Greedy Routing Enables Network Navigation Without a 'Map'

(PhysOrg.com) -- How does an e-mail get routed so quickly to its recipient's inbox, or a search query generate relevant Web pages from servers from around the world? Navigating the Internet - or any similar network - generally works most efficiently when routers have knowledge of the network's global topology. Without knowing the links between nodes, it's difficult to determine the shortest path between two nodes.

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<p><a href="http://www.physorg.com/news154093231.html">Greedy Routing Enables Network Navigation Without a 'Map'</a></p> <p>(PhysOrg.com) -- How does an e-mail get routed so quickly to its recipient's inbox, or a search query generate relevant Web pages from servers from around the world? Navigating the Internet - or any similar network - generally works most efficiently when routers have knowledge of the network's global topology. Without knowing the links between nodes, it's difficult to determine the shortest path between two nodes.</p>