• AMQP protocol on port 5671 (ASB uses AMQP 1.0, not 0-9-1)
- Queue + Topic/Subscription modes
- DeadLetterQueue support (already modeled in existing fault system)
- MessagePublished, MessageDelivered, MessageAcked, MessageDeadLettered events
- Config: queueName/topicName, subscriptionName, lockDurationSeconds
- Why: Large segment of .NET developers use Azure; filling the AWS/Azure parity gap