[e2e] Are we doing sliding window in the Internet?
detlef.bosau at web.de
Wed Jan 10 06:16:24 PST 2007
Jim Gettys wrote:
> I have to fundamentally disagree when it comes to systems research.
> If you are doing research into *systems*, an academic exercise using a
> marginal system can only be justified if you are trying a *fundamental*
> change to that system, and *must* start from scratch. Most systems
> research does not fall into that category.
What do you mean by "research into systems"? The term "system" extremely
> Doing such work outside the context of a current system invalidates the
> results as you cannot inter compare the results you get with any sort of
> "control". This is the basis of doing experimental science. Giving me
Why does research "outside the context" of a current system invalidate
results? Could you perhaps provide a concrete example for this?
> results that some "improvement" helps Linux 2.4.24, when current Linux
> is 2.6.19, or whatever, essentially invalidates the result, due to the
> extensive changes between versions.
> Much of why Van's research was able to be taken seriously by the Linux
> community and has had impact was precisely in that he had done the work
> on a recent version of Linux (independent of whether the code was ever
One prominent example for Van´s research is the congavoid paper. Linux
did not yet exist when this work was done.
Does that invalidate this work?
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