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Sunday, September 21, 2008

InformationWeek | Galleries: 10 Years Of Internet Images | Global Brain?

InformationWeek | Galleries: 10 Years Of Internet Images | Global Brain?

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Global Brain? This image, captured in May 1999, maps all backbone routers based on distance from Lumeta's mapping host in New Jersey. On the color scale, yellow represents the closest nodes, while dark red is farthest away. Readers can construct their own metaphors about this image's similarity to neural networks of a human brain.

In the Beginning. This is a map of the Internet in August 1998. The scan was conducted to a Class B level and shows over 88,000 routers. Curve. By April 2003, the Internet had grown considerably. The colors represent different ISPs, and the number of nodes detected with a Class B scan had reached over 159,000 routers--the Internet had essentially doubled in size since 1998. Today. By April 2008, the Internet had continued to expand to over 450,000 nodes. This image is colored to represent nodes by Top Level Domain (TLD): .com, .net, .gov and .edu. The Middle East. This image is color-coded based on country codes. Lumeta's Markulec notes countries that are sworn enemies may sit just a few hops from each other on the Internet's backbone. War Stories. These two images come from Yugoslavia between March and July 1999, during the NATO bombing of the country. The dips in the lower image represent infrastructure going offline and traffic re-routing to adjust itself. Markulec says this information can be valuable for war fighters because it shows the impact on a communications infrastructure, where and how communications are being restored, and where the greatest points of weakness exist. Cuba, April 2008. Lumeta says that in this scan of Cuba's address space (.cu), approximately 50 percent of that address space was being filtered. That is, Cuba was blocking U.S. based traffic. Iran, April 2008. This is a map of Iran's address space (.ir). Lumeta noted that very little of its U.S.-based traffic, about 10 percent, was being blocked. It also noted that the one router in the .ir domain that passes the most traffic is physically located in Russia. Iran is apparently outsourcing a significant portion of its routed infrastructure. Global Brain? This image, captured in May 1999, maps all backbone routers based on distance from Lumeta's mapping host in New Jersey. On the color scale, yellow represents the closest nodes, while dark red is farthest away. Readers can construct their own metaphors about this image's similarity to neural networks of a human brain. IPv6. This image, from January 2007, shows 2,192 IPv6 nodes. The map is centered in Japan. IPv6 Growth. This image, from April 2008, shows the growth of IPv6 nodes. Also centered in Japan, the number of nodes increased to 6,132.

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