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Mercator
Author(s):
Ramesh Govindan and Anoop Reddy
Institution:
Information Sciences Institute, USA
Year:
1998
URL:
http://www.isi.edu/division7/publication_files/heuristics.pdf
Project Description:
"We have prototyped Mercator, a program that uses hop-limited probes--the same primitive used in traceroute--to infer the map of the Internet. Mercator uses informed random address probing to carefully explore the IP address space when determining router adjacencies. It also uses source-route capable routers wherever possible to enhance the quality of the resulting map, and employs novel mechanisms for resolving aliases (interfaces belonging to the same router).

Mercator maps are useful for obtaining context for fault-isolation. In addition, they can be used to visualize small, medium-sized, and large ISP topologies, generate realistic topologies for simulation, and understand properties of network structure."

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