KEMA study on substation communications ... - Amperion

Network Performance Components
• Network Availability: Ensuring Network is Available
– Typically 99.999% Uptime for Operational
– Excluded Times Of Use Include:
• Downtime (sometimes excludes maintenance times)
• Bit-error-rate Degradation Below A Useable Threshold
• Network Latency
– Maximum Allowable Data Transit Time Through Network
– Transit time in seconds for operational, minutes for other data type
• Quality of Service (QoS)
– Critical Data Given Top Priority for Delivery Over Other Data
– System Management for Optimal Performance
• Capacity Planning
– System Designed For Adequate Spare Capacity (“Planning Margin”)
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