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How does IP storage differ from iSCSI, NAS and Fibre Channel?
FCIP or IFCP for storage over distance is very complementary to an FC-based or FICON-based storage network; ideal for business continuance or data replication. We also see a competitive aspect, positioning FC vs. IP. In practice, it's usually the IP community wanting a bite of the FC pie. Today, each technology is really finding its particular space, such as FC in the enterprise, iSCSI in the small and midsized business (SMB) area or distributed enterprise and NAS fitting between those.
Over time, we will see the reemergence of storage interface wars (e.g., iSCSI conquering the world or FC survival). This usually happens every few years -- often coinciding with some new interface or initiative or development. Right now, the contest between interfaces is still very much the status quo. Hype is certainly not reality. There's still plenty of life left in FC, iSCSI has a very bright future, and NAS is a diamond in the rough that really has a lot of upsides.
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09 Jan 2007