[e2e] Network level qos support for web services
Alexandre L. Grojsgold
algold at rnp.br
Mon Oct 18 12:40:24 PDT 2004
On Mon, 18 Oct 2004, Sridhar Ramesh wrote:
> I have a problem with the part "enough capacity for the application's
> demand". Applications like file transfer typically do not come with a
> fixed demand but try to fill out whatever the network gives them
> (being built over TCP which does its probing and flow control).
> By assigning their packets a lower priority than those of voice
> or video with which they may be sharing network resources, we
> could throttle them down when the higher priority apps are active, right ?
> Who really cares if the file download takes a couple of minutes
> longer because we were making a long distance VoIP call ?
... and I have a problem with "who really cares". I care. If there are
enough users willing to make phone calls over IP, getting priority over my
file transfer, it may take much much longer.
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