I offer some features that they have partially or don't have at all (such as priority queues and label filtering). The reason I raised this question is that I h

I offer some features that they have partially or don't have at all (such as priority queues and label filtering). The reason I raised this question is that I hope to reuse their protocol layers to reduce the burden on people during the migration process. I believe others with similar motivations exist as well (including cloud providers offering Kafka/RabbitMQ, whose internal implementations are not necessarily Kafka/RabbitMQ).