New feature: zeroconf networking by default, please test

[Samuel Maftoul]

> Ubuntu Wiki says
> "Other operating system correctly use link-local addresses for
> communicating on adhoc networks or local LANs without a DHCP server."
> What are "other OSs"?


Windows does that: If the you're set in a dhcp set up and there is no dhcp
answers, then after a (too much) long timeout, it takes an ip within the
zeroconf subnet. OSX (and OS9) also does IPv4LL but don't remember how.

It is implemented by avahi-autoipd, so other Linuxes should be fine if
> they have the Package and a decent configuration, but do we also talk to
> Windows or MacOS machines?


What do you mean by talk ?
I think IPv4LL is a protocol that takes randomly an IP address within the
reserved /16 subnet (169.254.0.0) and checks for duplicate. If 2 stacks
negociated and IP address within the same subnet, they can talk one each
other as it is the case for static adresses or dhcp allocated (the rules of
ip still remains, the only thing how you negociate ip addresses)

thanks, Martin



Thanks

Sam
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