Re: vsta and group communication

Andrew Valencia writes:
>
> [borjam@we.lc.ehu.es (Borja Marcos) writes:]
>
> > I'm interested on distributed algorithms and have found
> >(finally) a freely available operating system. I'm considering
> >adding group communication and some synchronization
> >mechanisms to vsta. Has anyone already done it?
>
> A fellow did a very simple semaphore filesystem. Another did a
> thread/shared address space mutex mechanism.
>
> >It anyone
> >doing it? I'm thinking about group communication facilities
> >similar to Amoeba's.
>
> I'm not familiar with this; can you point me to a paper?

        The mechanism used in Amoeba is described in
ftp.cs.vu.nl:/pub/amoeba/amoeba_papers/group94.ps.z

        I'm interested on fault-tolerant redundant systems,
and this paper describes an excellent protocol.

        Borja.

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