re:newer question

   >    Wang,
>
> [Wang]
> ... 1.When one use put an object to the server,how to let the other users
> know the changes immediately?For example,when
> ... one create a image,the other uesrs' screen should also show the 
image.As
> I know,http does not support the push now.So,how to do that?
>
>    [SKREDDY}
>
>     Approach we used in implementing CSCW on web is through workflow
> agent/notification mailers. We haven't choosen
>     broadcast approach as it will have a significant impact on the 
bandwidth
> in a large scale CSCW implementation. What this
>    mailer does is if any new resource is added or property is changed it
> will route that information to the parties subscribed
>    for that resource through an email message and as email viewer is
> intergatred with workflow viewer it can trigger a refresh
>    event to get an updated view of resources. If you are authoring WEBDAV
> protocol document and if there are updates done to it
>    and using this mailer notification you are notified about the change. 
How
> does client gets this information depends how critical is this
>    information to the client. I donot see a need for client having a open
> pipe with the server to see if there are any
>    resources added. Client can do a refresh operation to get an updated 
view.
>
>   [Wang]
> ... 2.I have read the WebDAV protocol-06 document,I think it is mainly 
based
> on html editor.I think using html has many shortcoming.
> ... Using HTML,when changed a litter,the whole web frame will be
> refreshed,it caused not only slow,but also incovenient.
> ... And,the interface isnot easy to use.Comparing to the windows
> application,it does not support menu,popupmenu,and many things.
> ... I think it is really hard to make the user satisfatied. well,we can 
also
> use the Java and the Activex technology,and I think using
> ... Java is more efficient then using HTML. What do you think of these
> technologies in WebDAV fields?
>
>   [SKREDDY]
>
>    Adding WEBDAV extensions to HTTP provides more powerful documet 
authoring
> and repository functionality. Creating views on
>    this repository is upto the implementors. If I am using WEBDAV 
protocol
> to provide an Information Navigator tools in a large
>     corporation may be  we can implement that in Java or if you want to
> leverage on available WEBDAV authoring tools to publish
>     information. WEBDAV doesnot mandate to have a open channel with the
> server to author a document. When you choose to publish a
>     document, then only it connects to the server. I donot see any
> performance impact on the clinet because of the WEBDAV
>    protocol. You can definitely implement a more powerful document
> management applications using WEBDAV protocol.
>

   Regards,
   -Surendra

  ------------------------------------------------------ 	
Surendra K Reddy         Tel.   +1(650) 506-5441 
                         Fax.   +1(650) 506-7421
                         Email.	skreddy@us.oracle.com
"It is unwise to be too sure of one's own wisdom. It is healthy to be
reminded
 that the strongest might weaken and the wisest might err."  

  
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