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The commercial entities associated with the most popular open source technologies are taking measures to protect themselves from Amazon simply taking their software and turning it into a service, whether it's introducing proprietary components or new licensing. Wouldn't be surprised if we saw AWS do something similar for Redis, MongoDB, Kafka, etc.

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> Wouldn't be surprised if we saw AWS do something similar for Redis, MongoDB, Kafka, etc.

They started on their own Redis fork a while ago as ElastiCache has had baked in SSL for over a year and half now. While it's possible they've added it via an stunnel type software stop it, I'd bet for efficiency and simplicity it's baked into their internal fork: https://aws.amazon.com/blogs/security/amazon-elasticache-now...

[update - re redis ssl] pretty sure thats what this upstream pull request to redis is https://github.com/antirez/redis/pull/4855

They already did their MongoDB-compatible NoSQL document database. Not sure what's under the hood but I assume an altered MongoDB engine adapted to their scalable cloud storage architecture.

https://aws.amazon.com/documentdb/

It’s believed to be the same storage engine as their relational data offerings, aurora.

Its an emulation of MongoDB and not a very good one at that.

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