The easy provision of white-label hubs will, of course, lead to the creation
of many more hubs than might otherwise have existed... This is probably a
good thing. But, there are issues...

It is interesting, I think, to contemplate what the result would be if
*every* blog and feed ended up having its own hub. I don't suggest this
mental experiment because I think that we should seek to achieve such a
state of affairs, but rather because exploring the "extremes" is always a
good way to find issues with specification...

Clearly, if every feed was its own hub, we would see a need to build "hubs
of hubs" in order to simplify the tasks of managing subscriptions,
controlling message sending patterns, achieving efficiencies through
minimization of connections, aggregation of notifications, etc. But, it
seems that doing that given the PSHB spec as it stands would not be easy.
The problem is that hub discovery depends on data which is published in the
feed itself and there exists only one class of hubs in the current spec. You
can't, for example, distinguish between a hub and a "hub of hubs"... Also,
even if a "single feed hub" were aggregated by one or more hub of hubs, it
is questionable whether the feed author would know about any of the hubs of
hubs and thus be able to mention them in the feed.

I think there are issues here that need to be resolved...

bob wyman

On Thu, Oct 15, 2009 at 12:10 PM, Julien Genestoux <
[email protected]> wrote:

> Hi,
> We just introduced what we call "white-label hubs" at superfeedr :
> http://blog.superfeedr.com/API/publishers/pubsubhubbub/white-label-hubs/
>
> In a nutshell : your service can give us access to his stream/firehose and
> we'll turn that into a PubSubHubbub hub in snap!
>
> Examples :
> - A wordpress.com PubSubHubbub : http://wordpress.superfeedr.com/
> - An Identi.ca PubSubHubbub : http://identica.superfeedr.com/
>
> Let me know what you guys think!
>
> Ju
>
> PS: if you're at RWW's realtime event, come and chat : I am @julien51, the
> tall french guy wearing a yellow shirt, who looks a little bit tired (guess
> why!)
>
> --
> Julien Genestoux,
>
> http://twitter.com/julien51
> http://superfeedr.com
>
> +1 (415) 254 7340
> +33 (0)9 70 44 76 29
>

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