Based on Lawrence Snyder’s slides for UW-Seattle. This notice serves as permission for their use for teaching in public or private (not for profit) schools.

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Presentation transcript:

Based on Lawrence Snyder’s slides for UW-Seattle. This notice serves as permission for their use for teaching in public or private (not for profit) schools. © 2014

The following explanation describes what these machines do

.root.com.edu.gov.ca.mx.info…….washington.ufl.cs.infocise spiff

Every point is a physical network and all could be part of the.com domain and so known to the.com autho

Fault tolerant: when a hurricane takes out Miami’s power, only the domains without power are affected … Robust: when a fire burns down the building of a.root name server, 12 others can carry the load Enormous capacity: most lookups are independent and do not collide (b/c higher level domain authos are cached), but more capacity is possible by replicating authos