[Openib-windows] File transfer performance options

[Tzachi Dar]

My experiment was windows to windows.

Thanks
Tzachi 

> -----Original Message-----
> From: Paul Baxter [mailto:paul.baxter at dsl.pipex.com] 
> Sent: Wednesday, September 06, 2006 9:17 PM
> To: Tzachi Dar; openib-windows at openib.org
> Subject: Re: [Openib-windows] File transfer performance options
> 
> > Tzachi Dar kindly responded with:
> In the beginning of this mail thread you have described a 
> problem of passing files from a Linux server to windows 
> server. You have described many experiments that you did and 
> the fact that the performance that you received was not as 
> good as expected.
> 
> In reply I have advised you to consider using SDP for this 
> file transfers. if to summarize your answer in one sentence 
> you said that SDP is still not ready.
> <
> 
> While that is true, I've been happy with SDP performance on 
> Linux, but for this particular situation wanted to export the 
> data by file/directory metaphor rather than by explicit 
> application message transfer. ie let a Linux 'driver' support 
> the transfer driven from a Windows app.
> 
> Many thanks for doing the experiment.
> 
> Was this between a Linux SDP instance and a windows SDP instance?
> 
> We'd certainly consider SDP (or verbs ) if we end up having 
> to write an explicit message passing application for the 
> Linux side of our application, but at present we were trying 
> to write a windows app that directly looked at a network 
> mounted disk. An application was NOT required to run on the 
> Linux side to 'serve' data.
> 
> SRP might be the right answer long term but its still not 
> clear to me if SRP is designed to work cross-platform across 
> possibly different IB stacks. Are SRP implementations 
> expected to be cross-compatible?
> 
> I ask because Mellanox SRP on Windows talks of only being 
> supported with particular SRP targets but with a Linux openIB 
> SRP target not yet supported.
> 
> Thanks again for your effort.
> 
> Paul Baxter 
>