The tcpnodelay option specifies whether the client disables the delay of sending successive small packets on the network, per transaction.
Change the value from the default of yes only under one of the following conditions:
This option is valid for all UNIX and Linux clientst.
This option is valid for all Windows clients.
Place this option in the client system-options file (dsm.sys) within a server stanza. You can set this option on the Communication tab in the Preferences editor. Select Send transaction to the server immediately.
Place this option in the client options file (dsm.opt). You can set this option on the Communication tab in the Preferences editor. Select Send transaction to the server immediately.