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New question #229518 on rohc: https://answers.launchpad.net/rohc/+question/229518 Hi Didier, Thanks for your answer about feedback in the previous thread. It is very informative. Following the two feedback methods, I am wondering at what kind of condition(s) the second feedback method (sent alone) will be triggered. For example, I have a log under a high error-rate channel showing: C_NUM_RECV_FEEDBACKS=41 /decomp/rohc_decomp.c:951 d_optimistic_feedback()] send a NACK feedback /decomp/feedback.c:76 f_feedback2()] FEEDBACK-2: first 4 bits = 0x60 (ACK type = 1, mode = 2) /decomp/feedback.c:80 f_feedback2()] FEEDBACK-2: transmit SN = 0x0000000a on 12 bits /decomp/feedback.c:82 f_feedback2()] FEEDBACK-2: 4 bits of SN = 0x0 /decomp/feedback.c:84 f_feedback2()] FEEDBACK-2: 8 bits of SN = 0x0a /decomp/feedback.c:387 f_wrap_feedback()] add CRC option to feedback /comp/rohc_comp.c:1159 c_piggyback_feedback()] try to add 4 byte(s) of feedback to the next outgoing ROHC packet /comp/rohc_comp.c:1191 c_piggyback_feedback()] 4 byte(s) of feedback added to the next outgoing ROHC packet The version is 1.5.1. From this log, I presume it used piggyback feedback-2. Can you give me an example of rohc_debugf message showing the sent-alone feedback? (So that I can tell it from piggyback feedback in my log. ) Thanks, Friedrich -- You received this question notification because you are a member of ROHC Team, which is an answer contact for rohc.
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