[CentOS] Is avahi essential?

William Warren wrote:

>>> 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>

I had looked up mdns on google, which is what you seem to be suggesting.
But it did not give me an answer to my query above.
Which URL did you think answered this?

-- 
Timothy Murphy  
e-mail: gayleard /at/ eircom.net
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s-mail: School of Mathematics, Trinity College Dublin