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Re: [Question #236315]: how does the compressed header look like

To: rohc@xxxxxxxxxxxxxxxxxxx
From: Didier Barvaux <question236315@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 25 Sep 2013 17:46:14 -0000
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Question #236315 on rohc changed:
https://answers.launchpad.net/rohc/+question/236315

    Status: Open => Answered

Didier Barvaux proposed the following answer:
Hello,

There is no single answer to your question. The ROHC protocol is a
stateful protocol with different ways to compress packets according to
several parameters: operation mode, compression profile, context state,
W-LSB parameters...

You may find all packet formats for the TCP profile starting at the
middle of page 80 of RFC 6846:
https://tools.ietf.org/html/rfc6846#page-81

You may also see some of those packet formats in some packet captures in
the library sources. For example: http://bazaar.launchpad.net/~didier-
barvaux/rohc/main/view/head:/test/non_regression/inputs/ipv4/tcp/rohc_wlsb4_smallcid.pcap

Regards,
Didier

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