Simplify join protocol #25
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Instead of a two-phase protocol, joins are now happening in one phase where the seed node broadcasts K alerts (one for each observer). This should drastically reduce the amount of messages exchanged in the cluster when a large number of nodes join.
Clients cannot join through two separate seeds at the same time
In the rare case that a node attempts to join at the exact same time that a view change is in progress, it is now told to retry
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@lalithsuresh here's a new pull request (I did a wrong manipulation to the other one).
It should address all of your comments