Date: Mon, 30 Aug 1999 14:27:53 -0700 (PDT) From: "Rodney W. Grimes" <freebsd@gndrsh.dnsmgr.net> To: jlemon@americantv.com (Jonathan Lemon) Cc: current@FreeBSD.ORG Subject: Re: HEADS UP Message-ID: <199908302127.OAA67008@gndrsh.dnsmgr.net> In-Reply-To: <19990830162125.52517@right.PCS> from Jonathan Lemon at "Aug 30, 1999 04:21:25 pm"
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> I've just committed the revised TCP timer code. There are some > user visible changes: > > User visible TCP timers are now in units of the system clock > (10ms for the i386), not those of the slowtimeout (500ms). So > if you have customized one of these values, (e.g.: net.inet.tcp.keepintvl), > you'll need to multiply it appropriately to keep the same interval. > > Also, some new sysctls have been added: I didn't think I would ever see this!! Good job, hats off to you and assoctiates! > > net.inet.tcp.delacktime: 20 > Specifies the timeout for delayed acks (200ms). > net.inet.tcp.slowstart_flightsize: 1 > Specifies how many packets are included in the initial > slow-start flight. Setting this value to 0 will probably > result in a non-working system. Choosing a high value > would be considered antisocial. > net.inet.tcp.local_slowstart_flightsize: 65535 > Same as above, but only applies to slowstart on "local" > networks. Note that the flightsize is constrained by > the receiver's advertised window size. One question though, how is ``local'' defined? -- Rod Grimes - KD7CAX - (RWG25) rgrimes@gndrsh.dnsmgr.net To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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