rohc team mailing list archive

[Harpreet Singh <harpreeta@xxxxxxxxxxxxx>]

Hi Didier,

Thanks for the reply and the information.

will we get compression in uncompressed profile?

as you said,To fix the problem, enable the Uncompressed profile or do
not compress IP fragments.

Regards,
Harpreet
On Thu, 2009-11-26 at 10:34 +0100, Didier Barvaux wrote:
> Hi,
>  
> > Compression for me is working with packet lengths less than <1500
> > bytes
> > 
> > attached is the text with out of my program.
> > 
> > Can you please advise me regarding this..?
> 
> At the end of the output you sent me, there are the following lines :
>   fragment error in outer IP header
>   error while compressing with the profile, using uncompressed profile
>   uncompressed profile not found, giving up
> 
> That means that your 1500-byte IP packet is an IP fragment. The ROHC
> protocol and therefore the ROHC library do not support compression of IP
> fragments with the IP-only, UDP or RTP profiles. Only the Uncompressed
> profile supports IP fragments. The last line show that the Uncompressed
> profile is disabled, so compression of your 1500-byte IP fragment is
> impossible.
> 
> To fix the problem, enable the Uncompressed profile or do not compress
> IP fragments.
> 
> Didier Barvaux
> Viveris Technologies
> 
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