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Fwd: Re: placement of secondary name servers for .uk.



I thought this might be relevant to the group. It came
from the DNS-OP mailing list.

SG
--- Jaap Akkerhuis <jaap@sidn.nl> wrote:
> To: Peter Gradwell <peter@gradwell.com>
> CC: dnsop@cafax.se
> Subject: Re: placement of secondary name servers for
> .uk. 
> Date: Tue, 21 Nov 2000 16:20:33 +0100
> From: Jaap Akkerhuis <jaap@sidn.nl>
> 
> Peter,
>     
>     - Currently this is done on a "traditional" and
> "cooperative"
>     basis. The question is whether it needs to be
> formalised (the
>     lawyers probably think so) and if so who should
> be asked to
>     tender.
> 
> Well, we are also wondering whether we need to
> change this. The
> current opinion seems to be that, since there is
> such a lot at
> stake (read commercial value) on a proper working
> DNS, one needs
> to control the ``slave'' servers as well or at least
> to have an
> SLA with the slave server operator.
> 
> There is in CENTR an ad-hoc working group trying to
> come up with
> what they call a shared nameserver. In this model,
> one registry
> will run a system which will also host nameservers
> for others. The
> operation of the hosted nameserevers can be done by
> the registries
> themselves. The hosting registry takes only care of
> its own zonefile.
> There is a mailing list out on this subject:
> 
>   CENTR SSS-WG mailing list <sss-wg@lists.centr.org>
>   This is a closed list for the CENTR Shared
> Secondary Servers Working Group.
>   For more information please contact
> <postmaster@centr.org>.
> 
> although there hardly seems to be any traffic on it.
> 
>     Currently, I'm seeking advice on the following
> points, and
>     should be grateful for your views:
>     
>     a)      What is the traffic profile for DNS
> queries? For example,
> 	     should we put servers in asia? What weighting
> in terms
> 	     of numbers of servers should we give to the
> UK/Europe/East
> 	     Coast/West Coast/Mid US?
> 
> We (.nl) have currently only Europe & US covered. I
> assume you
> could measure the traffic pattern by switching on
> query logging
> (although this will effct perfdormance) or by
> sniffing. The might
> give a clue. But then, the slave server operator
> might not like
> it.
>     
>     - I notice that CAIDA made a report to the
> RSSAC, in October 1999
>    
>
http://www.caida.org/tools/measurement/skitter/RSSAC/
>     
>     - Does anyone know if they made any subsequent
> reports?
> 
> At the ICANN was again a report about the root
> servers. The link
> is burried in the minutes (scribe notes).
> 
>     
>     b)      Should DNS servers be placed on the
> transit LANS of
> 	     Exchange Points, or should they be hosted at
> the
> 	     premises of ISPs? Can they be "one hop" from
> an EP,
> 	     but at an ISP's datacentre (for ease of
> management).
> 	     What if that ISP doesn't have an open peering
> policy?
> 	     Or if they block some traffic (RBL) ?
> 
> I personal prefer an exchange point. Apart from the
> things you
> refer to, you also avoid the sily discussion that by
> having it in
> an ISP you would givr advanta
> ge to that ISP.
>     
>     I understand that the root server advisory
> committee is asking
>     similar questions for ICANN. I assume that other
> registries
>     may be doing the same. If anyone else is
> currently considering
>     these issues, please let me know  - perhaps we
> can pool brains
>     and produce a combined strategy?
> 
> As said before, the centr ad-hoc workgroup is trying
> such a combined
> strategy. And we would be happy to pool brains as
> well.
> 
> 	jaap
> 
> 


=====
Steve Glines           http://www.shore.net/~sglines/resume.html
http://web.belmont.ma.us
voice: 617-484-4358         
fax: 617-484-4401
cell: 617-549-7274

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