EIP Interview Questions

EIP Name	EIP Description	Use Case
Pipes and Filter	Use the Pipes and Filters architectural style to divide a larger processing task into a sequence of smaller, independent processing steps (Filters) that are connected by channels (Pipes).	Pipes and Filter
Router	Consume the message from one channel and forward to another message channel based on the condition
Content Based Router	Consume the message from one channel and examine the message content , based on the data/type  need to route to different channel .Basically routing based on the content	We received the Customer data which inclues the Post Paid /PrePaid based on the data it will redirect to either Postpaid channel or Prepaid Channel
Message Filter	Its specical kind of router to eliminate the undesired messages based on the certain creteria	We need to publish the Promotion for certain customer like we have two kind of customer Public customer and Enterpriase Customer , We need to send the Promotion notification to Enterprise level customer with some promotion code .Here we are using Message Filter
Receiptent List	Consume the message and forward the message to channel based on the receipents list
Spilitter	Consume the composite message and spilit into series of separate message and pass to the channel	We consume the purchase order from customer which contains the data for several system like VAS/Mobile/Date and etc , splitter will split the message into indidual message and send to respective channel or system
Aggregator	Consume the complete set of related message and collect /aggregate and send to the channel	We received the different induval mobile purchase order and combine /collect then send to respective channel for further processing
Message Broker	Receive the message from multiple channel and route to correct designation channel	Customer life cycle notification
Message Translator	Translate the message from one format to another formate
Content Enricher	Special kind of translator , we need enhance the missing data before route to the final channel	We have legacy System as front chnnel and trying to get the data from new BCC application. But data format between two systems are different . We have the data transformation enhanced the missing data in the request before route to designation channel
Content Filter	Remove the unused data from message and route to the respective channel
Cannonical Data Model	Its data model independent to any application , each application to produce/consume in this format	PIM/CDM
Event Driven Consumere		Publish the customer notification
P2P Channel	Send the message to P2P to ensure that only one receiver successfully received the message	Order to payment
Publish and Subscribe	One input send to multiple output channel , each out put received only one time
Dead Letter Channel	Failed message route to dead letter channel	Message route to dead letter queue due to time out /failure/expire and etc ie not successfully process the data then it will redirect to dead letter channel . Another queue will pick the message then process it
WireTap	Consume and receive message route through this channel , mainly used to testing/trouble shooting	Message from all core service will be tracked
Message Bus	Acting as middleware between the two system
Message Gateway	Encapulate the message specific code ie client not able to access the message instead it can access through Gateway
Detour	Perform the additional steps for incoming message and controlled by the control Bus	Verify abd validation