Compression and encryption are also much faster in hardware than software -
especially when the software is running on a processor doing other work.
Nothing new under the sun - it's just the same paradigm applied to a new
function.

Nick Cassimatis

----- Forwarded by Nicholas Cassimatis/Raleigh/IBM on 04/17/2008 01:51 PM
-----

"ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU> wrote on 04/17/2008
12:13:08 PM:
> Re: TSM being abandoned?
>
> Curtis Preston
>
> to:
>
> ADSM-L
>
> 04/17/2008 12:18 PM
>
> Sent by:
>
> "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
>
> Please respond to "ADSM: Dist Stor Manager"
>
> Just to set realistic expectations... To date, no backup software vendor
> has offered dedupe that has anywhere near the speed that is offered by
> the VTL/IDT (intelligent disk target) market.  The backup software
> dedupe products run at 10s of MB/s, MAYBE 100 MB/s, but that's it.  The
> VTL/IDTs START at 300 MB/s and go up to 1000s MB/s.  I wish the best for
> IBM in this regard, as I am a big fan of dedupe, but history is not in
> their favor.  In addition, the other software companies that did this
> did so by acquisition.  It appears that IBM is going to do it
> themselves.  That's much harder.
>
> That is, unless, the rumored acquisition of Diligent ever happens...
>
> ---
> W. Curtis Preston
> Backup Blog @ www.backupcentral.com
> VP Data Protection, GlassHouse Technologies
>