Arjuna Sathiaseelan wrote:
Any idea on how comfort noise packets could be used instead of ping
packets to solve this problem?
Hi,
I don't think comfort noise packets are the solution to this problem.
For many codec they have a fixed period, for example AMR sends one
silence descriptor packet every 8th frame, i.e. every 160 ms. Thus this
may remove the need for ping as long as the RTT stays in certain bounds.
However there is clearly cases where the RTT is so short that it would
not fulfill a goal of having a ping no less often than every 4th RTT.
One should also consider other traffic that may have characteristic that
makes it desirable to use faster restart but lacks comfort noise to send.
cheers
Magnus Westerlund
Multimedia Technologies, Ericsson Research EAB/TVA/A
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