Does COBOL handle 95% of all Creditcard-Swipes?
Quo Vadis, IBM?
One of the main arguments for the relevance of COBOL is that it handled „95% of all Creditcard-Swipes“ or „95% of all In-Person Transactions“ or „95% of all ATM Swipes“. This number, like many other numbers, comes from the Gartner survey in 1997. So this number, again, only says that 95%1. of mainframe owners2. who […]
How many CICS transactions are there per day?
Over the last two years, IBM has made a few… interesting… choices. Choices that seem… untypical… for them.
In my last article I have investigated whether there are 30 billion COBOL transactions per day and I have concluded that this claim is baseless. So now I want to discuss how many transactions there actually are per day. Since there aren’t any reliable, recent numbers, I will have to talk about the numbers from […]