Date: Mon, 16 Jul 2001 18:55:16 +0300 From: Peter Pentchev <roam@orbitel.bg> To: Joseph Gleason <clash@tasam.com> Cc: net@FreeBSD.ORG Subject: Re: ICMP source quench - deprecated? Message-ID: <20010716185516.F56285@ringworld.oblivion.bg> In-Reply-To: <00d201c10e0e$4720fdc0$0b2d2d0a@battleship>; from clash@tasam.com on Mon, Jul 16, 2001 at 11:45:02AM -0400 References: <20010716152638.B52566@ringworld.oblivion.bg> <00d201c10e0e$4720fdc0$0b2d2d0a@battleship>
next in thread | previous in thread | raw e-mail | index | archive | help
I know; those were my reasons for lifting an eyebrow at the 'deprecated' comment in the Linux kernel source.. G'luck, Peter -- "yields falsehood, when appended to its quotation." yields falsehood, when appended to its quotation. On Mon, Jul 16, 2001 at 11:45:02AM -0400, Joseph Gleason wrote: > Unless I am mistaken, ICMP source quench applies to any IP traffic, not just > TCP. > > Also, ICMP source quench can be sent by intermediate routers. > > > > ----- Original Message ----- > From: "Peter Pentchev" <roam@orbitel.bg> > To: <net@FreeBSD.ORG> > Sent: Monday, July 16, 2001 08:26 > Subject: ICMP source quench - deprecated? > > > > Hi, > > > > I just had a friend ask me a weird question about ICMP source quench > > and its handling in various OS's. He proceeded to show me a part > > of some version of the Linux kernel source, which processed a source > > quench request properly, yet had a 'This is deprecated' comment > > at the top. > > > > I had a quick look at src/sys/netinet/tcp_subr.c, and on FreeBSD 4.x > > and -current, an ICMP source quench seems to provoke a proper downsizing > > of the connection window. > > > > Is there any reason for ICMP source quench to be deprecated? > > If so, what is it to be replaced with? Or are the TCP window scaling > > algorithms smart enough to downsize the window quick enough in case of > > a noticeable packet loss? (I guess they should be..) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20010716185516.F56285>