I've noticed that Sun, NetApp, EMC, etc. all have their own NAS appliances. IBM, Dell, etc. also have NAS appliances but NDMP support is not universal between the various vendors.
As an example, Veritas' NDMP support does not list IBM NAS devices. Is this a competitive slight? How will consumers determine which NAS devices will have the widest and most standardized protocol/services support when choosing NAS devices?
To figure out competitive comparisons you need to create a list of distinguishing factors and from that a comparison matrix and then research each offering to fill it in and, keep it updated. We do that for our clients but you can certainly do it yourself if you have the time and can converse with the vendors for detailed information.
Evaluator Group, Inc.
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This was first published in April 2003