Gerrit Renker wrote:
| - The DCCP specification does not require RTT measurements on every packet
| exchange.
|
| - It should be possible to use coarse grained timestamps (even jiffies) for
| most packets, with finer grained timestamps used on occasion, to improve the
| current estimate; for example, getting the time of day once per RTT.
This is not easily possible without at the same time revising the spec. If you
e.g.
allow jiffie-based round-trip times, then you will need to set the minimum RTT
value
to 1 jiffie, since otherwise divide-by-zero will be likely.
Can you point to where in the specification it requires fine grained
timestamps on all packets?
Eddie
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