| P. Barford, A. Bestavros, J. Byers, and M. Crovella, "On the Marginal Utility of Deploying Measurement Infrastructure," in Proceedings of the ACM SIGCOMM Internet Measurement Workshop, November 2001. |
....hop limited UDP packets to a known destination and uses ICMP responses generated by intermediate routers to obtain the path between the source and the destination. In order to obtain comprehensive topology information, most existing systems run traceroute from multiple probing hosts [7] 8] 9] [10], 11] or use source routed traceroutes [12] 13] Two routers appearing consecutively on a path implies the existence of a link between them; this induces a natural construction of the underlying topology from the traceroute probe results. We have developed an IPv6 topology discovery tool, Atlas ....
P. Barford, A. Bestavros, J. Byers, and M. Crovella, "On the Marginal Utility of Deploying Measurement Infrastructure," in Proceedings of the ACM SIGCOMM Internet Measurement Workshop, November 2001.
....ASid field contains 1. For the same reason, the ASfrom and ASto fields for the edges contain 1 values. The final field for both nodes and edges, correspond to a type assigned to them by a classification routine. BRITE provides a classification routine based on a classification method proposed in [3]. The classification routine is not called by default and hence both nodes and edges are unclassified (NONE type) Listing 4.3 Output format: Flat router level topology, 5 nodes, 8 edges Topology: 5 Nodes, 8 Edges ) Model ( 1 ) 5 1000 100 1 1 2 0.15 0.2 1 10 1024 Nodes: 5) 0 216.00 663.00 ....
P. Barford, A. Bestavros, J. Byers, and M. Crovella. On the Marginal Utility of Deploying Measurement Infrastructure. Technical Report Computer Science Technical Report 2000-018, Boston University, July 2000.
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