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From: =?utf-8?Q?Toke_H=C3=B8iland-J=C3=B8rgensen?= <toke@toke.dk>
To: Paolo Valente <paolo.valente@unimore.it>
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Date: Mon, 27 Apr 2015 15:01:09 +0200
In-Reply-To: <C764875C-8CB7-44CA-A4CC-1DC951DEBC53@unimore.it> (Paolo
	Valente's message of "Mon, 27 Apr 2015 14:45:08 +0200")
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Cc: bloat <bloat@lists.bufferbloat.net>
Subject: Re: [Bloat] bufferbloat effects on throughput
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Paolo Valente <paolo.valente@unimore.it> writes:

> One question: how can one be sure (if it is possible) that the
> fluctuation of the throughput of a TCP flow on a given node is caused
> by bufferbloat issues in the node, and not by other factors (such as,
> e.g., systematic drops in some other nodes along the path followed by
> the flow, with the drops possibly even caused by different reasons
> than bufferbloat)?

You can't, and it might. However, if you measure a performance
degradation that goes away when the link is idle, consider that a
hint... :)

-Toke