[AusNOG] ISP DNS Options

[Bill Woodcock]

Would you prefer the client-side round-robin color, or the anycast color, or the fancy stripy both-color ones that the professionals use?

    
                -Bill


> On May 3, 2016, at 01:32, Chard, Alex (RET-SYD) <Alex.Chard at relx.com> wrote:
> 
> Ooh this is an exciting development. Where do I get my load balancing patch leads?
>  
> --Alex
> 
>  
> From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Bill Woodcock
> Sent: Tuesday, 3 May 2016 1:38 PM
> To: Tony Wicks <tony at wicks.co.nz>
> Cc: ausnog at lists.ausnog.net
> Subject: Re: [AusNOG] ISP DNS Options
>  
> Ugh.  I always say, when you can replace a middlebox with a patch-cord, always do so.  What advantage is the middlebox supposed to confer here, versus not having one?
>     
>                 -Bill
>  
> 
> On May 2, 2016, at 20:18, Tony Wicks <tony at wicks.co.nz> wrote:
> 
> Personally, I’d recommend sticking with bind, but load balance a couple of VM’s behind a couple of pairs of entry level (say 100D, VM01 or larger) Fortigate pairs (built in basic but perfectly adequate load balancing/health checking). That way you can easily and cheaply scale, grow and maintain as needed. This works well.
>  
> cheers
>  
> From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of paul+ausnog at oxygennetworks.com.au
> Sent: Tuesday, 3 May 2016 3:03 PM
> Cc: ausnog at lists.ausnog.net
> Subject: Re: [AusNOG] ISP DNS Options
>  
> 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
> > _______________________________________________
> > AusNOG mailing list
> > AusNOG at lists.ausnog.net
> > http://lists.ausnog.net/mailman/listinfo/ausnog
> 
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