[ofiwg] DS/DA - FW: new NVM slide

Paul Grun grun at cray.com
Thu Feb 18 16:31:53 PST 2016

Folks – Here is a proposed replacement for the existing Slide 8 (Emerging Storage Protocols).  Can we have a lively email discussion on this?  I’ll start:

The existing Slide 8 tries to make the case that improved completion semantics provided by kfabric (and libfabric) are required to support so-called ‘client driven’ usage models.  This is driven primarily by the emergence of remote, byte-addressable NVM, which is likely to see much smaller average payload sizes than classical ‘server driven’ storage models.

Nevertheless, my question is whether folks believe that data replication is likely to become a key driver of RDMA with NVM.  I think Frank makes some excellent points in his slide, but I’m not sure that, by itself, is a compelling argument.


From: Yang, Frank [mailto:Frank.Yang at netapp.com]
Sent: Tuesday, February 09, 2016 11:23 AM
To: Paul Grun <grun at cray.com>; Stan Smith <stan.smith at intel.com>
Subject: new NVM slide

Slide 8  “emerging storage protocols”
Whether it is serve driven or client driven, it doesn’t help our cause because Verbs can support it just as well.  I suggest we replace this slide with NVM use case slide attached.


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