Hosting Large-Scale Web Sites: Contract Review Guide for the CTO

If you host and operate large-scale Web sites, or negotiate contract agreements with vendors that provide such services, you need to understand what should be included in a Web hosting infrastructure. This knowledge will help you in three areas: Providing reliability, scalability & good performance Minimizing risks via security, privacy, regulatory compliance and reduction of… Continue reading Hosting Large-Scale Web Sites: Contract Review Guide for the CTO

Understanding SLA Uptime Percentages

The table below helps illustrate why you should ensure that the “SLA Uptime Measurement Meter Reset Window” is the same duration as your billing cycle or shorter. Availability % Downtime per year Downtime per month (30 days) Downtime per week Downtime per day 90 “one nine” 36.5 days 72 hours 16.8 hours 2.4000 hours 95… Continue reading Understanding SLA Uptime Percentages

Checklist for Migration of Web Application from Traditional Hosting to Cloud

In 2010, Cloud Computing is likely to see increasing adoption. Migrating Web applications from one data center to another is a complex project. To assist you in migrating Web applications from your hosting facilities to cloud hosting solutions like Amazon EC2, Microsoft Azure or RackSpace’s Cloud offerings, I’ve published a set of checklists for migrating… Continue reading Checklist for Migration of Web Application from Traditional Hosting to Cloud

Save Money On Hosting & CDN By Optimizing Your Architecture & Applications

If you manage technology for a company that has a large Web presence, it is likely that a large percentage of your total technology costs is spent on the Web hosting environment, including the Content Delivery Network (CDN, e.g. Akamai, LimeLight, CDNetworks, Cotendo). In this article, we discuss some ways to manage these costs. Before… Continue reading Save Money On Hosting & CDN By Optimizing Your Architecture & Applications

Using Amazon Elastic Block Store (EBS) with an EC2 Instance

One of the differences between Amazon EC2 server instances and normal servers is that the server’s local disk storage state (i.e. changes to data) on EC2 instances does not persist over instance shutdowns and powering on. This was mentioned in my earlier post about hosting my Web site on Amazon EC2 and S3, Therefore, it… Continue reading Using Amazon Elastic Block Store (EBS) with an EC2 Instance

Opinion on the Amazon S3 Outage; Checklist for Dealing with Outages

My journalist colleagues at Wired.com published some of my comments related to Amazon S3.1 Wired also posted another article titled Customers Shrug Off S3 Service Failure. I agree with the views of many of the customers expressed in the article. Don MacAskill, CEO of the popular photo hosting site Smugmug, wrote an understanding post about… Continue reading Opinion on the Amazon S3 Outage; Checklist for Dealing with Outages

This Web Site is Now Hosted on Amazon EC2 & S3

This web site, http://www.rajiv.com is now hosted on Amazon.com’s Elastic Compute Cloud (EC2) and Simple Storage Service (S3) services. They are part of Amazon Web Services offerings. If you are a technologist, I recommend EC2 and S3. To learn more about them, you can follow the links in this article. Benefits of hosting a Web… Continue reading This Web Site is Now Hosted on Amazon EC2 & S3