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RE: WebDAV Invalidation (Was Re: Allow: header and supported methods)

From: (wrong st <joshrcohen@hotmail.com>
Date: Fri, 07 Sep 2001 05:04:43 -0700
To: jamsden@us.ibm.com, w3c-dist-auth@w3c.org, ietf-dav-versioning@w3.org
Message-ID: <LAW2-F1236g5dwDAxwE00012d10@hotmail.com>
I think thats a good idea to have a BOF.
What Id like to see most importantly is a
focused, and narrow scope.  In my mind,
this is a mechanism for subscribing to
and receiving specific change events on
web resources, within the existing web
infrastructure that integrates with DAV.


---
Josh



>From: "Jim Amsden" <jamsden@us.ibm.com>
>To: w3c-dist-auth@w3c.org, ietf-dav-versioning@w3.org
>Subject: RE: WebDAV Invalidation (Was Re: Allow: header and supported 
>methods)
>Date: Thu, 6 Sep 2001 20:40:25 -0400
>
>I'll schedule a BOF at the next IETF meeting. If there's enough interest,
>we can create a proposed charter and petition the area directors for a new
>working group.
>
>
>
>
>
>
>"Lisa Dusseault" <lisa@xythos.com>
>Sent by: ietf-dav-versioning-request@w3.org
>09/06/2001 06:21 PM
>
>
>         To:     =?iso-8859-1?Q?J=F6sh_Cohen?= <joshrcohen@hotmail.com>,
><deltav@wegalink.de>, <ietf-dav-versioning@w3.org>
>         cc:     "Webdav WG" <w3c-dist-auth@w3c.org>
>         Subject:        RE: WebDAV Invalidation (Was Re: Allow: header and 
>supported methods)
>
>
>
>I'd definitely be interested in working on notifications.  We'd like
>clients
>to be able to know about events like the ones you suggest, plus:
>  - new resource in collection I'm subscribed to
>  - Access control change in resource I'm subscribed to
>  - New version in VCR (similar to your update/last-modified event, perhaps
>equivalent)
>
>How do we proceed?
>
>lisa
>
> > -----Original Message-----
> > From: ietf-dav-versioning-request@w3.org
> > [mailto:ietf-dav-versioning-request@w3.org]On Behalf Of Jösh Cohen
> > Sent: Wednesday, August 29, 2001 12:26 PM
> > To: deltav@wegalink.de; ietf-dav-versioning@w3.org
> > Subject: Re: WebDAV Invalidation (Was Re: Allow: header and supported
> > methods)
> >
> >
> > While Im nervous about trying to boil the ocean
> > in the form of a 'general notifications protocol', Im
> > wondering what people think about including the ability
> > to subscribe to events on resources?
> > By this I mean, in short, being able to subscribe
> > to a resource, such that when things happen to it,
> > such as:
> > o  property change
> > o  update (last modified)
> > o  invalidate
> > o  lock expiration / lock override
> > o  deleted
> >
> > a subscribed entity would receive a notification.
> >
> > There's been some relevant work here in the form of
> > an HTTP extension (SUBSCRIBE/NOTIFY methods) in the past
> > to deal with some of these issues.  It was work that
> > was previously done in the context of using HTTP for IM
> > and it quite similar to the SIP subscription extensions.
> >
> > Does this sound at all like something the group
> > would be interested in taking a closer look at ?
> >
> > thanks,
> >
> > ---
> > Josh
> >
> >
> >
> > >From: "Eckhard Kantz" <deltav@wegalink.de>
> > >To: <ietf-dav-versioning@w3.org>
> > >Subject: Re: WebDAV Invalidation (Was Re: Allow: header and supported
> > >methods)
> > >Date: Wed, 22 Aug 2001 21:40:39 +0200
> > >
> > >The protocol described in the ESI document allows to invalidate
> > documents
> > >that have been downloaded
> > >to a local machine by applying a push technology. This could
> > solve already
> > >several conflict
> > >situations or even partly prevent problems.
> > >
> > >On the other hand there seems to be an increasing need for more
> > >fine-grained notification services
> > >that extend the traditional access control systems. Picture 1 in the
> > >following longer article tries
> > >to classify them:
> > >
> > >"Beyond 'Yes or No' - Extending Access Control in Groupware with
> > >Negotiation and Awareness"
> > >(http://www.informatik.uni-bonn.de/~os/Publications/COOP98a.ps)
> > >
> > >Maybe those needs are also worth discussing if they could be
> > supported in
> > >the spec in order to allow
> > >applications to build up on them. The invalidation protocol
> > seems to be a
> > >good basis also for this.
> > >
> > >Eckhard
> > >
> > >
> > >-----Ursprüngliche Nachricht-----
> > >Von: Eric Sedlar
> > >An: ietf-dav-versioning@w3.org
> > >Gesendet: Dienstag, 21. August 2001 19:00
> > >Betreff: WebDAV Invalidation (Was Re: Allow: header and
> > supported methods)
> > >
> > >
> > >Check out
> > >http://www.esi.org/invalidation_protocol_1-0.html for some work
> > that looks
> > >pretty similar
> > >to what we are talking about.
> > >
> > >--Eric
> > >
> >
> >
> > _________________________________________________________________
> > Get your FREE download of MSN Explorer at
>http://explorer.msn.com/intl.asp
>
>
>
>


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Received on Friday, 7 September 2001 08:05:14 GMT

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