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Subject: RE: [wsrp] [wsia] [wsrp-wsia joint interfaces] agenda for Tuesday	11June




From: Carsten Leue <cleue@de.ibm.com>
To: Eilon Reshef <eilon.reshef@webcollage.com>
Date: Wed, 12 Jun 2002 12:57:34 +0200







I think that this is a very good scenario where transient entities make
sense.


Best regards
Carsten Leue

-------
Dr. Carsten Leue
Dept.8288, IBM Laboratory B�blingen , Germany
Tel.: +49-7031-16-4603, Fax: +49-7031-16-4401



|---------+----------------------------->
|         |           Eilon Reshef      |
|         |           <eilon.reshef@webc|
|         |           ollage.com>       |
|         |                             |
|         |           06/11/2002 08:35  |
|         |           PM                |
|         |           Please respond to |
|         |           Eilon Reshef      |
|         |                             |
|---------+----------------------------->
  >---------------------------------------------------------------------------------------------------------------------------------------------|
  |                                                                                                                                             |
  |       To:       "'Alan Kropp'" <akropp@epicentric.com>, wsia@lists.oasis-open.org, wsrp@lists.oasis-open.org                                |
  |       cc:                                                                                                                                   |
  |       Subject:  RE: [wsrp] [wsia] [wsrp-wsia joint interfaces] agenda for Tuesday       11 June                                             |
  |                                                                                                                                             |
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  >---------------------------------------------------------------------------------------------------------------------------------------------|



Alan,

I think that one example scenario is a search results page, say for hotels,
that dynamically displays multiple maps - a map for each hotel found.

Assuming that maps are remote services, and assuming that the number of
results is dynamic, the Consumer needs to create multiple copies of the map
service. If we allow the Producer to determine the persistence state of
those maps, that would mean that someone will have to take care of the
lifetime of those maps. The Consumer can't, because the page may be gone
without the Consumer never knowing about it (the user closes the browser
window). The Producer can't, because it can't tell whether the Consumer has
stored a reference to those maps as part of a design-time description of a
user page.

Is that along the lines of what you were looking for?

Eilon