RFC1996 and IXFR dependency graph loops
Ketil Froyn
ketil-bind at froyn.net
Mon Sep 23 12:57:09 UTC 2002
Hello.
Section 2.2 of RFC1996 states:
2.2. The zone's servers must be organized into a dependency graph
such that there is a primary master, and all other servers must use
AXFR or IXFR either from the primary master or from some slave which
is also a master. No loops are permitted in the AXFR dependency
graph.
I read this to mean that loops in IXFR dependency graphs are legal, but
loops in AXFR dependency graphs are not. Does anyone know the reason AXFR
loops are not allowed, and then the reason why IXFR loops are ok?
Thanks,
Ketil
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