On 02/01/2014 08:17 AM, atchley tds.net wrote: > The cross-bar switch only guarantees non-blocking if the two ports are on > the same line card (i.e. using the same crossbar). Once you start > traversing multiple crossbars, you are sharing links and can experience > congestion.
Full backplane means no shared links, even if multiple switches are involved. Shared links are used when you oversubscribe the uplinks, like with a half or quarter backplane configuration. _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf