Each member needs a connection to a quorum. The quorum is ceiling((N+1) /
2) members of the cluster.
This guarantees that network partition does not allow two leaders to go on
stamping out revisions independent of each other.
On Fri, Jul 24, 2009 at 4:23 PM, Todd Greenwood
> Ted, could you elaborate a bit more on this? I was under the (mis)
> impression that each ZK server in an ensemble only needed connectivity
> to another member in the ensemble, not to each member in the ensemble.
> It sounds like you are saying the latter is true.
Ted Dunning, CTO