Subject: Re: DNAME [4.10]: Synthesized CNAME TTL=0

From: Edward Lewis <[email-masked]>
Date: Tue, 7 Nov 2006 15:58:05 -0800

The CNAME TTL ought to be the same as the DNAME's.

At 12:26 +0200 10/12/06, Wouter Wijngaards wrote:
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>Issue [4.10]:
>    In the original specification, all synthesized CNAME RRs had a TTL of
>    0.  Due to DNSSEC TTL=0 interpretation had to be changed to mean
>    "keep as long as the query using this RRset is still being
>    processed".  What is the status of this CNAME?
>
>    This could be synthesized CNAMEs should have a TTL equal to the TTL
>    of the DNAME.  This allows non-aware clients to cache the CNAMEs and
>    thus lightens the load on authoritative servers.
>
>
>
>Best regards,
>    Wouter
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Edward Lewis                                                +1-571-434-5468
NeuStar

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