GMO Payment Gateway, Inc. Systems Division Members of the Management Department of IT Strategic Business will be invited to the "JJUG CCC 2022 Fall" will hold a talk session titled "Overcoming the Legacy of Card payment Core Systems and the Challenge of Non-Disruptive Renewal".

I would like to talk about the challenge of improving the limit of performance while aiming for stable operation by updating the card-payment core system, which cannot be stopped for a few seconds.

Please see "Overview" for details.