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Message-ID: <4BA33C4F.1030106@gmail.com>
Date: Fri, 19 Mar 2010 03:56:47 -0500
From: Dale <rdalek1967@gmail.com>
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Subject: Re: [gentoo-user] Re: CUPS and hp OfficeJet Pro
References: <loom.20100318T142317-279@post.gmane.org> <4BA23040.10405@gmail.com> <loom.20100318T153341-587@post.gmane.org> <loom.20100318T170516-59@post.gmane.org> <4BA25787.9000301@gmail.com> <loom.20100318T191030-254@post.gmane.org> <4BA28522.409@gmail.com> <4BA28DB0.10809@kutulu.org>
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Mike Edenfield wrote:
> On 3/18/2010 3:55 PM, Dale wrote:
>
>
>> I think avahi is a KDE thing. I don't really know what zeroconf is. If
>> I recall correctly, some package said it had to have that so I turned it
>> on. No clue what it is even after looking up the definition with euse.
>> May as well be Greek. ;-)
>>
> Zeroconf is a set of technologies that are supposed to generate a fully
> working IP network with no user or operator intervention. It includes
> three basic parts: link-local network config (e.g. IPv4LL), distribution
> hostname resolution (multicast DNS), and automatic service and device
> discovery (DNS service discovery).
>
> Used in the context of applications or services, you're usually talking
> specifically about the autodiscovery portion, which allows applications
> to find services and network devices automatically. It was primarily
> invented at Apple, who developed mDNS and DNS-SD, and is built into OS X
> as Bonjour.
>
> Avahi is just a free-software implementation of Bonjour (which was
> originally under the not-entirely-free Apple Public License), and from
> what I've read has practically overtaken Bonjour in terms of performance
> and features.
>
> Back onto the topic at hand: emerging cups with +zeroconf allows it to
> respond to service discovery requests. By default CUPS uses
> mDNSResponder, which is Apple's implementation; with +avahi is uses
> avahi instead. This means any Mac on your network will automatically
> see CUPS printers, as will any Linux client with avahi properly
> installed. Windows machines with iTunes or Safari installed probably
> have Bonjour as well, so they'd also benefit.
>
> On a side-note: CUPS 1.4 stopped supporting Avahi and only supports
> Apple's implementation, so the Gentoo devs have disabled zeroconf
> support completely until CUPS 1.5 (or whatever) brings back native Avahi
> support.
>
> --Mike
>
>
>
Thanks for the corrections. I thought it was a KDE thing because KDE
pulled it in on here. It appears to have more than one use. That's good.
Dale
:-) :-)