Thanks for the comments, see 3.3.4
3.3.4. Storage and replication 

   The Notifier MUST store the subscription state as part of resource 
   data object and enforce the same replication strategy. In case a node 
   fails, the other node where the replica stored can process any 
   request towards the replicated resource. 

Thanks
 





lichun li <[email protected]> 
2009-03-03 20:38

收件人
[email protected]
抄送
"[email protected]" <[email protected]>
主题
Re: [P2PSIP] New Version Notification for 
draft-wang-p2psip-event-notification-extension-00






I think subscribe/notify mechnism is very neccesary and can also be used
to inform other events other than data modification.

Have consider notifier migration? At a glance, I don't find notifier
migration in the draft.
If the orignal notifier leaves or fails, another peer should become
new notifier immediately.
Otherwise, the subscriber may not get the latest data for a while.

On Tue, Mar 3, 2009 at 4:05 PM,  <[email protected]> wrote:
>
> Hi,folks
>     I have wrote a draft regarding p2psip event notification extension. 
I
> think it can meet the requirements of real time data access scenario.
>
>     Hope for your comments.
>
> IETF I-D Submission Tool <[email protected]>
>
> 2009-03-02 19:40
>
> 收件人
> [email protected]
> 抄送
> [email protected]
> 主题
> New Version Notification for
>  draft-wang-p2psip-event-notification-extension-00
>
>
>
>
>
> A new version of I-D, 
draft-wang-p2psip-event-notification-extension-00.txt
> has been successfuly submitted by Jun Wang and posted to the IETF
> repository.
>
> Filename: draft-wang-p2psip-event-notification-extension
> Revision:                  00
> Title:                                   P2PSIP Event Notification 
Extension
> Creation_date:                  2009-03-02
> WG ID:                                   Independent Submission
> Number_of_pages: 20
>
> Abstract:
> The p2p technology is data centric, where the data objects are
> distributed in the p2p overlay according to the routing algorithm.
> Applications access the data objects via peer/client protocol or
> gateways, and some of them require data replicas to be synchronized
> in real time, such as a data object stored in overlay and its cache
> copy in client memory. This can be achieved by introducing an event
> notification extension to p2p protocol. This document describes the
> subscribe/notify mechanism for p2psip and define several new methods
> to implement such extension.
>
>
>
>
> The IETF Secretariat.
>
>
>
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-- 
Sincerely yours,

Lichun Li
Mobile Life New Media Lab, BUPT




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