Question: IGMP membership queries include a Max Resp Code field that specifies the maximum time allowed before sending a responding report. The actual time allowed, called
IGMP membership queries include a “Max Resp Code” field that specifies the maximum time allowed before sending a responding report. The actual time allowed, called the Max Resp Time, is represented in units of 0.1 s and is derived from the Max Resp Code as follows:
If MaxRespCode 6 128, MaxRespTime = Max Resp Code If MaxRespCode Ú 128, MaxRespTime is a floating-point value as follows:
Explain the motivation for the smaller values and the larger values.
012 3 4 5 6 7 1 exp mant MaxRespTime (mant|0 x 10) < < (exp + 3) in C notation MaxRespTime (mant OR 16) x 2(exp+3)
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