From: Jeremiah Russell (jrussell at domain goldenmaned.com)
Date: Tue 29 Feb 2000 - 16:08:01 GMT
You should read some of the current articles on beowulfs. The trend seems
to be away from the hypercube towards switched networks (as switches become
cheaper). An article with a "heads-up" and reference to other sources can
be found at http://news.tucows.com/ext2/articles.shtml.
----- Original Message -----
From: "Paul Jakma" <paul.jakma at domain compaq.com>
To: <ilug at domain linux.ie>
Sent: Tuesday, February 29, 2000 3:21 PM
Subject: Re: [ILUG] Beowulf's in Ireland
> On Tue, 29 Feb 2000, John P. Looney wrote:
> > No. Back-to-back, like all the high-end beowulf systems. They usually
> > have a single connection to a hub or switch, and a few back-to-back
> > connections to other machines. With four cards, in a 16-machine cluster,
> > you can get 25% of your machines with dedicated back to back full duplex
> > 100mbit/sec connections, and the other's hang off a cheap switch.
> ah.. ok. Nice system - hypercube.
> But those multiport NIC's are expensive, aren't they?
> > That said, my brother is selling gigabit ethernet PCI cards for £400 a
> > piece, so even that's not an amazingly expensive alternative.
> > Kate
> Irish Linux Users' Group: ilug at domain linux.ie
> http://www.linux.ie/mailman/listinfo/ilug for (un)subscription
> List maintainer: listmaster at domain linux.ie
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