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Alexa 10,000 and Fortune 500 DNS Marketshare - 30 Jun 2013 30 Jun 2013 | 12:00 pm
This post provides current marketshare statistics for managed DNS services amongst top Alexa websites and US Fortune 500 companies. The methodology used to collect this data is explained in a prior po...
Value of the Cloud - CPU Performance 6 Jun 2013 | 12:00 pm
Abstract This post compares CPU performance and value for 18 compute instance types from 5 cloud compute platforms - AWS EC2, Google Compute Engine, Windows Azure, HP Cloud and Rackspace Cloud. The m...
Alexa Top 10,000 DNS Marketshare - May 6, 2013 6 May 2013 | 12:00 pm
The post provides an update on DNS marketshare statistics for May 2013. This is a follow up to our previous posts in March and April 2013. Alexa Top 10,000 DNS Marketshare - May 6, 2013 The followin...
DNS Marketshare - Alexa 10,000 + Fortune 500 - April 2013 8 Apr 2013 | 12:00 pm
This is a followup from last month's DNS marketshare post. In this post we use the same top 10,000 Alexa websites from last month (based on a 10 Mar 2013 Alexa snapshot). We then mined the DNS servers...
DNS Provider Marketshare Summary - March 2013 6 Mar 2013 | 01:00 pm
Every few months we mine the DNS servers used by the top 10,000 Alexa sites. We then use various techniques including hostname and IP class C matching, and DNS lookup validations to correlate the DNS ...
Comparison and Analysis of Managed DNS Providers 21 Aug 2012 | 12:00 pm
Introduction This blog post is the culmination of year's effort researching and developing methods for analyzing and comparing managed DNS services. During this time, we provided access to our analys...
Is Joyent Really 14X Faster than EC2 and Azure the "Fastest Cloud"? Questions to Ask About Benchmark Studies 18 Nov 2011 | 06:32 am
Many are skeptical of claims that involve benchmarks. Over the years benchmarks have been manipulated and misrepresented. Benchmarks aren't inherently bad or created in bad faith. To the contrary, whe...
Encoding Performance: Comparing Zencoder, Encoding.com, Sorenson & Panda 18 Oct 2011 | 02:17 am
A few months ago we were approached by Zencoder to conduct a sponsored performance comparison of 4 encoding services including their own. The purpose was to validate their claims of faster encoding ti...
An unofficial EC2 outage postmortem - the sky is not falling 26 Apr 2011 | 04:44 pm
Last week Amazon Web Services (AWS) experienced a high profile outage affecting Elastic Cloud Compute (EC2) and Elastic Block Storage (EBS) in 1 of 4 data centers in the US East region. This outage ca...
Do SLAs really matter? A 1 year case study of 38 cloud services 16 Jan 2011 | 07:56 pm
In late 2009 we began monitored the availability of various cloud services. To do so, we partnered or contracted with cloud vendors to let us maintain, monitor and benchmark the services they offered....
