One of their competitors, Dresdner Bank, did something similar in 2001 when the open sourced their messaging middleware code as Openadapter. https://github.com/

One of their competitors, Dresdner Bank, did something similar in 2001 when the open sourced their messaging middleware code as Openadapter. https://github.com/openadaptor/openadaptor https://github.com/openadaptor/openadaptor It's pretty good and I actually used it at a commodity trader, but this kind of integration is pretty niche and while Openadapter is still around it never caught on in a big way. I expect that this will be similar - hardly anybody else will have the same mix of systems to connect to and it's unlikely to have a very big impact.