[avahi] scalability of avahi (or mdns-sd in general)

[Lennart Poettering]

On Fri, 16.06.06 15:28, Nicholas Andrews (tar.bz2 at gmail.com) wrote:

> 
> In a talk Stuart Cheshire gave at Google
> (http://video.google.com/videoplay?docid=-7398680103951126462&q=bonjour)
> he goes as low as 100 hosts as already being too many. He isn't clear,
> however, on if that means that it would generate too much chatter to
> be practical or just more than what the protocol is supposed to be
> used for (and indeed there is no mention of the type of network).
> 
> I know that SLP allows scopes to be defined to help scale to larger
> networks, and I was wondering if there was (or could be) an equivalent
> with mDNS-SD? My application is a wireless ad-hoc network, so the
> question of overhead is an important one.

You could make use of DNS-SD on unicast DNS. This requires a central
server, though. And unfortunately, Avahi does supports this in a
read-only fashion only, right now. (However, full write support is
being worked on.)

Lennart


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Lennart Poettering; lennart [at] poettering [dot] net
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