Wireshark-users: Re: [Wireshark-users] FW: RTP Statistics -> line saying you can get the delay, j

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From: Martin Mathieson <martin.r.mathieson@xxxxxxxxxxxxxx>
Date: Wed, 23 Jun 2010 18:26:58 +0100
Hi,
Are you talking about the network roundtrip propagation delay, calculated using RTCP reports?
This uses the DLSR (Delay since Last SR) - wireshark does calculate this, as described in 6.4.1 of RFC 3550.

I did think about trying to add this to the RTP statistics a long time ago, but it wasn't obvious how to do it.

Martin


On Wed, Jun 23, 2010 at 6:07 PM, Anders Broman <a.broman@xxxxxxxxx> wrote:
Hi,
Not sure what you mean we do not calculate delay, what is DLSR?
Delay is the time it took the packet to travel from A to B right? That's not easy to calculate
with high accuracy.
Regards
Anders

capricorn 80 skrev 2010-06-23 17:52:
Hi Anders!

I know about this RTP_statistics.

The normal to calculate delay is

Arrival time of frame 2 - Arrival time of frame 1 = Answer

Answer - DLSR to get the delay.


I dont see any example or values of delay on http://wiki.wireshark.org/RTP_statistics . So my question was how wireshark calculate this.

Regards,

Sajid



From: anders.broman@xxxxxxxxxxxx
To: wireshark-users@xxxxxxxxxxxxx
Date: Wed, 23 Jun 2010 15:37:50 +0200
Subject: Re: [Wireshark-users] FW: RTP Statistics -> line saying you can get the delay, jitter, bandwidth, etc.

 
:-)
/Anders

From: wireshark-users-bounces@xxxxxxxxxxxxx [mailto:wireshark-users-bounces@xxxxxxxxxxxxx] On Behalf Of capricorn 80
Sent: den 23 juni 2010 15:23
To: wireshark-users@xxxxxxxxxxxxx
Subject: Re: [Wireshark-users] FW: RTP Statistics -> line saying you can get the delay, jitter, bandwidth, etc.



Anyone who can help me in this.

Regards,

Sajid

From: cool_capricorn80@xxxxxxxxxxx
To: wireshark-users@xxxxxxxxxxxxx
Date: Tue, 22 Jun 2010 10:24:19 +0000
Subject: [Wireshark-users] FW: RTP Statistics -> line saying you can get the delay, jitter, bandwidth, etc.



From: cool_capricorn80@xxxxxxxxxxx
To: wireshark-users@xxxxxxxxxxxxx
Subject: RTP Statistics -> line saying you can get the delay, jitter, bandwidth, etc.
Date: Mon, 21 Jun 2010 17:18:35 +0000



 Hi!

  The RTP statistics example contains line saying that we can get delay , jitter , bandwidth. I have seen in the example that the calculation is done for jitter and bandwidth.

  Can any one describe about it ??

  Please I shall be very thanksful.

Regards,

Capricorn

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