non-Java, Open Source, Message-Oriented Middleware

Jeremy jepri at
Wed Jun 19 07:58:57 EST 2002

Jumping in late, but did anyone mention muscled?

On 2002.06.18 10:27 Doug.Palmer at wrote:
> > Please let me know how your search turns out.
> Thanks for the tip about Spread. I had developed a blind spot about
> searching for groupware. Virtual synchrony and total order are Good
> Things
> not found in most MOM.[*] About the only other thing I've found is the
> venerable Isis/Horus/Ensemble stuff.
> There's a few others:
> isectd doesn't seem to offer reliable messaging
> Looking at Sourceforge, Yet Another Middleware, O-Mom, CrimsonMQ,
> OpenMQ,
> NetEvents and others don't seem to have actually produced anything.
> [*] Virtual synchrony: consumers that are subscribed to the same
> sequence of
> "views" receive the same messages. Total order: everybody receives
> messages
> in the same order, even if they're published by different processes.
> Actually total order isn't found in most GCSs, which have what's
> called
> "causal" ordering: a message sent in response to a message will always
> arrive after the original message.

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