IBM IMS DB Everything is direct memory access. SNA protocol, No TCP. This is use... | Hacker News

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amitport on April 11, 2023 | parent | context | favorite | on: The end of a myth: Distributed transactions can sc...

IBM IMS DB

Everything is direct memory access.

SNA protocol, No TCP. This is used since the 70s by many banks to process high volume transactions

exabrial on April 11, 2023 | [–]

Everything old is new again. The MongoDB people are still convinced they "invented" NoSQL databases, but really just poorly implemented an idea that https://en.wikipedia.org/wiki/ADABAS had perfected while the MongoDB hipsters were in diapers.

throwawayForMe2 on April 11, 2023 | [–]

Parallel Sysplex with 32 mainframes in a cluster.

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