RE: no overall type in Extended Attributes

["David B. Nelson" <d.b.nelson@comcast.net>]

Glen Zorn writes...

> ...the current definition of the Extended Attributes
> doesn't in general allow the definition of an overall type for the
> Attribute in question: an Extended Attribute is basically just an
> unordered set of TLVs.

In other words, the Extended Attribute is a "super attribute" or "wrapper
attribute" that contains other "attributes", which you refer to as "TLVs",
to distinguish them from standalone attributes.

The issue is that one cannot "name" any particular group of aggregated TLVs.
One solution is to simply add a Group-Name TLV to the Extended Attribute.
I'm not sure that addresses the intended use, however.  I suspect that the
use is to "call up" a pre-defined grouping by name.

I think I'd like to see some "real-world" examples of use cases discussed
here before I would want to attempt to make a decision on whether this is a
serious issue or not.



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