OpenTP1 Version 7 TP1/Client User's Guide TP1/Client/W, TP1/Client/P
If an error occurs in TP1/Server as a gateway, after the error is returned, the definition of TP1/Server as the gateway needs to be changed. However, if multiple TP1/Servers are specified as gateways, TP1/Client switches to the next specified TP1/Server if an error occurs.
When CUPs request service at the same time, inquires will become concentrated on the name service of a single gateway TP1/Server, thus increasing the load. The random selection of multiple TP1/Servers distributes the load on the gateway TP1/Server. For details on the load distribution by random selection of multiple TP1/Servers, see Subsection 2.3.13 Load distribution for TP1/Server as a gateway.
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