In <[EMAIL PROTECTED]>, M. Warner Losh <[EMAIL PROTECTED]> typed:
> In message: <[EMAIL PROTECTED]>
> Mike Meyer <[EMAIL PROTECTED]> writes:
> : The major problem with it is that todays bus architectures don't have
> : stable device addresses. Instead of devices having a fixed address on
> : the bus that the user sets, the addresses are assigned as the devices
> : are discovered. This is pretty much a requirement if you want to sell
> : hardware to 12:00 flashers. While that's not the market that FreeBSD
> : deals with, it is the hardware that FreeBSD runs on.
> usb assigns addresses dynamically. Everyone else does it basically
> statically. PCI slot/device numbers are static, but extreme
> configurations can change the bus number.
USB is popular enough and PCI changes enough that we have to be able
to deal with them.
Firewire would seem to be a lot like USB - hot pluggable and
chainable, though I'm not sure if something like a firewire hub. What
does it to do wire down device addresses?
Thanks,
<mike
--
Mike Meyer <[EMAIL PROTECTED]> http://www.mired.org/consulting.html
Independent Network/Unix/Perforce consultant, email for more information.
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