[Home] [By Thread] [By Date] [Recent Entries]


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



Site Map | Privacy Policy | Terms of Use | Trademarks
Free Stylus Studio XML Training:
W3C Member