Lightweight client applications – Echelon LNS User Manual

Page 53

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LNS Programmer's Guide

39

LNS Application and LNS Server PC

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Figure 3.4 Network Communication as a Local Client

Lightweight Client Applications

Lightweight client applications run on a different PC than the LNS Server and the LNS

database. The remote PC is connected to the LNS Server PC via TCP/IP sockets, as

shown in figure 3.5.

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LNS Application PC (Lightweight Client)

Figure 3.5 Network Communication as a Remote Lightweight Client

Remote Lightweight client applications must have regular contact with the LNS Server.

A Lightweight client application will be disconnected from the LNS Server if the TCP/IP

connection is broken. A Lightweight client application cannot perform monitor and
control operations if the connection to the LNS Server is lost, because both the

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