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Open Source Global Load Balancer Builds Content Delivery NetworkAugust 16, 2007; 03:55 AM "Open Source is all about sharing ideas and making technologies accessible to everyone. This has been the goal of o3 magazine since the beginning," said John Buswell, Chief Technology Officer at Spliced Networks LLC. "Global Traffic Management is a great solution, but an elusive one due to the high cost of the technology. The solution we came up with eliminates the need for Global Traffic Management appliances and Global Server Load Balancing switches. We estimated cost savings of around US$26,995 per site with our solution. Considerably more when you realize it also does SSL/TLS offload and Content Delivery Network deployments require a minimum of two sites." Spliced Networks is the small business that publishes o3 magazine. At the heart of the solution is a Russian built Open Source project called Nginx, or Engine-X. Nginx is a powerful, yet lightweight web server. The content delivery network, which is built using this Open Source technology, is truly global with data-center locations in Hong Kong, Germany, the United Kingdom and six locations spanning the United States from coast to coast.
"Simply point a web browser at www.o3magazine.com and the network will do the rest," explains John Buswell. "If you are located in Europe, you will be redirected to either www.o3magazine.co.uk or www.emea.o3magazine.com. The solution provides businesses with a great deal of control. You can make sure customers see only the content The cost savings of the Open Source solution grows exponentially as the Content Delivery Network scales upwards. Spliced Networks estimates their current network would have cost over US$250,000 to implement with the leading commercial solution. Spliced Networks took the solution one step further and applied it to dynamic web 2.0 applications. The content delivery network uses Varnish Cache, a high performance web accelerator or reverse proxy, OpenVPN and Mongrel to provide globally distributed access to centralized web 2.0 applications. Spliced Networks believes this is the first Global Content Delivery Network built exclusively with Open Source from end to end. The publication is available for download from the o3 magazine website -- http://www.o3magazine.com The free digital publication is distributed in PDF format over a global content delivery network. The next issue of o3 magazine will look at Agile Product Management using Open Source solutions. The publication is created exclusively with open source tools. Bandwidth and colocation in the United Kingdom are provided courtesy of Othello Technology Systems Ltd.
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