Re: [PATCH 3/7] dccp tfrc: Suppress unavoidable "below resolution" warning

["Ian McDonald" <ian.mcdonald@xxxxxxxxxxx>]

On Tue, Jul 29, 2008 at 6:13 AM, Gerrit Renker <gerrit@xxxxxxxxxxxxxx> wrote:
> In the congestion-avoidance phase a decay of p towards 0 is natural once fewer
> losses are encountered. Hence the warning message "p is below resolution" is
> not necessary, and thus turned into a debug message by this patch.
>
> The TFRC_SMALLEST_P is needed since in theory p never actually reaches 0. When
> no further losses are encountered, the loss interval I_0 grows in length,
> causing p to decrease towards 0, causing X_calc = s/(RTT * f(p)) to increase.
>
> With the given minimum-resolution this congestion avoidance phase stops at some
> fixed value, an approximation formula has been added to the documentation.
>
> Signed-off-by: Gerrit Renker <gerrit@xxxxxxxxxxxxxx>

Signed-off-by: Ian McDonald <ian.mcdonald@xxxxxxxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe dccp" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html