Fwd: [ofa-general] multiple path in opensm???

[xiaoshuang xia]

---------- Forwarded message ----------
From: xiaoshuang xia <xiaoshuangx at gmail.com>
Date: Thu, Jul 23, 2009 at 5:26 PM
Subject: Re: [ofa-general] multiple path in opensm???
To: Sasha Khapyorsky <sashak at voltaire.com>


Hi, Sasha

I have read osm_sa_path_record.c carefully, but I think this file only
return a list of appropriate path record for the user. I want to know either
opensm do the choosing job of this list or another package do this job.


Xiaoshuang

 On Wed, Jul 22, 2009 at 6:28 PM, Sasha Khapyorsky <sashak at voltaire.com>wrote:

>  On 10:23 Wed 22 Jul     , xiaoshuang xia wrote:
> >
> > I recently want to implement a routing scheme using opensm, but I face
> some
> > problem. Help me pls!! THX!!
> >
> > The problem is
> >
> > 1. In the opensm, if the multi-path between src and dst is denoted by the
> > multiple dst-lid.
> >
> > 2. If there are multi-path between the src and dst , what mechanism does
> > client choose the one of them. If this mechanism is implemented by
> opensm,
> > which file do this job? If choose one prefered path doesn 't implement by
> > opensm, what unit(call it "the choosing unit") finish this job, what data
> > structure does opensm hold to exchange the multi-path information to "the
> > choosing unit" and what file does this exchanging job in opensm.
>
> It is all about SA PathRecord querying, it is processed in
> osm_sa_path_record.c.
>
> Sasha
>
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