CA IDMS DDS System Generation › CA IDMS DDS Ports › PTERMs

PTERMs

CCI

CCI PTERMs are used in conjunction with CCI LINEs to establish communication between two nodes. The CCI PTERM parameter is TYPE IS BULK, which specifies that the data transfer between two DC/UCF systems will be bulk.

TCP/IP

On the local system, a DDSTCPIP PTERM is used to define the target system for the DDS connection; it contains the host name or IP-address of the target node, and the port number to use to establish the connection. On the remote system, the standard IDMSJSRV server LISTENER PTERM and one BULK PTERM from the SOCKET LINE are used to process the DDS request.

Note: For more information about the DDSTCPIP, LISTENER and BULK PTERMs from a SOCKET LINE, see the CA IDMS System Generation Guide.

VTAM

DDS PTERMs are used in conjunction with DDS LINEs to establish communication between two nodes. The PTERM defines the node's line driver and supplies parameters to be used by the line driver at run time. Typically, multiple PTERMs are defined for each LINE. The DDS PTERMs, unlike DC/UCF physical terminals, do not need to be associated with LTERMs.

A DDS PTERM is specified at system generation with TYPE BULK or TYPE VTAM. For the TYPE VTAM, you specify VTAM as the PTERM TYPE if the connection being established is between two nodes that reside on different machines connected by a VTAM communication link. The following additional PTERM parameters can be specified when using TYPE VTAM:

• BLOCKSIZE—Specifies the size of the packet used to pass data between nodes.
• TARGET=VTAM application-id—Specifies the VTAM LUNAME of the target CA IDMS DDS node. VTAM application-id corresponds to a VTAM minor node name and must be unique throughout the network. This is a required parameter.
• WEIGHT FACTOR—Specifies the priority to be assigned to the port defined by the PTERM and its associated line. When selecting a port through which to pass request and response packets, the node bases its selection on the PTERM weight factor for each port that connects the node to a target node.