Date: Wed, 29 Aug 2012 11:42:13 +0000 (UTC) From: jb <jb.1234abcd@gmail.com> To: freebsd-stable@freebsd.org Subject: Re: IPv4 vs. IPv6 Ethernet Performance Message-ID: <loom.20120829T133814-120@post.gmane.org> References: <503CE60F.8040007@yahoo.de>
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Norbert Aschendorff <norbert.aschendorff <at> yahoo.de> writes: > ... > Little table (values in Mbit/s): > > Configuration v6 v4 > ======================================= > Linux -> Linux 925 935 # <= This could be v6's 40B header > # vs. v4's 20B > Linux -> FreeBSD 450 700 > FreeBSD -> Linux 455 920 > ======================================= > > The FreeBSD->Linux value shows that the ethernet chip on the FreeBSD > machine (it's Intel stuff on both sides, using the em(4) driver on > FreeBSD) is able to send at full 1G speed. But why is IPv6 so slow? Norbert, may I ask you to provide one more stats item for this table, if you can ? FreeBSD -> FreeBSD ??? ??? Thanks, jb
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