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So LVS is basically and advanced way of doing DNS round robin stuff--
similar to Cisco's LocalDirector?
On Wed, 2002-02-13 at 14:05, Roberto Nibali wrote:
> Hello Joe,
>
> > I understand the differences between Beowulf and Mosix. With Beowulf,
> > each process of a "cluster compiled" application can be load balanced
> > across all clustered servers. With Mosix, each process of an
> > application or thread will be executed on the cluster node that is least
> > used (Has resources available). In these types of situations, where
>
> Oh, thanks, this is by far the nicest explanation I've ever read. This
> makes perfectly sense now. Thanks.
>
> > does LVS fit in? Does an application have to be compiled to use header
> > files from LVS (aka PVM style)? Is it application independant and more
> > kernel clustering?
>
> None, actually, IMHO. You define clustering and load sharing, LVS does
> traffic load balancing. No processes are involved. It's mainly to have
> redundancy and load balancing on the network level. The application
> level behind a LVS cluster can then again be load balanced/shared with a
> Beowulf/Mosix cluster.
>
> > The best situation that I would be looking for is where I wouldn't have
> > to recompile any applications and that it would load balance
> > applications (single processes) across multiple nodes.
>
> You can't load balance application load, but you can load balance the
> incoming traffic that hits the server those applications are running and
> thus indirectly load balance application load but you have almost no
> influence on the load balancing of the application load.
>
> > I've already decided to go with Mosix unless LVS does a similar thing,
> > in which case I will probably try LVS instead.
>
> From reading your email I get the impression you definitely need load
> sharing and thus either Mosix or Beowulf. I stand corrected but you need
> to provide a rough idea of what you intend to do, how does your
> application work?
>
> HTH and tell me if it doesn't make sense,
> Roberto Nibali, ratz
>
>
>
>
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