Polyphemus is a system for exploring and visualizing Computer Networks. It is able to look inside an Autonomous System and to explore a network at level of routers and their physical links. Polyphemus works only on networks that use the OSPF protocol and exploits the protocol information for learning the network topology.  Is is based on a two levels architecture with a client and a drawing-server. 

Polyphemus requires to access private routing information using SNMP. It is conceived as a local application that has to be installed and used by single users. The drawing-server of Polyphemus  encapsulate a graph drawing engine that computes visual maps of the network exploiting sophisticated algorithms.

 

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