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What does the MFA server portion take for mainframe resources?

April 26, 2017mainframe MFA portion Resources server

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What does the MFA server portion take for mainframe resources?

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MFA on the mainframe is an event driven server, and will use only the resources that are asked of it at that time. Memory is freed at the end of each request. When there are no requests, then little or no CPU usage is required. If several users are accessing the mainframe through MFA, then only the overhead required to perform their requests are used. The memory requirement will depend upon the current usage load, but generally, a region of about 6M virtual would support many users. In a TCP/IP environment the TCP/IP listener could take a large amount of CPU overhead. This could be reduced by off loading the TCP/IP listener to a 3172 controller.