Click here for the article 

Web Session Synchronization patterns in AWS: Architectures for synchronizing sessions of load balanced Web/App EC2 is detailed in this post. Refer Article

Geo Distributed Load Balancing using Route53 and Amazon ELB: Some customers would have Geo Distributed their architecture across multiple Amazon EC2 regions. In this article we explore why do we need Geo Distributed architecture, Cost of Latency and how to achieve it using Route 53 + Amazon ELB. Click here for the article

Deeper Health Checks and Problems in Load Balancing in AWSHealth Checks are one of the essential mechanisms that helps you to keep N-Tiered system highly available.This sounds simple and straight forward right, but some of the customers i have consulted follow a much deeper Health check diagnostic mechanism and it might have problems when migrated to AWS cloud. Let us explore this case in detail in this post. Refer Article

Configuring Amazon ELB With SSL offloading: How to configure SSL with Amazon ELB. Click here for the article What are the benefits of offloading SSL in Amazon ELB. Here

Monitoring Amazon ELB using Amazon CloudWatch and understanding the result and metrics

Why do we need Amazon Elastic Load Balancing and What are its benefits ?

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