[p2p-hackers] Corona

Ryan S. Peterson ryanp at cs.cornell.edu
Thu May 4 02:42:33 UTC 2006

Hi Antoine,

Corona is P2P because of its internal structure: a logical ring of nodes 
that polls websites and RSS feeds cooperatively, detects updates, and 
sends the updates to clients.  You're right that those nodes do not 
include the end users.  However, the end users reap the benefits of 
Corona's P2P internals: hundreds of nodes poll sites in a globally 
optimal manner to get updates to users as fast as possible without 
overloading the network.


Antoine Pitrou wrote:
> Hi,
> Le mercredi 03 mai 2006 à 17:10 -0400, Ryan S. Peterson a écrit :
>>We're writing to announce Corona, a new system that you can use
>>to monitor websites and RSS feeds through instant messages.
>>Corona is a peer-to-peer publish-subscribe system for the web.
> I'm not sure exactly how this is a peer-to-peer system, since there is
> clearly a conceptual (and actual) distinction between clients and
> servers.
> Moreover, end users don't seem to participate in the overlay network at
> all.
> Am I mistaken ?
> Is it "peer-to-peer" in the same way that Akamai is ?
> (apart from that, trying to solve the "RSS is a resource hog" problem is
> a good idea ;-))
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