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From Miles Fidelman <mfidel...@meetinghouse.net>
Subject Re: massive replication?
Date Mon, 26 Oct 2009 14:45:36 GMT
Chris Anderson wrote:
>
> If you do a hub-and-spoke or ring topology you can simplify the
> replication problem a bit. But a gossip protocol is more resistant to
> down nodes. I'd like to see a replication bus in the open source
> project.
>
> However, continuous replication will pretty much work.
>   
The environment we're looking at is more of a mesh where connectivity is 
coming up and down - think mobile ad hoc networks.

I like the idea of a replication bus, perhaps using something like 
spread (http://www.spread.org/) or spines (www.spines.org) as a 
multi-cast fabric.

I'm thinking something like continuous replication - but where the 
updates are pushed to a multi-cast port rather than to a specific node, 
with each node subscribing to update feeds.

Anybody have any thoughts on how that would play with the current 
replication and conflict resolution schemes?

Miles Fidelman


-- 
In theory, there is no difference between theory and practice.
In practice, there is.   .... Yogi Berra



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