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@VM.MARIST.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@VM.MARIST.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 >