On Thu, 2 Sep 1999, Adam Morrison wrote:
> Yaron Zabary wrote:
>
> > I've been using FreeBSD for a couple of years now. IMO, its strong
> > points (compared to Linux) are:
> >
> >. Its networking code is better.
>
> This seems to be an argument flogged about greatly, but it REALLY depends
> on what you mean by ``better''.
>
> Performance wise, I don't know.It's hard to do good benchmarks and I
> haven't performed any.Plus, results change all the time.
These days, you are probably right. Performance-wise, Linux has
probably improved a lot.
> Cutting edge wise?I'd say that Linux appears to adopt changes faster
> than BSD does.But what does this really say?
>
> For example, in traditional BSD stacks, every TCP timing activity (RTO,
> delayed acking, etc) are based on heartbeat timers and are therefore
> coarse grained.Just a few days ago, FreeBSD commited changes to their
> tree thatreplaced these timers with callout wheel based timers,
> increasing the TCP timer granularity.Linux, IIRC, has had fine-grained
> timers forever.On the other hand, it's not exceptionally clear how big
> a win this is.In fact, some research indicates that fine granularity
> clocks may not be so great.
Linux is indeed known for faster adoption of technologies.
> I think the appropriate line is that BSD code is more stable than the
> Linux networking code.It is definitely more mature.
I suppose we can agree on that one as well. After all, BSD is the place
where TCP/IP started its life.
>
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>
-- Yaron.
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