Local Session Control Parameters
XCOM.SES is a file that is used by the XCOMD
XCOM Scheduler serviceto control the maximum number of sessions available for locally initiated queued transfers for each remote system. When
XCOM Data Transportis installed, the XCOM.SES file is placed in the directory $XCOM_HOME/config by default where $XCOM_HOME is an environment variable.
You can set a maximum number of partners that can be described in this file by specifying a number in the MAX_SESSIONS_ENTRIES global parameter. For example, if you specify MAX_SESSIONS_ENTRIES=50, you can have up to 50 lines in this file, each one specifying the name of the remote system.
You limit the number of sessions available for
XCOM Data Transporttransfers by setting a parameter in the xcom.ses file for each connection to the remote
XCOM Data Transportpartner. If a session is not available for immediate use, the transfer is queued for subsequent execution.
To specify a remote system, as indicated in the example in this section, replace
connection_profilewith the destination address or name that is specified by the user in the remote system parameter (REMOTE_SYSTEM, REMOTE_SYSTEM_RF, REMOTE_SYSTEM_SJ, or REMOTE_SYSTEM_SR).
XCOM Data Transportreserves memory for information about the number of sessions for each destination based on the
connection_profileentries in this file.
Transfers Using SNA
For transfers using SNA, the parameter name
connection_profilerepresents the remote system name or partner LU name to which the session limit is applied.
Transfers Using TCP/IP
For transfers using TCP/IP, specify the format of the remote system that is consistent with your site's use of the remote system parameters. If the IP address is used, specifyconnection_profile in the form of
126.96.36.199. If host names or domain names are used in the remote system parameter, specify
connection_profilein the appropriate form of the name.
connection_profilefor each form of address or name that is used.
If the XCOM.SES file does not have an entry for the host name or domain name, the value of the
connection_profiledefaults to one.
In the following example, a sample xcom.ses file of session control parameters for
XCOM Data Transportpartners is shown. It indicates the following:
- That a maximum of eight sessions can be used at any one time for locally initiated transfers to a remote system identified as XCOMQA3
- That a maximum of four sessions can be used at any one time for locally initiated transfers to a remote system identified as XCOMQA4.
- That a maximum of four simultaneous transfers can go to 188.8.131.52.
#connection_profile=number_of_sessions_allowed# XCOMQA3=8 XCOMQA4=4 184.108.40.206=4