SCTP in FreeBSD 5.x/current

From: Andre Oppermann (andre_at_freebsd.org)
Date: 10/23/04

  • Next message: Randy Bush: "Re: SCTP in KAME / Re: Removing T/TCP and replacing itwithsomething simpler" 
    Date: Sat, 23 Oct 2004 16:16:44 +0200
To: Randall Stewart <randall@stewart.chicago.il.us>

    Randall Stewart wrote:
    > Anyway.. I do think it is stable enough for inclusion in
    > stable BSD... if you have another 4.x round.. BUT we have
    > not went in and fully got things working on 5.x... I know
    > one of our team members (Kozuka-san) has made an effort
    > to make it compile.. but it as yet does not function :-0
    >
    > I also, before patch 25, would like to finish a third round
    > of performance optimization. I finally have a second machine
    > with a Gig-E interface and 2.XMhz .. so I think I can
    > try to squeak it up a bit more... ah.. plans for next
    > week if I can find the cycles :-o
    >
    > Anyway.. after patch-25 I intend on taking my new machine
    > to the 5.3 strain and trying to figure out what I need
    > to do to make it work :-0 (maybe patch26 :-D)

    Randall,

    I'm willing to work with you to get SCTP into FreeBSD-CURRENT. All
    new stuff has to go into -current first before it is allowed to be
    backported to 5.x and 4.x. -current and 5.x are not much different
    so a port by you to 5.x will usually work with -current as well.
    What I can't do is extensive porting/testing of SCTP. But I can
    "hold your hand" and support you from the FreeBSD team side.

    The largest difference between 4.x and 5.x is proper SMP locking.
    The socket layer is fine-grained SMP locked and the underlying
    transport protocols have to be aware of that to get decent performance.
    But we can work that out based on the experience we have with locking
    down the TCP code. Don't be afraid, that way it's less hard than it
    seems on the first glance.

    But nontheless having a simple and more secure replacement for T/TCP
    is a worthwile goal and I will do it, even if just for fun. Keeps
    me sharp on the TCP code. ;-) 

    -- 
Andre
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  • Next message: Randy Bush: "Re: SCTP in KAME / Re: Removing T/TCP and replacing itwithsomething simpler"