Re: Repository services and budget

[Jeff Williams <jwkckid1@ix.netcom.com>]

Kent,

Kent Crispin wrote:
> 
> Jeff Williams allegedly said:
> >
> > Kent,
> [...]
> > > In this model, the performance issue isn't redundancy and
> > > ultra-reliability -- it's the computational cost of doing public key
> > > operations.  These operations are O(frequency of domain creation) --
> > > for a registry creating under a thousand domains a day a high end
> > > pentium machine should be more than adequate.  Something that could
> > > run in a closet at ISI.
> >
> >   I suppose you have taken into account Hardware maint. and drive
> > failures
> > as well?  How do you perpose to handle that with one machine?
> 
> I wouldn't.  I would keep a duplicate spare.  Two pentium machines.
> Maybe $10000.

  Ok, that should be fine.  BUt they will need to be sharing drives at
least.
> 
> > Or is the
> > that registry just down for that period of time?
> 
> You can't reserve or add any new names to DNS during the period the
> machine is down.  Something like two hours, worst case.  In the case
> of a catastrophic failure, where the disk is lost, you wait an hour
> or whatever for the registrars to propagate their DNS updates.  If
> DNS is down as well you have a pretty serious problem.

  Well I was not talking about the machine being down, rather I was
refering to a bad drive or a scheduled archive.  There should be
no reason that the DNS is compleatly down.
> 
> >And is the domains
> > on a spicific drive not avalible when a drive goes bad?
> 
> It doesn't keep any record of domains -- only pending updates and
> reservations.  The information concerning domains is in DNS.  If DNS
> goes down for the zone, then you have a serious problem.  But that is
> almost impossible -- there should be multiple secondary DNS servers
> for the zone.

  Where are the Domain def's kept than?  Where is the DNS db itself?
On a drive somewhere, correct?  I agree that there should be multipul
servers for the zone.  But you did no include that in you previous post.

Regards,
-- 
Jeffrey A. Williams
DIR. Internet Network Eng/SR. Java Development Eng.
Information Eng. Group. 
Phone :972-447-1878
E-Mail jwkckid1@ix.netcom.com