Boffins say Internet 2.0 doesn’t need servers

University of Cambridge scientists say their proposal for a revolutionary new Internet architecture could make the Internet more “social” by eliminating the need to connect to servers and enabling all content to be shared more efficiently.

The prototype, which has been developed as part of a European Union-funded project called “Pursuit,” is being put forward as a proof-of concept model for overhauling the existing structure of the Internet’s IP layer, through which isolated networks are connected. The Pursuit Internet would, according to its creators, enable a more socially-minded and intelligent system, in which users would be able to obtain information without needing direct access to the servers where content is initially stored.

Dirk Trossen, the technical manager for Pursuit, explained that individual computers would be able to copy and republish content on receipt, providing other users with the option to access data, or fragments of data, from a wide range of locations rather than the source itself. Essentially, the model would enable all online content to be shared in a manner emulating the peer-to-peer (P2P) approach taken by some file-sharing sites, but on an unprecedented, Internet-wide scale.

This architecture, according to Trossen, would make the Internet faster, more efficient, and more capable of withstanding rapidly escalating levels of global user demand. Perhaps more importantly, it would theoretically make information delivery immune to server crashes.

“The current Internet architecture is based on the idea that one computer calls another, with packets of information moving between them, from end to end. As users, however, we aren’t interested in the storage location or connecting the endpoints. What we want is the stuff that lives there,” he explained. “Our system focuses on the way in which society itself uses the Internet to get hold of that content. It puts information first. One colleague asked me how, using this architecture, you would get to the server. The answer is: you don’t.”

As an example, Trossen said that if a user wants to watch their favorite TV show online, they search for that show using a search engine which retrieves a Uniform Resource Locator (URL) identifying which particular server stores the show. If, however, the user could correctly identify the content itself – in this case the show – then the location where the show is stored becomes less relevant. Technically, the show could be stored anywhere and everywhere. The Pursuit network would be able to map the desired content on to the possible locations at the time of the desired viewing.

Technically, this means online searches would stop looking for URLs and start looking for URIs (Uniform Resource Identifiers). These would be highly specific identifiers which enable the system to work out what the content is.

“Widely used content that millions of people want would end up being widely diffused across the network,” Trossen envisages. “Everyone who has republished the content could give you some, or all of it. So essentially we are taking dedicated servers out of the equation. The need to do something like this is only going to become more pressing as we record and upload more information.”

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Source: University of Cambridge

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