end-to-end delay calculation

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Eric Chung

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Nov 10, 2021, 11:18:13 AM11/10/21
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Hi all, anyone knows where to get the code for end-to-end delay calculations or formula? So far I only know that the statistics of end-to-end delay is computed in the source node, application layer. When I clicked inside the codes of the TCPSessionApp.ned, it only shows this line:
 @statistic[endToEndDelay](title="end-to-end delay"; source="dataAge(packetReceived)"; unit=s; record=histogram,weightedHistogram,vector; interpolationmode=none);
end-to-end delay.png

Alfonso Ariza Quintana

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Nov 10, 2021, 12:44:13 PM11/10/21
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src/inet/common/ResultFilters.cc
De: omn...@googlegroups.com <omn...@googlegroups.com> en nombre de Eric Chung <petron...@gmail.com>
Enviado: miércoles, 10 de noviembre de 2021 17:18
Para: OMNeT++ Users <omn...@googlegroups.com>
Asunto: [Omnetpp-l] end-to-end delay calculation
 
Hi all, anyone knows where to get the code for end-to-end delay calculations or formula? So far I only know that the statistics of end-to-end delay is computed in the source node, application layer. When I clicked inside the codes of the TCPSessionApp.ned, it only shows this line:
 @statistic[endToEndDelay](title="end-to-end delay"; source="dataAge(packetReceived)"; unit=s; record=histogram,weightedHistogram,vector; interpolationmode=none);

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Eric Chung

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Nov 16, 2021, 5:48:34 AM11/16/21
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Thank you very much

11187162

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Nov 17, 2021, 8:21:32 PM11/17/21
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Hello Alfonso, would you please say what is the formula for mean delay? In anf file, there are two fields, mean and StdDev. How I can see the formula of those?
Thank you.

Rudolf Hornig

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Nov 18, 2021, 3:15:40 AM11/18/21
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How about https://en.wikipedia.org/wiki/Mean ?

Alfonso Ariza Quintana

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Nov 18, 2021, 3:56:15 AM11/18/21
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and this
In statistics, the standard deviation is a measure of the amount of variation or dispersion of a set of values. A low standard deviation indicates that the values tend to be close to the mean (also called the expected value) of the set, while a high standard deviation indicates that the values are spread out over a wider range.. Standard deviation may be abbreviated SD, and is most commonly ...

De: omn...@googlegroups.com <omn...@googlegroups.com> en nombre de 11187162 <11187...@gmail.com>
Enviado: jueves, 18 de noviembre de 2021 2:21
Para: OMNeT++ Users <omn...@googlegroups.com>
Asunto: Re: [Omnetpp-l] end-to-end delay calculation
 

11187162

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Nov 19, 2021, 11:22:15 PM11/19/21
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Many thanks Rudolf and Alfonso.
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