On Nov 14, 2007 3:21 PM, Christian Floerkemeier <[EMAIL PROTECTED]> wrote:
>
> I have a question regarding the use of the reserved field in llrpdef.xml and
> llrp.xsd.
> Llrpdef.xml allows for multiple "reserved" elements in a message definition:


These are unrelated.

The reserved field you describe in LLRP.xsd is the reserved bits from
the binary LLRP message header, reserved by EPC Global in the LLRP
standard. There is only one reserved field in the header, so an
attribute makes sense there.

The reserved fields described in llrpdef.xml are a description of
reserved bit fields or alignment padding per message or parameter
type. There may be an arbitrary number of reserved fields in a message
or parameter. These do not appear in the XML representation described
by LLRP.xsd since they are not relevant at the abstract XML level...
they are only of use in building binary packets.

-- John.

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