[ofa-general] [PATCH 5/7 V3] osm: QoS - adding QoS policy options

Sasha Khapyorsky sashak at voltaire.com
Fri Aug 31 05:04:50 PDT 2007


On 07:21 Fri 31 Aug     , Hal Rosenstock wrote:
> On 8/31/07, Sasha Khapyorsky <sashak at voltaire.com> wrote:
> > On 06:58 Thu 30 Aug     , Hal Rosenstock wrote:
> > > >
> > > > >  And when the setup part of the new QoS will be ready, would we still want
> > > > >  the SL2VL and VLArb tables to appear in the opts file?
> > > >
> > > > Don't think. Why we need it in two places?
> > >
> > > Are you saying that the existing QoS will get these tables from the
> > > new QoS syntax (and the existing syntax eliminated) ?
> >
> > Yes. I think it is better than to keep two potentially conflicting
> > configurations.
> >
> > > If so, what
> > > about backward compatibility ? Also, how straightforward is it to
> > > specify the equivalent as the existing syntax ? Will a conversion tool
> > > be supplied ?
> >
> > Not sure it is needed - it is just few lines of text now.
> 
> The new equivalent syntax ?

The new syntax is not equivalent, but similar in part of vlarb and sl2vl
configuration, it is much more powerful and requires some extra lines.
In order to have equivalent configurations vlarb and sl2vl should be
specified by node/port type. Hope I'm not worng about this.

Sasha



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