I provide my expertise on high availability, databases, operating systems, cloud computing and benchmarking to companies that are faced with these challenges. I can help you build Highly Available infrastructures for your business using open source software.

Some of my currently active projects are:

• BenchLab: Internet Scale benchmarking using real web browsers
• HARLib: An HTTP Archive library implementation in Java
  
• Sequoia: the award-winning database clustering middleware

These projects integrate well with existing open source or commercial multi-tier applications and technologies such as:

• Cloud platforms & APIs: Amazon (EC2, EBS, S3, CloudWatch...), OpenNebula, Eucalyptus
• Web frontends: Apache httpd (w/ mod_jk, PHP, Perl, CGI...), Tomcat, Microsoft IIS...
• JavaEE: JBoss, Apache Geronimo, JOnAS, Sun Glassfish, IBM Websphere, BEA Weblogic... 
• Databases: MySQL, PostgreSQL, Apache Derby (a.k.a JavaDB), HSQLDB, Firebird, Sybase, Oracle, MS SQL Server, IBM DB2...
• Management frameworks & tools: Nagios, Ganglia, JMX consoles, SQL consoles...
• Virtualization technologies: Xen, VMWare, Virtuozzo...
• HA technologies: LVS (Linux Virtual Server), L4 switches, Network bonding, Heartbeat...
• QA & Testing: Hudson, Watir/WebDriver/Selenium, JUnit...
• Web browsers & technologies: Firefox, IE, Chrome, Javascript, AJAX, ...
  

You can contact me if you need consulting, training, support or custom developments. I provide best effort support on the community mailing lists for the projects I develop, so post your technical questions directly on those lists.