IEC has published the following draft for ballot (57/1238/DTR):
IEC 61850-90-4 TR Ed.1:
Communication networks and systems for power utility automation –
Part 90-4: Network engineering guidelines for substations
The ballot closes on 2012-06-22.
Please contact your national committee to get a copy of this crucial document.
This 192 page Technical Report provides definitions, guidelines, and specifications for the network engineering of IEC 61850 based (substation and other) automation.
It addresses issues such as Ethernet technology, network topology, redundancy, traffic latency and quality of service, traffic management by multicast and VLAN, network-based clock synchronization and testing of the network.
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