Distributed Matter - Blog

Hello everyone,

For various reasons, I've decided to move my previous blog to this blog.

I know I haven't written any entry for a long time, but I'm planning to resume this activity. I've migrated the existing entries to this, so please comment on this domain, should you wish to.

Best wishes,

Bruno.

Event notification is something quite often required or at least useful in distributed applications.

After my experiences with WSRF, I tried to design a more "RESTful" approach to notification in our application. I've written a draft of an HTTP-based Notification system and, although I admit this draft is incomplete and could be substantially improved, the main principles I've described there work in our application.

In short, it mimics the SMTP protocol at the application level and models mailboxes and messages as ...continue reading

I'm having a look at the WS-Notification (WS-BaseNotification 1.3 OASIS Standard). I usually find reading some of these specs laborious (and little rewarding), but I'm trying to put some good will towards Web Services (in the WS-* specifications sense). However, shortly after beginning, I found a few caveats that would probably make it difficult for all compliant implementations to interoperate.

Here is an excerpt of the introduction to Section 3 (the NotificationConsumer interface):