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

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From: capricorn 80 <cool_capricorn80@xxxxxxxxxxx>
Date: Wed, 23 Jun 2010 17:38:14 +0000
Yes :)
 
Martin i guess its you in this discussion:
 
http://www.mail-archive.com/wireshark-users@xxxxxxxxxxxxx/msg02310.html
 
Please if you explain a example that will be very good. I badly need that.
 
I shall be very thankful to you.
 
Regards,

 
Date: Wed, 23 Jun 2010 18:26:58 +0100
From: martin.r.mathieson@xxxxxxxxxxxxxx
To: wireshark-users@xxxxxxxxxxxxx
Subject: Re: [Wireshark-users] FW: RTP Statistics -> line saying you can get the delay, jitter, bandwidth, etc.

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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