What caching you should use if object caching is primary goal?
Memcached
Simple caching model as possible?
Memcached
What caching you should use to run large scale nodes, multi threaded performance with multi cores?
Memcached
What caching you should use to scale horizontally?
Memcached
What caching you should use to store advance data types such as lists, hash and sets?
Redis
What caching you should use for leader boards, rankings?
Redis
What caching you should use if persistence is the goal?
Redis
What caching you should use to sustain fail over or to run in multi AZs?
Redis
What caching you should use if the model is Pub-Sub?
Redis