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Re: [Question #295051]: Stop Sending UDP Checksum from compressor end

To: rohc@xxxxxxxxxxxxxxxxxxx
From: Didier Barvaux <question295051@xxxxxxxxxxxxxxxxxxxxx>
Date: Mon, 20 Jun 2016 17:57:28 -0000
Reply-to: question295051@xxxxxxxxxxxxxxxxxxxxx
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Question #295051 on rohc changed:
https://answers.launchpad.net/rohc/+question/295051

    Status: Open => Answered

Didier Barvaux proposed the following answer:
Hello,

Yes, this is possible:
* in your application that uses the ROHC compressor:
     * erase the UDP checksum by 0x0000
     * compress the packet with the zero UDP checksum
     * send the ROHC packet on the network
* in your application that uses the ROHC decompressor:
     * receive the ROHC packet
     * decompress the ROHC packet
     * either compute the UDP checksum again or simply leave the zero UDP checksum alone (UDP checksums are optional)

Regards,
Didier

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