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DCRUM 12.3.2 - start and end of operation time in packet perspective

Hello,

I wanted to know if the transfert time (before seen by the probe) of the first packet (from client to server) and the transfert time (from server to client ) are part of the operation time.

Or the operation time starts precisely when the 1st packet is seen by the probe and the operation time is stopped when the last packet is seen by the AMD?

I know I am talking about very short time (close to RTT time) but a customer wants to know how it is measured

Regards,

Antoine

4 REPLIES 4

adam_piotrowicz
Dynatrace Pro
Dynatrace Pro

Hello,

The question is from a very peaky customer. I shown them this graph, they understood it but it's not enough.

Server RTT

I know that the operation measure starts when the TCP connection starts. But when excatly the measure starts?

At T2? or at T1? if it's T1, how the probe can measure it?

 

Thank you for your reply.

 

Regards,

Antoine

 

wojciech_kurek
Inactive

All measurements are done from the AMD's perspective, so T2 is the measure start.

Regards,

Wojtek.

Ok, thank you.

It is also the same for the end of the operation measure? The operation time ends when the AMD detect the last packet?

So that means, in the operation time there is correction done by adding RTT ?

Thank you.

 

Regards,

Antoine