[asterisk-dev] rtp scalability improvement...

[Paul Cadach]

Hello,

Roy Sigurd Karlsbakk wrote:
[skipped]
> These IRQ storms are only happening on crappy network hardware. My
> testing was one with intel gigabit NICs with large buffers,
> effectively producing < 100 interrupts per second. kernel profiling
> showed time was indeed spent in system calls

The one solution I see is to move RTP _switching_ into the kernel level (like
zaptel conferencing doing), and optimize Asterisk core to do better codec
selection logic (i.e. to always minimize/eliminate transcoding when it is
possible).


WBR,
Paul.