[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Traffic Analysis and Namespace Dereferencing
Henry S. Thompson wrote: > > In passing I would point out that one reason the XML Schema design > labels _all_ URIs, whether NS URIs or schemaLocation values, as > _hints_ is so that conformant processors need not dereference _any_ of > them. It was precisely because of concerns such as those discussed in > this thread that Noah Mendelsohn primus inter pares argued > successfully for this aspect of the design. > Perhaps another way of saying this is that there is an association or relationship between a namespace and a schema.** The process of obtaining a schema document from a URI may involve: 1) local URL cache. 2) an entity catalog 3) a resource directory 4) a network protocol 5) ... other mechanisms ** This is not to say that there *must* be such a relationship, rather in the context of someone or something who intends to express such a relationship. *** The process of dereferencing a URL in practice may involve any of these mechanisms in the same way that a computer may use a local hosts file rather than perform DNS lookups. -Jonathan
|
PURCHASE STYLUS STUDIO ONLINE TODAY!Purchasing Stylus Studio from our online shop is Easy, Secure and Value Priced! Download The World's Best XML IDE!Accelerate XML development with our award-winning XML IDE - Download a free trial today! Subscribe in XML format
|