Date: Sun, 5 Mar 2000 19:02:15 +0100 From: Juergen Lock <nox@jelal.kn-bremen.de> To: Julian Elischer <julian@elischer.org> Cc: hm@hcs.de, kuku@gilberto.physik.RWTH-Aachen.DE, freebsd-isdn@FreeBSD.ORG, freebsd-hackers@FreeBSD.ORG Subject: Re: ijppp for isdn, ppp compression, and netgraph (also: load balancing) Message-ID: <20000305190214.B16881@saturn.kn-bremen.de> In-Reply-To: <38C21B62.2781E494@elischer.org> References: <20000305053245.84D2336AB@hcswork.hcs.de> <38C21B62.2781E494@elischer.org>
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On Sun, Mar 05, 2000 at 12:31:30AM -0800, Julian Elischer wrote: > Hellmuth Michaelis wrote: > > > > >From the keyboard of Juergen Lock: > > > > > And the other reason i'm looking at ijppp is ppp compression. It > > > currently supports deflate (rfc1979) and predictor1 (rfc1978), which > > > should at least help if the other end is running bsd or linux, > > > but if your other end is something like an ascend or an external > > > router (zyxel, cisco(?), there are probably more that speak this > > > protocol), you'd want stac lzs (rfc1974), or if its a wintendo box > > > even you'd want M$' special version of that (yes of course they > > > invented their own `standard' again.) So my question is, is > > > anyone working on this? There is (alpha) code that does this on > > > linux, > > > > > > http://www.ibh-dd.de/~beck/stuff/lzs4i4l/ > > > > I've looked at that. Its very Linux-centric and i gave up for the moment > > when i realized how much work it would be to port it. > > > > Brian's ppp over i4b does support deflate compression and i get very > > good results out of it - too good to put more work into the above URL. > > > > > today... impressive stuff.) and is someone working on linking i4b > > > and netgraph? > > > > There will be a netgraph node interface which will link an i4b B-channel > > to netgraph. There are no plans from my side to netgraphify the D-channel > > part of i4b. > > to add a negraph interface to the B channels should be quite easy. > If you need help I can prbably almost do most of it.. > > (I did look at it already some time ago) > > when this is done the netgraph PPP nodes (which can support > these compression types will be usable. They could, but they don't yet, right? :) Maybe it still should be added to ijppp first cause debugging user processes is easier than the kernel... and at the usual isdn bri speeds a user process should still be pretty fast enough. Regards, -- Juergen Lock <nox.foo@jelal.kn-bremen.de> (remove dot foo from address to reply) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isdn" in the body of the message
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