Master/slave configuration

Barry Margolin barmar at
Fri Mar 9 01:04:59 UTC 2012

In article <mailman.210.1331230835.63724.bind-users at>,
 michoski <michoski at> wrote:

> On 3/8/12 8:15 AM, "Romgo" <romgo at> wrote:
> > I can use a VIP for DNS server, but I though that master/slave
> > configuration was made in order to avoid to use a VIP.
> Master/slave was to avoid SPOF -- if the master dies, who cares with a
> reasonable expire time.  :-)

Master/slave also predated VIPs.  It goes back to the early days of 
TCP/IP, many years before anyone had ever implemented load balancers, 
anycast, and other HA solutions.

Barry Margolin
Arlington, MA

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