Investigate Publish/Subscribe over Polling

[SpencerWBarnes]

Current method is polling in which each piece requests an update after x amount of time.
Polling

Pros	Cons
Simple	Unnecessary requests/duplicates
Already works	Possibly delayed information
No additional tracking/processes	May not be scalable

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Publish/Subscribe system means each piece can request to be notified when certain information changes.
Publish/Subscribe

Pros	Cons
Minimum number of calls	Requires tracking pubs and subs
Scalable to topics	Might take more memory
Fastest informer	May not work
Might use Redis	More complex