Measuring Packet Delay Variation¶
In this example we explore the various packet delay variation (also known as packet jitter) statistics of application modules.
Source files location: inet/showcases/measurement/jitter
The packet delay variation is measured in several different forms:
Instantaneous packet delay variation: the difference between the packet delay of successive packets (
Variance of packet delay (
Packet delay difference compared to the mean value (
Here is the network:
Here is the configuration:
[General] network = JitterMeasurementShowcase sim-time-limit = 5s # source application ~96Mbps throughput *.source.numApps = 1 *.source.app.typename = "UdpSourceApp" *.source.app.source.packetLength = 1200B *.source.app.source.productionInterval = exponential(100us) *.source.app.io.destAddress = "destination" *.source.app.io.destPort = 1000 # destination application *.destination.numApps = 1 *.destination.app.typename = "UdpSinkApp" *.destination.app.io.localPort = 1000
Here are the results:
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