[Olsr-users] help

[Adam Williams]

On 10/12/07, (spam-protected) <
(spam-protected)> wrote:
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> Today's Topics:
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>    1. BMF overhead ((spam-protected))
>    2. Re: BMF overhead (Erik Tromp)
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> Message: 1
> Date: Thu, 11 Oct 2007 18:32:58 +0300
> From: (spam-protected)
> Subject: [Olsr-users] BMF overhead
> To: (spam-protected)
> Message-ID: <(spam-protected)>
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>         format="flowed"
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> Hello all,
>
> I have recently joined the mailing list and wish you all a good day.
>
> I have a question regarding the BMF overhead. As per my understanding
> the BMF overhead is 36 bytes i.e.
> Outer IP          : 20 Bytes
> UDP               : 8 Butes
> BMF Encapsulation : 8 Bytes
>
> I have simple scenario in which I am generating  multicast traffic
> between the two ad hoc nodes through MGEN 4.0 and logging at the
> receiver end at the same time. The task is to calculate the routing
> overhead due to OLSR. I already have an idea of the OLSR control
> messages and just want to confirm the BMF overhead as it encapsulates
> the multicast packets.
>
> Thanks,
> Aamir Mahmood
>
>
>
>
> ------------------------------
>
> Message: 2
> Date: Thu, 11 Oct 2007 21:46:36 +0200
> From: "Erik Tromp" <(spam-protected)>
> Subject: Re: [Olsr-users] BMF overhead
> To: <(spam-protected)>,       <(spam-protected)>
> Message-ID: <(spam-protected)>
> Content-Type: text/plain;       charset="us-ascii"
>
>
>
> Yes, you're perfectly right. BMF encapsulates in UDP, and adds an 8-byte
> BMF
> header. After that header there is the IP-header of the original packet.
> So
> in all, 36 bytes are added.
>
> See also chapter 10 of the README_BMF.txt file.
>
> Erik
>
> -----Oorspronkelijk bericht-----
> Van: (spam-protected)
> [mailto:(spam-protected)] Namens (spam-protected)
> Verzonden: donderdag 11 oktober 2007 17:33
> Aan: (spam-protected)
> Onderwerp: [Olsr-users] BMF overhead
>
> Hello all,
>
> I have recently joined the mailing list and wish you all a good day.
>
> I have a question regarding the BMF overhead. As per my understanding the
> BMF overhead is 36 bytes i.e.
> Outer IP          : 20 Bytes
> UDP               : 8 Butes
> BMF Encapsulation : 8 Bytes
>
> I have simple scenario in which I am generating  multicast traffic between
> the two ad hoc nodes through MGEN 4.0 and logging at the receiver end at
> the
> same time. The task is to calculate the routing overhead due to OLSR. I
> already have an idea of the OLSR control messages and just want to confirm
> the BMF overhead as it encapsulates the multicast packets.
>
> Thanks,
> Aamir Mahmood
>
>
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> End of Olsr-users Digest, Vol 5, Issue 5
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