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[Question #223442]: Interpretation of the exception, repair of CRC failure

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From: Elisabeth <question223442@xxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 05 Mar 2013 12:06:00 -0000
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New question #223442 on rohc:
https://answers.launchpad.net/rohc/+question/223442

Dear Didier, ROHC team

How should the RFC exception case “repair of CRC failure” be interpreted?  

The prior answers to questions related to CRC’s mainly added to the confusion. 

>From the questions/answers it looks to be related to too what extent the state transition of the decompressor state machine follows standard. 

The code indicates that state transitions could/will happen upon CRC-failures, but from my quick look I could not determine whether all allowed state transitions where there. 

So the basic question is probably, upon CRC-failures which causes the decompressor state machine to move from full context state, is it always required that an IR-message is received to come back to the full context state, or would UOR-2/IR-dyn messages be enough  (in Static Context state)?

Best regards,
Elisabeth


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