On 16:41 Mon 13 Jul , Nicolas Morey-Chaisemartin wrote: > This patch adds support for horizontal (sibling) links in the Fat-Tree > algorithm. > Horizontal links are handled as both upward and downward. They are treated as > any other through the exploration but they are only considered last to ensure > that for 2 paths of the same lengths the one without horizontal links is > preferred. > > Also trying horizontal links after other links ensures that the horizontal > path will be as far as possible in the created route (in the ftree > exploration sense) thus reducing (removing?) the risk of credit loops. > Several tests have been run with Sun QNEM switches and results are good. > > This patch may require some enhancements later (horizontal links in higher > levels have not been fully validated) but it does not change the behaviour on > topologies without horizontal links. Thus it should be safe to apply. > > > Acked-by: Line Holen <line.ho...@sun.com> > Signed-off-by: Nicolas Morey-Chaisemartin > <nicolas.morey-chaisemar...@ext.bull.net>
Applied. Thanks. Sasha _______________________________________________ general mailing list general@lists.openfabrics.org http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
