Re: [ws-dd] Issue 025 - DPWS - Add a description language for relatingdevice types and service types

[Antoine Mensch <antoine.mensch@odonata.fr>]

Additional info:
Impact: Spec extension, no implementation change
Urgency: Low
Priority: Medium


Ram Jeyaraman a écrit :
> This issue is assigned the number 025. For further discussions on this issue, please refer to this issue number or use this thread.
>
> -----Original Message-----
> From: Antoine Mensch [mailto:antoine.mensch@odonata.fr]
> Sent: Tuesday, September 16, 2008 4:35 PM
> To: Ram Jeyaraman
> Subject: NEW Issue - Add a description language for relating device types and service types
>
> Please defer discussions on this issue until a time this issue is
> accepted and is assigned a number.
>
> Document: DPWS
> Location (defaults to line number): Global
> Owner: Antoine Mensch
>
> Description:
> DPWS is lacking a description mechanism and language to describe the
> relationship between a device type and the hosted services hosted by a
> device implementing this type. For instance, a printer conformant to a
> standardized printer type should always expose the same set of mandatory
> hosted services, plus maybe a set of standard and non-standard optional
> hosted services. There is no standard language (similar in purpose to
> the abstract part of WSDL) to describe this relationship. WSDL itself
> does not seem applicable to a device. Today, the solution is to rely on
> out-of-band information to establish the link between an interface
> exposed by a hosted service (e.g. a PrintService interface/port type)
> and the device type that must be used in the Probe request to retrieve
> the appropriate device hosting the hosted service.
>
> Proposed resolution:
> To be defined if the principle is accepted
>
>
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