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Context and problem
We need to make different small services to work together in order to process a business transaction end-to-end, reducing point-to-point communication between the services.Solution
Choreography pattern allows a transaction to be executed in parallel steps and/or in sequences.
Features : Execution is sequenced by orders and/or events; each step of choreography becomes a consumable command/event; each process is responsible for subscribing to the required topic; coordination is decentralized.
Challenges