client servers
c1 () \ ------------ () A
c2 () - | load | -- server () B
c3 () - | balancer | -- selection () C
c5 () / ------------ strategy () D
Server selection strategy
- round robin
- random
- consistent hashing
- rendezvous hashing
Things to consider:
- When you add a new server. What happens?
Ring of possible hashes are
broken up and assigned to specific
nodes. When a new node is added, keys
need to be re-balanced.
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