From: Andy (and123and@googlemail.com)
Date: Fri May 25 2007 - 06:15:38 ART
T after T after T after.... Its funny how a "simple" line like this can
knock everything into place. It makes sense now, "there is no spoon" "there
is no T1" (actually there is, but only once).
Thanks to all that replied.
On 25/05/07, Wink <dwinkworth@wi.rr.com> wrote:
>
> You are right, it is available every tc, so long as you have the credits.
>
> Remember, there is no such thing as "T1" except in conversations about
> what happens over multiple intervals. There is only T after T after T
after
> T..... indefinitely.
>
>
> ----- Original Message -----
> *From:* M S <michaelgstout@hotmail.com>
> *To:* dwinkworth@wi.rr.com ; and123and@googlemail.com
> *Cc:* ccielab@groupstudy.com
> *Sent:* Thursday, May 24, 2007 7:38 PM
> *Subject:* Re: FRTS and Be - first interval?
>
>
>
> This is accurate based on some visual traffic monitoring tools i've
> observed.
> I applied shapping to a bandwidth hungry customer with the expectation
> that he would use BE as bandwidth was available. My presumption, which was
> incorrect, was that if the AR was not being used, BE credits would be
> provided. Looking at the traffic analysis showed that BE was never used.
The
> traffic rate was locked very tightly against the BC. This was an excellent
> example of calculas limit. If the entire BC is used BE is an impossibility.
>
> I think the question remains, When does BE become available. Is BE
> provided every Tc or is BE made available only once per second. The simple
> arithmetic makes me believe it is available every Tc.
>
>
>
> Mike
>
> ------------------------------
> From: *"Wink" <dwinkworth@wi.rr.com>*
> Reply-To: *"Wink" <dwinkworth@wi.rr.com>*
> To: *"Andy" <and123and@googlemail.com>*
> CC: *<ccielab@groupstudy.com>*
> Subject: *Re: FRTS and Be - first interval?*
> Date: *Thu, 24 May 2007 17:41:42 -0500*
> >>How does the Be bucket get filled if the line is sending at Bc rate
> >>continuously, does the Be bucket get filled at the start of each
> >>second?
> >>each Tc? If there are no excess Bc credits how do the Be credits
> >>accumulate?
> >>
> >>
> >>-A
>
> A:
>
> The Be bucket does not get filled if the line is sending at Bc rate.
>
> The Be bucket only accumulates credits in a Tc where the line is sending
> at less then Bc.
>
> So if Bc is 24000, but in that interval you only send 8000 bits, then you
> will have 16000 + 24000 credits in the next interval.
>
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