>> Bank IT is dreadful. At every bank I have worked at it's the same. They
>> don't want to change something that works because the systems are so interconnected a small
>> change in one system can have significant impacts down the line.
At the heart of most of the big banks is an IBM mainframe, with lumps of software in it 30 or 40 years old. Because it just kept humming away, never going wrong (or if it did, fixing itself)* they sacked all those people who knew the internals.
Now they just tack bits on, and its those bits that cock up. TSB thought they could dump the mainframe and move the system onto a new platform. They got burned, big time.
*Mind you it did once for RBOS. They thought they get some numpty in india to fiddle with it, he did, it crashed and they had no skills to fix or recover it.
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