A CA XCOM Data Transport PLEXQ consists of a number of XCOMXFER servers of the same release. Each PLEXQ Group is given a unique name. All of the servers in the PLEXQ must specify the same name for the PLEXQ parameter in the CONFIG member or the EXEC PARM override. Each server may belong to only one PLEXQ at a time. Each server that is a member of a PLEXQ has its own request queue (XCOM RRDS). These servers may share a CA XCOM Data Transport control data set (XCOMCNTL). Member servers of a PLEXQ are autonomous peers which simply respond to requests received via incoming messages via SYSPLEX Signaling Services.
A PLEXQ can consist of one server, up to the maximum number of servers that can be practically supported by the user’s SYSPLEX environment. There is no maximum imposed by the PLEXQ architecture itself.
The following is a representation of servers in a PLEXQ called XCOMPLXQ:

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