Date: Mon, 4 Feb 2008 11:15:03 -0800 From: Alfred Perlstein <alfred@freebsd.org> To: ithilgore -- <ithilgore.fbsd@gmail.com> Cc: freebsd-net@freebsd.org Subject: Re: FreeBSD network stack Vs others Message-ID: <20080204191502.GO99258@elvis.mu.org> In-Reply-To: <32c178710802040633w671f8512mc3f8991dc996d3a3@mail.gmail.com> References: <32c178710802040633w671f8512mc3f8991dc996d3a3@mail.gmail.com>
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* ithilgore -- <ithilgore.fbsd@gmail.com> [080204 06:59] wrote: > I 'd like to learn what are the basic differences ( pros and cons ) between > the > FreeBSD network stack and the other OSs' ( especially linux ) > > I know that linux has had everything rewritten from scratch as far as the > implementation of tcp-ip and the sockets are concerned and would like to > know if this has made it actually more robust or state-of-the-art than > FreeBSD's or the opposite. > > Some actual technical details and references would be appreciated. Linux's stack hasn't been rewritten from the BSD one, it was written from scratch. Linux's tcp/ip stack has been rewritten many times over the years with the promise of large performance gains. The fact of the matter is that the performance on the "bleeding edge" of both systems, FreeBSD and Linux, is about the same. >From a BSD proponent's perspective, I would take the pragmatic viewpoint that everytime Linux reinvents its stack to get performance or some other feature FreeBSD isn't far behind with a relatively minor change to its stack to accomplish the same feat. -Alfred
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