>Then there is the compromise solution: Do the spec and make it
>transport independent (1 document), and then publish multiple
>documents, each outlining a mapping to a specific transport so
>the method is "standardized" for interoperability purposes
>(documents 2 through n ), where 'n' is the number of transport
>mappings we want to "standardize".
>
>Another set of documents could also include a specification for
>locating IPP services via one or more directory service
>implementations.
etc...
Harry Lewis.