It’s just data


FeedMesh is a group working to establish a "peering network" for decentralized web(site|log) update notifications and content distribution.

The initial discussion happened on Sept 10th at Foo Camp. Companies and representatives involved so far are: Scott Johnson (Feedster), Mark Fletcher (Bloglines), Jim Winstead (, Jeremy Zawodny (Yahoo!).

The current plans are to stage the implementation into a series of concrete, tangible steps.

The consensus is that the sharing of weblog update notifications ("pings") would be a good first step. This will have two immediate and tangible benefits for sites that aggressively crawl feeds: reduced bandwidth (by sharing the load) and lower latency (e.g., bloglines can get data in near realtime instead of polling every hour).

A rough sketch of what this would entail is the creation of a single URI for people to ping ( which would be backed by the members of the "peering network" via round robin DNS.  The recipient of a ping would be expected to validate the ping, make a reasonable attempt to normalize the site name to utf-8, and then pass the ping information to all the other members of the peer network.  Instead of separate HTTP requests per ping, it is likely that each member of the peering network will have a socket continuously open with
each of other members across which this information will be sent.

Follow-on steps may include the sharing of content between the peers (possibly using pubsub over XMPP), and ultimately the sharing content with aggregators running on end user desktops.

We have a temporary Yahoo! Group setup to facilitate e-mail discussion after Foo Camp is over.

  Why don't you finish one thing first? It's been over a year and all Atom has added is more fragmentation in the syndication worl1d. Why don't you finish that and make it a success before trying to replace pinging and using HTTP to fetch syndication feeds?

Posted by Dare Obasanjo at

Looks in scope, or at least overlapping with atom-protocol to me. Worth raising on list?

Posted by Danny at

Dare, please stop trolling.  I did not start this.  Jim did.  Jeremy set up the Yahoo group.

I merely found the topic to be interesting, and am participating, for pretty much the reason that Danny is alluding to: overlap with Atom activities.

Danny, I see this as more of something where a liaison relationship between the two activities makes more sense than to seek to house this discussion on atom-protocol.  In fact, I would prefer to not distract attention from the one thing I personally would like to see atom-protocol focus on, namely working towards convergence with the TypePad Atom API.

Posted by Sam Ruby at

this week is the week when we all solve the same problem

jeff barr, of syndic8, is tackling the update-notification distribution problem. (using mod_pubsub.)sam ruby blogged about feedmesh, an idea for handling the sharing of ping notifications among some of the current collectors....

Excerpt from trained monkey at

Anne van Kesteren : FeedMesh - "FeedMesh is a group working to establish a "peering network" for decentralized web(site|log) update notifications and content distribution."...

Excerpt from HotLinks - Level 1 at

Hmm, maybe the central pinging facility could pair up with the work on Ping-O-Matic (by Matt Mullenweg of photomatt fame).

Posted by Manuzhai at

Hey! Can I play too?

I was just talking about something like this with Jim Winstead the other day! My idea was that we should be able to find a way to include into the set of processors that share in Shrook's distributed checking network. Also, back in June at the Atom Community meeting, I proposed to Mark Fletcher from Bloglines that we could share blog update notices. As mentioned recently on the atom-syntax list, we can make available a feed of verified update notices anytime anyone wants it... Note: We only issue a message after we have actually visited the source-feed and found there to be new information...

I would definitely like for us at to work with this effort. How do we get started?

bob wyman


Posted by Bob Wyman at

Manuzhai: as I see it, this would make ping-o-matic's life easier.  Once in place, ping-o-matic could replace the list of servers that are in the "peering network" with a single ping.  Users of ping-o-matic would not have to change anything.

Bob: yes, please!  As is customary in discussions such as these, the person not in the room gets all the action items.  Please join the Yahoo! Group to find out what yours are.  ;-)

Posted by Sam Ruby at

Sam Ruby: FeedMesh


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Sam Ruby: "FeedMesh is a group working to establish a "peering network" for decentralized web(site|log) update notifications and content distribution. The initial discussion happened on Sept 10th at Foo Camp. Companies and representatives involved so far are: Scott Johnson (Feedster), Mark Fletcher (Bloglines), Jim Winstead (, Jeremy Zawodny (Yahoo!)." Sounds interesting, as does the recent work by Jeff Barr on Syndic8. Will need to look into it, and start participating...... [more]

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