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Autonomous Systems From The View Of Multiple Vantage Points


G.Srinivasa Rao, G.Venkateswara Rao, M.Venkateswara Rao, G.Appa Rao, D.kishore Kumar, G.Anuradha, D.Veerabadra Rao, P.Surya Chandra, K.Krishna Chaitanya, T.Anand


Vol. 9  No. 10  pp. 191-197


The delivery of IP traffic through the internet depends on the complex interactions between thousands of autonomous systems (ASs) that exchange routing information using the Border Gateway Protocol (BGP). This paper investigates topological structure of the internet in terms of customer provider and peer-peer relationship between AS's, as manifested in BGP routing policies. We describe a technique for inferring as relationships by exploring partial views of the AS graph available from different vantage points. Next we are apply the technique to a collection or ten BGP routing tables to infer the relationship between neighboring ASs .Based on these results , we analyze the hierarchical structure of the Internet and purpose a five-level classification of ASs. Our characterization differs from previous studies by focusing on commercial relationships between ASs rather than simply the connectivity between the nodes.


Computer Networks, Autonomous Systems from the view of multiple vantagepoints