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[Shaan <question85577@xxxxxxxxxxxxxxxxxxxxx>]

Question #85577 on rohc changed:
https://answers.launchpad.net/rohc/+question/85577

    Status: Answered => Open

Shaan is still having a problem:
Thank you for the help. I have attached one of the files which i dumped at
the decompresser, there seems to be a problem with 2nd and 3rd column. Is
this the overflow?

with kind regards,

Shaan

On Mon, Oct 12, 2009 at 4:06 PM, Didier Barvaux <
question85577@xxxxxxxxxxxxxxxxxxxxx> wrote:

> Question #85577 on rohc changed:
> https://answers.launchpad.net/rohc/+question/85577
>
>    Status: Open => Answered
>
> Didier Barvaux proposed the following answer:
> The compression statistics contain one line per packet that is transmitted
> through the ROHC tunnel. The fields on every line are in order:
>  - the sequence number of the packet (this sequence may eventually overflow
> and the result is undetermined),
>  - the mode of the ROHC compressor (among "error", "U-mode", "O-mode" and
> "R-mode"),
>  - the state of the ROHC compressor (among "error", "IR", "FO" and "SO"),
>  - the total length of all uncompressed IP packets (header + payload),
>  - the total length of all uncompressed IP headers (header only, no
> payload),
>  - the total length of all compressed ROHC packets (header + payload),
>  - the total length of all compressed ROHC headers (header only, no
> payload),
>  - the number of packets dropped by the tunnel.
> These fields are printed at the very end of the "tun2udp" function in the
> source code of the tunnel application.
>
> The decompression statistics contain one line per packet that is received
> through the ROHC tunnel. The fields on every line are in order:
>  - the sequence number of the packet (this sequence may eventually overflow
> and the result is undetermined),
>  - the total number of packets that were not correctly received (packets
> lost on the network and packets that the ROHC library failed to decompress
> correctly),
>  - the total number of packets that were lost on the network,
>  - the total number of packets that the ROHC library failed to decompress
> correctly.
> These fields are printed by the "print_decomp_stats" function in the source
> code of the tunnel application.
>
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