Re: [tcpm] TCP tuning

[Joe Touch <touch at ISI.EDU>]

Jerry Chu wrote:
> On Wed, Feb 3, 2010 at 7:17 AM, SCHARF, Michael
> <Michael.Scharf at alcatel-lucent.com> wrote:
>>> This topic seems to be gaining momentum, and the WG should
>>> take some time considering if there is work here for it.
>> IMHO there could indeed be room for increasing the initial window. If
>> most data transfers continue to be smaller than 3 MSS, a larger initial
>> window would not necessarily cause harm, as it is seldomly used. Still,
>> this would speed up those data transfers that currently suffer from
>> Slow-Start.
> 
> Actually our data points to the contrary - the average web object and page
> size have been rising steadily. E.g., the majority of our search responses
> no longer fit in 3 MSS these days.

This should be relevant only for the first response from a given IP
address; persistent connections should render this moot for subsequent
requests.

Again, the question arises as to how much this is going to achieve a
noticeable impact.

Joe

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