[dns-operations] Recommended zone serial number format for over 100 changes / day

[James R Cutler]

> On Mar 30, 2016, at 5:02 PM, Mac Innes, Kiall <kiall at hpe.com> wrote:
> 
> On 30/03/16 21:47, James R Cutler wrote:
> On Mar 30, 2016, at 2:56 PM, Jonathan Tuliani <Jonathan.Tuliani at microsoft.com<mailto:Jonathan.Tuliani at microsoft.com>> wrote:
> 
> Hi DNS Gurus,
> 
> RFC1912 recommends the following SOA serial number format: YYYYMMDDnn
> 
> However, this does not support more than 100 updates per day (whilst this sounds like a lot, the fluidity of the Cloud means there are some applications where large numbers of changes are commonplace).
> 
> Is there a recommended serial format that supports large numbers of changes?
> 
> Thanks in advance,
> 
> Jonathan Tuliani
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> 
> 
> Use YYYYMMDDnnn
> 
> James R. Cutler
> James.cutler at consultant.com<mailto:James.cutler at consultant.com>
> PGP keys at http://pgp.mit.edu
> 
> 
> Won't that just push you over the limit for an unsigned 32 bit integer, which is all that is allowed in a SOA's serial field?
> 
> 4294967295
> YYYYMMDDnnn
> 
> - Kiall


Oops. Sorry. My bad. — Apparently the anesthetic isn’t completely out of my system.

James R. Cutler
James.cutler at consultant.com
PGP keys at http://pgp.mit.edu

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