Multimedia & Internetworking Research Group
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The Ion P2P Project: Empirical Characterizations of P2P Systems

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Gnutella Topology Snapshots

To facilitate the work of other researchers, we provide some of our Gnutella topology snapshots in the form of Cruiser log files. Each line of the file presents the results of attempting to contact a particular host. The format of each line is as follows:

ip:port([Version][|[0]]): Type [[ip:port ]*, [ip:port]*]

The first ip:port pair is the IP address and port of the host Cruiser attempted to contact. If present, the Version is the self-reported brand and version of the Gnutella client. The Type may be one of "Ultrapeer", "Peer", or "Leaf", or an error message describing why the peer could not be contacted. If the connection was successful, then a series of space-separated ip:port pairs follow. Those before the comma are neighboring peers; those after the comma are leaf peers.

Please email Daniel Stutzbach if you have any questions.