[e2e] packet-pair probe implementation

Durga Prasad Pandey dpsmiles at turing.acm.org
Thu May 8 12:08:12 PDT 2003


> From: Joseph Ishac <jishac at grc.nasa.gov>
> To: end2end-interest at postel.org
> Subject: Re: [e2e] packet-pair probe implementation
> Reply-To: Joseph Ishac <jishac at grc.nasa.gov>
>
> On Mon, May 05, 2003 at 05:15:33PM -0400, Constantine Dovrolis wrote:
>> However, strictly speaking, it has been shown before that packet
>> trains do not measure "available bandwidth", at least if the
>> latter is defined as "bandwidth not used by other traffic".
>
> Ah, yes I agree...
>
> I should have stated it as estimating the path or bottleneck capacity.
> "Available bandwidth" was definitely a poor choice.
>
> Thanks for the correction.
>
> -Joseph

I think it's a common mistake to confuse between available bandwidth and 
bottleneck bandwidth. In any case, available bandwidth can also be better 
estimated from after astimating the bottleneck bandwidth.
2 cents!

Durga

-- 
Durga Prasad Pandey
Assistant Online Editor, ACM Crossroads
dpsmiles at acm.org




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