Re: Questions about RTT

[samira afzal <afzal.samira () gmail com>]

just as an edition in (3)  , all RTTs are less than 4 ms and just 11 are
more than 20 ms  and less than 30 ms (i called these large).

I would greatly appreciate if you can guide me.

On Sat, Feb 11, 2017 at 3:58 PM, samira afzal <afzal.samira () gmail com>
wrote:

> Hi every one,
>
> I have some questions about RTT. I am using wireshark 2.2.4.
> 1) I am going to plot RTT vs.sequence numbers. I found statistics -> i/o
> graph or statistics -> tcp stream graphs -> round trip time. However in
> both the RTT is vs. time and not versus sequence numbers. Is there any way
> to plot RTT vs. sequence numbers?
>
> 2) I wish to add a column with RTT. Could you please guide me?
>
> 3) I am transferring a file from server to client  over TCP. It is running
> locally over loop-back interface (127.0.0.1). When i checked   RTT vs.
> time. I saw some large RTT values. It is strange for me. because it is
> running locally so there is not any congestion between sender and receiver
> so why there are some large RTT?
>
>
> 4) In the explained scenario in question 3,  I plotted RTT vs. time and
> also statistics -> tcp stream graphs -> throughput to see segment size vs.
> time. I see that whenever RTT is high the segment value is zero. Could you
>  please explain me what is the reason?
>
> Thanks in advance.
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