Research Article

Internal Clock Drift Estimation in Computer Clusters

Table 7

Query and response times for 3600 NTP requests between two computers connected by an unmanaged Ethernet switch. All times are in microseconds.

DirectionAverage (μs)Standard deviation (μs)Minimum (μs)Maximum (μs)

Request121.031.90113.64173.55
Reply110.531.60102.77117.30