[Opensim-dev] networking issues

[James Hughes]

On 03/28/2011 03:27 PM, Mic Bowman wrote:
> Yeah... and i think it was your post that got us thinking about how
> the multiple layers of buffering were hurting performance here. thanks
> for the original post.
>
> In poking around at this issue... one thing I've found (completely
> anecdotally) is that when we put a "reasonable" cap on per client bw,
> things tend to work far better. With no caps at all, performance gets
> very unpredictable. The variance in times between pulling updates from
> the entity update queues goes up significantly. With a cap, you don't
> get all the updates as fast... but the performance is more predictable
> (and the user experience didn't degrade much). I'm not at all sure
> what to make of that... it could be kernel or network buffering
> issues. I just don't know.
>
> --mic
>
>
They did say that Windows caps the output and it helps there. I think
the buffers are everywhere - edge devices, routers, network interface
cards, etc.. Seems that the Intel sales crew is doing a great job :)

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