Master/slave configuration

[Barry Margolin]

In article <mailman.210.1331230835.63724.bind-users at lists.isc.org>,
 michoski <michoski at cisco.com> wrote:

> On 3/8/12 8:15 AM, "Romgo" <romgo at free.fr> 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