[AusNOG] ISP DNS Options

[Bill Woodcock]

Knot and Unbound would be your higher-performance-per-core options, but any of the three would work fine. 

    
                -Bill


> On May 2, 2016, at 20:04, "paul+ausnog at oxygennetworks.com.au" <paul+ausnog at oxygennetworks.com.au> wrote:
> 
> Thanks for the replies, I didn’t say BIND wasn’t working or couldn’t handle that load, I just asked about other options.
>  
> Regards
> Paul
>  
> From: Mark Smith [mailto:markzzzsmith at gmail.com] 
> Sent: Tuesday, 3 May 2016 12:56 PM
> To: Mark Andrews
> Cc: paul+ausnog at oxygennetworks.com.au; <ausnog at lists.ausnog.net>
> Subject: Re: [AusNOG] ISP DNS Options
>  
> 
> On 3 May 2016 12:50 PM, "Mark Andrews" <marka at isc.org> wrote:
> >
> >
> > In message <12115c50-a610-420b-a69d-ee81bac9d276 at oxygennetworks.com.au>, "paul+ausnog at oxygennetworks.com.au" writes:
> > > Hi All, we are looking at DNS Server options for an ISP business of
> > > around 10,000 customers using ADSL, NBN, Ethernet, and Wireless services.
> > >
> > > Currently the BIND solution which is in place is working but we are
> > > wondering what people would suggest as a next step that is easy to manage
> > > and cost effective to implement and that can grow with the business to
> > > handle 20-50,000 services eventually.
> > >
> > > Any advice would be appreciated.
> > > >
> > > Thanks
> > > Paul
> >
> > What makes you think named can't handle that many clients?
> >
> 
> +1
> 
> Circa 2008 two named servers were handing 50k+ ADSL customers, load shared by alternating anycast DNS server addresses on a per- BRAS bases. That included a view selected based on source address, which may increase processing load over a vanilla named configuration.
> 
> CPU utilisation on your named server should be the first way you measure your available DNS server/service capacity.
> 
> > Mark
> > --
> > Mark Andrews, ISC
> > 1 Seymour St., Dundas Valley, NSW 2117, Australia
> > PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org
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> > AusNOG at lists.ausnog.net
> > http://lists.ausnog.net/mailman/listinfo/ausnog
> 
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