New question #245813 on rohc:
https://answers.launchpad.net/rohc/+question/245813

Hi Didier,

I'm working on some experiments with the ROHC library and i'm little confused 
about the utilization of ROHC tunnel.
I tried to send some icmp (ping) packets from host A to host B, using ROHC 
tunnel. The pings worked fine and I get the responses but looking for my 
captures in wireshark on my switch (between hosts A and B),  I noticed that the 
ROHC frames were bigger than the originals icmp packets. I think that's because 
ROHC tunnel uses a UDP encapsulation, isn't it?
Only for information, the originals icmp packets have 98 bytes lenght and the 
packets in ROHC tunnel have 109 bytes (the majority malformed packets).

Doing a similiar experiment with voip  packets (udp/rtp) in a ROHC tunnel. Will 
I see bigger packets too?

Thanks in advance!

Edvar

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