Thanks for the info Guys.
On 28 May 2010 22:18, Pádraic Brady <[email protected]> wrote: > Google doesn't receive instant updates from BBC - it just retrieves the > feed every few minutes. There's a difference between frequent polling and > real-time updates. The first can be done with any platform - just use a GET > request. The second requires active pings from a Publisher so a Hub can > notify Subscribers. What you're describing is subtly different, that BBC > feeds are updated after Google is notified? This could be a simple case of > highly focused optimisation - allow Google access to fresh feed generation > (filter by Google's domain) while the general public get a cached feed > updated every 10-15 minutes. Would be simple to architect and ensures Google > always get the fresh content ASAP for indexing. > > The only proactive instant update mechanisms getting wider usage are > Pubsubhubbub and RSS Cloud. BBC implement neither at the moment, so you are > stuck with polling for now, or using an offsite service (e.g. Superfeedr) > which does 10 minute polling and updates via PuSH. > > Paddy > > Pádraic Brady > > http://blog.astrumfutura.com > http://www.survivethedeepend.com > OpenID Europe Foundation Irish Representative<http://www.openideurope.eu/> > > > ------------------------------ > *From:* Daniel Latter <[email protected]> > *To:* Bradley Holt <[email protected]> > *Cc:* Zend Framework General <[email protected]> > *Sent:* Fri, May 28, 2010 12:47:12 PM > *Subject:* Re: [fw-general] Feeds > > Maybe I am misunderstanding but how can I use PuSH for a BBC feed if they > don't support it? because doesn't a publisher ping the hub to notify of an > update? > > So saying that, I am wondering how Google Reader gets instant updates from > a BBC feed? > > On 28 May 2010 01:21, Bradley Holt <[email protected]> wrote: > >> On Thu, May 27, 2010 at 7:42 PM, Daniel Latter <[email protected]>wrote: >> >>> Hi all, >>> >>> I'm processing feeds with Zend_Feed and I am wondering how to get instant >>> feed updates like Google reader? >>> >>> For example, I consume a feed from bbc.co.uk and get a pubDate for each >>> item, but if I look in Google reader at same feed I can see that it has >>> been/gets updated almost instantly with new items? But the propoagtion to >>> the feed takes much longer? >>> >>> Now I know about the pubsubhubbub class that ZF provides that enables >>> "real time web" but that is still relatively new. >>> >>> >> Why is its "newness" a reason not to use it? >> >> >>> So I guess my question is how can I architect real time feed updates like >>> Google Reader.? >>> >>> >> I'd just use PubSubHubbub and not reinvent the wheel :-) >> >> >>> Thanks >>> Dan >> >> >> >
