Dedicated server provider Softlayer started its own content delivery network. This will allow large web site to serve static files like images, pdf and other media files faster. Many large sites like youtube, yahoo use CDN network to serve content faster. With CDN network, your files are mirrored at different location, when a user request [...]

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Hadoop is like MogileFS, is a Open Source distributed file system.
http://wiki.apache.org/hadoop/
Hadoop is a framework for running applications on large clusters built of commodity hardware. The Hadoop framework transparently provides applications both reliability and data motion. Hadoop implements a computational paradigm named Map/Reduce, where the application is divided into many small fragments of work, [...]

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MySQL proxy is created by author of lighttpd web server.
http://forge.mysql.com/wiki/MySQL_Proxy
MySQL Proxy is a simple program that sits between your client and MySQL server(s) that can monitor, analyze or transform their communication. Its flexibility allows for unlimited uses; common ones include: load balancing; failover; query analysis; query filtering and modification; and many more.

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Varnish is a HTTP accelerator, build from ground up with performance in mind. Varnish is targeted primarily at the FreeBSD 6/7 and Linux 2.6 platforms, and will take full advantage of the virtual memory system and advanced I/O features offered by these operating systems. You can get more information and the software from Varnish site.
http://varnish.projects.linpro.no/
You [...]

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