This amendment A1 modifies the European Standard EN 62439-1:2010; it was approved by CENELEC on 2012-
07-19.
Amendment:
3.1 Terms and definitions
3.2 Abbreviations and acronyms
3.4 Reserved network addresses
4.1 Conformance to redundancy protocols
5.1.1 Resilience in case of failure
5.1.4 Comparison and indicators
8 RSTP for High Availability Networks: configuration rules, calculation and
measurement method for deterministic recovery time in a ring topology
8.5 RSTP topology limits and maximum recovery time