Datum: Low UDP Throughput on high speed test


Doc ID    KNI15069
Version:    2.0
Status:    Published
Published date:    10/09/2017
Created Date:   
 

Symptoms

Running a high speed UDP test and receiving significantly lower throughput than the Expected for the configured test

Environment

  • All Datum clients
  • UDP_UPLOAD, UDP_DOWNLOAD or UDP_SIM_DU

Explanation/Resolution

Use a recommended configuration for the UDP test:
Max Packet Size (BYTES) Packet Interval (ms) Total Mbps Total Gbps
15000.00 8.00 15.00 0.02
10000.00 4.00 20.00 0.02
37500.00 4.00 75.00 0.08
57335.00 4.00 114.67 0.11
229340.00 16.00 114.67 0.11
150000.00 4.00 300.00 0.30
225000.00 4.00 450.00 0.45
250000.00 4.00 500.00 0.50
1000000.00 16.00 500.00 0.50
300000.00 4.00 600.00 0.60
350000.00 4.00 700.00 0.70
400000.00 4.00 800.00 0.80
125000.00 1.00 1000.00 1.00
500000.00 4.00 1000.00 1.00
1000000.00 8.00 1000.00 1.00
2000000.00 16.00 1000.00 1.00
2500000.00 20.00 1000.00 1.00

Root Cause

Having packet loss percentage greater than 50%

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