jamal wrote:
I have taken linux-kernel off the list.
Russell's site is inaccessible to me (I actually think this is related
to some DNS issues i may be having) and your masters is too long to
spend 2 minutes and glean it; so heres a question or two for you:
- Have you tried to do a long-lived session such as a large FTP and
seen how far off the deviation was? That would provide some interesting
data point.
- To be a devil's advocate (and not claim there is no issue), where do
you draw the line with "overhead"?
Me and many others have run a smilar hack for years, there is also a
userspace project still alive which does the same.
The difference is that without it I would need to sacrifice almost half
my 288kbit atm/dsl showtime bandwidth to be sure of control.
With the modification I can run at 286kbit / 288 and know I will never
have jitter worse than the bitrate latency of a mtu packet. The 286
figure was choses to allow a full buffer to drain/ allow for timer
innaccuracy etc. On a p200 with tsc, 2.6.12 it's never gone over for me
- though talking of timers I notice on my desktop 2.6.16 I gain 2
minutes a day now.
Andy.
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