Jump to first page
February 2003
slideset 1 -7
DNS Features: Loose Coherency
n
nThe database is always internally consistent
uEach version of a subset of the database (a zone) has a serial number
FThe serial number is incremented on each database change
n
n
nChanges to the master copy of the database are replicated according to timing set by the zone administrator
n
nCached data expires according to timeout set by zone administrator