Instances auto-discovery (multicast)

[joamag]

Description

By using multicast UDP it would be possible to discover other services with the same INSTANCE values and start communicating with them for certain puposes.

Election system to determine the one that is considered the master.

For instance it should be possible to discover a configuration server that way, or for Ripe discover the proper composer instance in the current network and auto-configure it.

References

https://docs.mongodb.com/manual/core/replica-set-elections/