P2P is very popular in content distribution network. The most famous one might be BitTorrent. Well, most P2P applications are fully P2P so they proposed new protocols and client softwares. CoBlitz is another concept for distributing large contents over network. It doesn’t propose new protocol, new server or new client. The development team claims that it reaches 700 Mbps while distributing Fedora Core 5.

CoBlitz relies on CoDeen content distribution network. To use CoBlitz, you are not a part of CoDeen. In other words, CoDeen consists of distributed server-class peers so we are just end-users through CoBlitz service. It is also possible to assume that CoBlitz is a distributed HTTP proxy running on top of CoDeen. Note that you don’t need to specify proxy server to use CoBlitz because it uses URL embedding technique. For example, you want to download a big file from below URL.

http://coblitz.cs.princeton.edu/bigfile/FC-4/FC4-i386-disc1.iso

You can use CoBlitz to maximize transfer speed using below URL.

http://coblitz.codeen.org:3125/http://coblitz.cs.princeton.edu/bigfile/FC-4/FC4-i386-disc1.iso

Great idea! Simple but effective solution. By the way, CoDeen works fine because they have around 600 dedicated peers distributed around the world, including Google. BitTorrent seems to be a higher scalable solution right now.

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