Apache Storm and Kafka in real time Scenarios...Hadoop Eco System

we need to come to know all the terminology here

Topology -- combination of spouts and bolts 

Spouts -- reduce programs same like job tracker process

Nimbus -- daemon which runs in as master like name node 

Bolt --  Map program like task tracker 

Zookeeper -- mediator between all the configurations nimbus and spouts..
Redis -- Key value stores 

for doing the practical programs you need to know the all the related jars and requires some environments 

in..progress...