Job Management Partner 1/Base User's Guide

1.10 Communication protocols of JP1/Base

This section provides an overview of the communication protocols used by JP1/Base. The communication concepts described in this section and in 4. JP1/Base Communication Settings According to Network Configurations also apply to products for which JP1/Base is a prerequisite.

JP1/Base supports two communication protocols: an appropriate protocol is automatically selected when you install JP1/Base or set up the logical host.

You might have to manually set up a communication protocol depending on the network configuration or operation method. For details on JP1/Base communication settings for different network configurations, see 4. JP1/Base Communication Settings According to Network Configurations.

JP1/Base recognizes the host name when communicating with a host. When running on a physical host, JP1/Base recognizes, as the local host name, the host name returned by the hostname command. When running on a logical host, JP1/Base recognizes, as the local host name, the logical host name specified in the settings for the cluster system. Note, therefore, the following:

Use one representative host name and avoid use of several alias names.

JP1/Base does not operate properly if the IP address assigned to a host name cannot be resolved.

You might not be able to start JP1/Base, log in from JP1/IM - View or JP1/AJS - View, or execute a job on JP1/AJS, if the hosts file or DNS settings are not correct.

You must set up an environment that allows for both the conversion from a host name to an IP address and the conversion from an IP address to a host name. Setting the bi-directional conversion indicated above is necessary especially for resolving names on a DNS server (including Active Directory).

Organization of this section

1.10.1 Recommended communication protocol

1.10.2 Checking IP addresses corresponding to host names

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