In the end that approach to very high scale and reliability was a dead end. It’s much better and cheaper to solve these problems in software using cheap computers and fast networks.
The e10k didn't have applications like that. Just about everything you could do on it could be made to work on commodity x86 with Linux (after some years, for 64-bit).
How many other platforms will run IMS?
https://www.oracle.com/middleware/technologies/tuxedo.html
It came from AT&T, via BEA.