Jeff

On Sun, Feb 27, 2011 at 8:05 PM, Alexis Richardson <[email protected]> wrote:
> Jeff
>
> On Sun, Feb 27, 2011 at 12:44 PM, Jeff Lindsay <[email protected]> wrote:
>>> The objection to this boils down to the difficulty of setting up the
>>> publisher-hub relationship, compared to everything that you get for
>>> free with feeds.
>>
>> I'd like to start thinking about this again ... any pointers to
>> previous discussions on this?
>
> IIRC these discussions were in Aug/Sep 2009.

Various examples here:
http://groups.google.com/group/pubsubhubbub/search?group=pubsubhubbub&q=symmetric&qt_g=Search+this+group

alexis




>
>
>> It's also worth noting that dropping federation and considering in
>> practice most people implement their own hubs as providers, this
>> drastically simplifies the model. You lose the need for publisher-hub
>> relationship, you better match people's models of how it should work,
>> etc.
>
> By federation I really mean chaining, whereby the same protocol ("-->") 
> enables:
>
> P --> H --> H --> ... --> H --> S
>
> So, yes.  You could also have P --> S.
>
> alexis
>
>
>> I think previously the assumption that publisher would not want to run
>> a hub because they have feeds might need to be revisited with new data
>> suggesting people interested in webhooks/event APIs are willing to run
>> software that would handle the responsibilities of the hub.
>>
>> Perhaps what comes out of this is something much less grand as the
>> original vision for PSHB (federated hubs, etc), but something much
>> more practical and simple (as another spec or what, I don't know).
>>
>> -jeff
>>
>>>
>>>
>>>
>>>
>>>
>>> On Sun, Feb 27, 2011 at 9:28 AM, Daniel Chapman <[email protected]> 
>>> wrote:
>>>>>  Either way, there are common issues that overlap.
>>>>
>>>> Absolutely. Which is why I suggested that PSHB define "new push project X"
>>>> as the mechanism by which it transports feeds.
>>>> The main downside to that though, is that there wouldn't be a lot left to
>>>> talk about with Atom and the Push in separate projects. PSHB would just
>>>> become "Push project X" + "Atom Feeds".
>>>> My main concern with generalizing PSHB is that then you can't rely on a
>>>> rel=hub link to be a real feed hub. PSHB + Atom is a bit confusing to put 
>>>> on
>>>> a link on your site don't you think?
>>>> But if we started with a new spec for the push, then the expectation right
>>>> from the start is that new PPX endpoints and pushes are arbitrary and not
>>>> for blind consumption.
>>>> It just feels like that expanding the spec to include anything, takes the
>>>> currently nice trustable rel=hub links and makes them suddenly uncertain. I
>>>> am not sure that is a good thing.
>>>> A PSHB -Atom +JSON (or +whatever) appendix is possible, but just seems a 
>>>> bit
>>>> messy.
>>>
>>
>>
>>
>> --
>> Jeff Lindsay
>> http://progrium.com
>>
>

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