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Subject: RE: Issue 132 - DPWS - How to define base url for presentation urlin metadata


This is a good point—I have received questions about relative PresentationUrls often in the past.

 

The DEVICE may have multiple transport addresses, and I suppose it’s possible that the URL could vary across these.† Maybe the right statement is to say that it’s relative to the transport address over which the metadata was retrieved?

 

dpws:ThisModel/ dpws:PresentationUrl

URL to a presentation resource for this DEVICE. It MAY be relative to a base URL the HTTP transport address over which metadata was retrieved, and MUST have fewer than MAX_URI_SIZE octets.† If PresentationUrl is specified, the DEVICE MAY provide the resource in multiple formats, but MUST at least provide an HTML page.† CLIENTs and DEVICEs MAY use HTTP content negotiation [HTTP/1.1] to determine the format and content of the presentation resource.

 

Would this be an acceptable solution?

 

Thanks

--D

 

From: Ram Jeyaraman [mailto:Ram.Jeyaraman@microsoft.com]
Sent: Tuesday, December 16, 2008 8:29 AM
To: ws-dd@lists.oasis-open.org
Subject: [ws-dd] Issue 132 - DPWS - How to define base url for presentation url in metadata

 

This issue is assigned the number 132. For further discussions on this issue, please refer to this issue number or use this thread.

 

From: Elmar Zeeb [mailto:elmar.zeeb@uni-rostock.de]
Sent: Monday, December 15, 2008 3:25 PM
To: Ram Jeyaraman
Subject: New Issue for DPWS

 

Description: How to define base url for presentation url in metadata
Document: wsdd-dpws-1.1-spec-wd-02
Line number: 361-362

360 wsdp:ThisModel/ wsdp:PresentationUrl
361    URL to an HTML page for this DEVICE. It MAY be relative to a base URL and MUST have fewer
362    than MAX_URI_SIZE octets.

The specification doesn't state how the base URL can be defined.

Proposed solution: The base URL is defined by the transport address of the DEVICE.


--  
*******************************************************************************
  Dipl.-Inf. Elmar Zeeb
  Universitšt Rostock, Fakultšt f. Informatik und Elektrotechnik
  Institut f. Angewandte Mikroelektronik und Datentechnik
  University of Rostock, Faculty of CS and EE
  Institute of Applied Microelectronics and Computer Engineering,
  18051 Rostock
  Deutschland/Germany
  Tel. : ++49 (0)381 498 - 7262
  Fax  : ++49 (0)381 498 - 7252
  Email: elmar.zeeb@uni-rostock.de
  www  : http://www.imd.uni-rostock.de/, http://www.ws4d.org/
*******************************************************************************



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