Skip site navigation (1)Skip section navigation (2)
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"

next in thread | previous in thread | raw e-mail | index | archive | help
>   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




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199908302127.OAA67008>