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Re: n-hurd networking


From: Thomas Bushnell, BSG
Subject: Re: n-hurd networking
Date: 07 Aug 2002 13:14:57 -0700
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2

James Morrison <address@hidden> writes:

> What if the 1st hurd that was booted on a machine crashes?  Should all the
> sub-hurds (or n-hurds, short for neighbourhurd) know they are a sub-hurd so
> they can take over the NAT?  I like the idea of booting two hurds on the same
> machine and each of them having every thing of there own except the cpu(s).

Ok, so the subhurd question (different from collectives).

It seems clear to me that each subhurd should have a separate IP
address, and that they should use net filters so that they keep out of
each other's way.  They should ignore incoming IP or ARP packets not
concerned with their own IP address.  This is almost adequate.  It
doesn't deal with packets from one subhurd to another on the same
machine.  I think the best thing to deal with that is to have the
kernel device automatically loop back such packets.





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