confused with NS

[Mark.Andrews at nominum.com]

> 
> well ,then is it OK if i'm not going to include the MASTER in the NS lists
> ?
> so that clients queries are directed to the slaves instead of the master .

	Yes.  This configuration is know as "stealth master".

> my point here is to minimize the bandwidth usage of the MASTER ( for axfr
> to the slave only )
> 
> MASTER <-------> SLAVES <----------> internet
> 
> master-slave connection = axfr/notify to slave only
> slave-internet connection = dns queries 
> 
> so, is it safe not to include the master in the NS record or there's
> another way around this ?

	Just leave the it out.

> i know that eventhough the master is in the NS lists , queries are still
> hit to the slaves because the slave will answer faster that the master
> with regards of the location and delay. but i want the client not the
> query the master even if the slaves timeout.

	That is fine.

	Mark
> 
> 
> On Wed, 12 Apr 2000 Mark.Andrews at nominum.com wrote:
> 
> > 
> > > 
> > > hello bind,
> > > 	i have attached one of my zone file entry below , my question is :
> > > to whom the external request (i.e. YOU) query for reslution ?
> > 
> > 	All of them.  Apart from dynamic updates, clients do not care which
> > 	server it queries, all are equal.  If there are a signicicant number
> > 	of queries to this zone then the clients will use which ever servers
> > 	answer fastest.  For dynamic updates, clients will try the master
> > 	first provided the master is a listed server.
> > 
> > 	The nameservers listed with the Internic should agree with the
> > 	nameservers list in the zone.
> > 
> > 	Mark
> > 
> > > 
> > > ns2.pilnet.com ? or trinity.cebu.pilnet.com ?
> > > 
> > > trinity.cebu.pilnet.com = MASTER
> > > ns1/ns2.pilnet.com = SLAVES
> > > 
> > > INTERNIC nameservers entries :
> > >     Primary = ns1.pilnet.com
> > >     Secondary = ns2.pilnet.com  
> > > 
> > > * trinity.cebu.pilnet.com  is defined in ns1/ns2.pilnet.com as MASTER and
> > > flag themselves (ns1/ns1.pilnet.com) as slaves.
> > > 
> > > TOPOLOGY:
> > > trinity <-----> ns1/ns2.pilnet.com <----> internet
> > > 
> > > or do i have to reverse the order of declaring the NS's ? 
> > > say ,
> > > @       IN      NS      ns1.pilnet.com.
> > >         IN      NS      ns2.pilnet.com.
> > >         IN      NS      trinity.cebu.pilnet.com.
> > > 
> > > 
> > > -------- START -------
> > > 
> > > $TTL    172800
> > > ; Authoritative data for hpscorp.net 
> > > 
> > > @       IN      SOA
> > > trinity.cebu.pilnet.com. root.trinity.cebu.pilnet.com. (
> > >                 2000041200      
> > >                 432000
> > >                 7200
> > >                 864000
> > >                 86400 )
> > > 
> > > @       IN      NS      trinity.cebu.pilnet.com.
> > >         IN      NS      ns1.pilnet.com.
> > >         IN      NS      ns2.pilnet.com.
> > >         IN      TXT     "HPS Software and Communications"
> > > @       IN      MX      10      hpscorp.net.    
> > >         IN      MX      20      trinity.cebu.pilnet.com.
> > >         IN      MX      30      prophecy.cebu.pilnet.com.
> > > @       IN      A       202.58.117.6    
> > > www     IN      A       202.58.117.6
> > > 
> > > ----------- END ------------
> > > 
> > > --
> > > m  i  c  h  a  e  l   v  i  n  c  e  n  t   p  o  z  o  n
> > >           ::  mikevince at netexecutive.com  ::
> > > ---------------------------------------------------------------
> > > HPS Software & Communication Corp.     ICQ : 1413343
> > > Pilipino Internet Cebu              office : (+63)(32) 3447847
> > > Systems/Network Administrator       home   : (+63)(32) 3446427
> > > - - - - - - - - - - - - - - - - - - cell   : (+63) 917-3276966
> > >  - - - - - - - - - - - - - - - - -  http://mikevince.tripod.com
> > > 
> > > 
> > > 
> > --
> > Mark Andrews, Nominum Inc. / Internet Software Consortium
> > 1 Seymour St., Dundas Valley, NSW 2117, Australia
> > PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at nominum.com
> > 
> 
> --
> m  i  c  h  a  e  l   v  i  n  c  e  n  t   p  o  z  o  n
>           ::  mikevince at netexecutive.com  ::
> ---------------------------------------------------------------
> HPS Software & Communication Corp.     ICQ : 1413343
> Pilipino Internet Cebu              office : (+63)(32) 3447847
> Systems/Network Administrator       home   : (+63)(32) 3446427
> - - - - - - - - - - - - - - - - - - cell   : (+63) 917-3276966
>  - - - - - - - - - - - - - - - - -  http://mikevince.tripod.com
> 
--
Mark Andrews, Nominum Inc. / Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at nominum.com