Hey Justin, I don't see any reason why that wouldn't work. However, your "hub" will still need to know when the feed has been updated to push the updates to the subscribers.
Cheers, On Thu, Apr 28, 2011 at 4:45 AM, Justin Karneges <[email protected]>wrote: > Hi folks, > > We would like to offer push callbacks to our feeds without the notion > of a separately addressable hub. So, for example, if we have an Atom > feed here: > > http://example.com/feed/ > > Then, one could subscribe to updates using the following: > > POST http://example.com/feed/ > params: > hub.callback={callback_url} > hub.mode=subscribe > hub.topic=http://example.com/feed/ > hub.verify=async > > Of course, the topic URL must always be the feed itself. The "hub" > would never crawl out to some external feed, nor would publishers > necessarily need to notify the "hub" of changes, since the feed and > hub are one. > > Is there an example of this approach in the wild? Is this approach > discouraged in any way? > > Thanks, > Justin
