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Bob Wyman wrote:
> Thomas B. Passin wrote:
>
>>national standards relating to surface transportation -
>>they used asn.1 as a schema language, but now want to
>>use xml for the actual messages while sticking with the
>>asn.1 for schemas, because the existing versions already used it.
>
> Today, now that we've got an updated X.693 and vendor support
> for it, these folk can simply use an E-XER encoder/decoder and they'll
> have XML moving in an out of the systems that used to only support
> binary encodings. And, they won't have to change any code other than
> the one or two lines of code that tell the ASN.1 layer which
> encoder/decoder to use.
They mostly did not actually have any implemented systems using asn.1 -
certainly the newer standards did not have them. But they did have the
schemas and were moving towards implementations. So the situation was a
bit strange.
Cheers,
Tom P
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