Re: ACLs for buffer sizes?

OK... so you're saying it might be possible to auto-size buffers? How
would you you measure the path's bandwidth?

On 04/01/2008, at 5:28 PM, Adrian Chadd wrote:

> On Fri, Jan 04, 2008, Mark Nottingham wrote:
>> I've been wondering if it would be beneficial to have per-connection
>> TCP buffer sizes. E.g., if you're an accelerator, and have distant
>> clients on slow connections, you probably want fairly large buffers;
>> however, you probably also want your server-facing buffers to be
>> quite
>> small, assuming that they're very close, so that if things get
>> congested you don't have any nasty side effects.
>>
>> The easiest way to do this would seem to be using ACLs.
>
> I'm pretty sure you can grab RTT information out of the Linux TCP
> stack via an ioctl() of some sort along with a whole lot of other
> TCP related information.
>
>
>
>
> Adrian
>

--
Mark Nottingham       mnot@yahoo-inc.com