Message-Queue-diagram.excalidraw
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Message Queue — Producer-Broker-Consumer Topology
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Producer 1 ^prod1 Producer 2 ^prod2 Kafka / RabbitMQ ^brokerLabel Topic-A ^topicA Topic-B ^topicB Consumer Group A ^cgA Consumer Group B ^cgB Consumer 1 ^cons1 Consumer 2 ^cons2 Consumer 3 ^cons3 ACK ^ack1 ACK ^ack2 Dead Letter Queue ^dlq Failed messages ^failedMsg At-least-once: ACK after process ^delivery1 At-most-once: ACK before process ^delivery2 Exactly-once: idempotent consumer ^delivery3 Partition-level ordering; no global order across partitions ^ordering
Excalidraw Data
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Producer 1 ^heYfDbVW
Producer 2 ^DC9T3eLm
Kafka / RabbitMQ ^RmasxS83
Topic-A ^SzaeKYaN
Topic-B ^EgvCA4mA
Consumer Group A ^4xhMSjET
Cons 1 ^38jIofdR
Cons 2 ^uyPlKiBr
Consumer Group B ^pgT0pSZ0
Cons 3 ^UpavfTjM
Dead Letter Queue ^dlq-text
At-least-once: ACK after process | At-most-once: ACK before process | Exactly-once: idempotent consumer Partition-level ordering; no global order across partitions ^iNC9UcQm
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