1 Scope
The IEC 62439 series is applicable to high-availability automation networks based on the ISO/IEC 8802‑3 (IEEE 802.3) (Ethernet) technology.
This part of the IEC 62439 series specifies
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• the common elements and definitions for other parts of the IEC 62439 series;
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• the conformance test specification (normative);
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• a classification scheme for network characteristics (informative);
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• a methodology for estimating network availability (informative);
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• the configuration rules, calculation and measurement method for a deterministic recovery time in RSTP.