[CentOS] Is avahi essential?

Wed Jan 11 11:47:02 UTC 2012
William Warren <hescominsoon at emmanuelcomputerconsulting.com>

On 1/11/2012 6:42 AM, Timothy Murphy wrote:
> Rilindo Foster wrote:
>
>>> So I looked up avahi on the web, but as far as I could see
>>> it is not doing anything essential;
>>> so I was wondering if stopping avahi-daemon would have any bad effect?
>> Avahi is a mdns daemon. You can safely disable it in most cases.
> But what applications use mdns?
>
> As far as I can see, it is some sort of rival to dhcpd.
> Is it only used within local LANs?
> Is it used, for example, by CUPS to identify printers?
> When, if ever, would it be used in a home network?
>
http://www.google.com/search?sourceid=chrome&ie=UTF-8&q=mdns 
<http://www.google.com/search?sourceid=chrome&ie=UTF-8&q=mdns>

multicast dns.  How it applies to cent though i don't know at this instant.