- From: Mark Nottingham <mnot@mnot.net>
- Date: Wed, 18 Jul 2001 17:06:18 -0700
- To: Mark Jones <jones@research.att.com>
- Cc: xml-dist-app@w3.org
On Mon, Jul 16, 2001 at 03:29:04PM -0400, Mark Jones wrote: > I think of sending the message from the sender's perspective in the > following way: > > 1) The sender knows the basic content to be delivered and any > ancillary sender-specified services. (Delivery paths may > also invisibly provide other "services" en route that are > transparent to the sender.) > > 2) The sender also determines an overall messaging pattern > (fire-and-forget, request-response, etc.) from its > perspective. > > 3) The sender must also construct some delivery plan that is > consistent with 1) and 2). The sender may be hardwired or use > meta-data (obtained via some unspecified mechanism) to determine > this delivery plan. The sender may completely determine the > routing path, protocols, etc., for all hops or its plan may > include the delegation of some of these decisions to routing > intermediaries, but nonetheless it has a delivery plan. (In > particular, the next hop of the plan must be concretely determined > at the sender and each intermediary.) > > An infoset representation of the message at any given point along > the message path includes all of the above information that is still > required for subsequent delivery and processing. This approach, as you say, requires that all information necessary to characterize the message and its path be resident in the infoset. I don't think this is true for all use cases of SOAP, and would view this as an unneccessary contstraint of SOAP. Cheers, -- Mark Nottingham http://www.mnot.net/
Received on Wednesday, 18 July 2001 20:06:19 UTC