Why mainframes are still used

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Share Share Tweet Comment Email. The long answer is that mainframes are still a crucial resource in industries like the following:. Banks of all types need to process enormous volumes of transactions. Investment banks prioritize high-frequency trading and need to react instantaneously to changes in financial markets.

Plain-old retail banking, which revolves around credit card transactions, ATM withdrawals, and online account updates, means banks of all types need to process enormous volumes of transactions. IBM z mainframes are used by all top 10 insurers worldwide. Insurance companies live and die on data — a lot of it.

Data helps them assess risk, set prices and invest in the right markets. Insurers depend on mainframes to make sure they can handle the data that drives their business. Related customer story: Insurance Co. Tames Its Complex Web Applications. Programming languages are used to send commands to a mainframe.

Common business-oriented language, or COBOL, is a popular mainframe language often used to complete administrative work. Begin typing your search term above and press enter to search. Press ESC to cancel. Skip to content Home Resume Why is Mainframe still used? Ben Davis June 1,