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SubjectRe: Resolved: Poor PPP performance in 2.2.x
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mandree@dosis.uni-dortmund.de said:
> Many ISP use Ascend dial-in routers which support only the lame ('coz
> proprietary) STAC/MS-STAC/LZ-anything compression which Linux-ppp does
> not support, while the Ascend cannot be fitted with PPP-Deflate or
> BSD-Compress either. :-(

LZS compression is available for ISDN.

Feb 26 10:51:52 firewall ipppd[106]: Compressor Stac Electronics LZS loaded!
Feb 26 10:51:52 firewall ipppd[106]: Compressor BSD Compress loaded!
Feb 26 10:51:52 firewall ipppd[106]: local IP address 158.152.16.50
Feb 26 10:51:52 firewall ipppd[106]: remote IP address 158.152.1.222
Feb 26 10:51:52 firewall ipppd[106]: ppp not replacing existing default route to
ippp0[0.0.0.0]
Feb 26 10:51:52 firewall ipppd[106]: [0] LZS (hists 1 check 3) compression enabl
ed

It works quite nicely here, and I believe I'm talking to Ascends at the other
end (Demon Internet, UK).

It's a shame that the module only works with one of the three PPP
implementations in 2.2 (sync-over-ISDN, async, sync-over-leased-lines). I
believe all three are going to be combined soon in the 2.3 series, and then the
new compression methods should work over every medium.



---- ---- ----
David Woodhouse David.Woodhouse@mvhi.com Office: (+44) 1223 810302
Project Leader, Process Information Systems Mobile: (+44) 976 658355
Axiom (Cambridge) Ltd., Swaffham Bulbeck, Cambridge, CB5 0NA, UK.
finger dwmw2@ferret.lmh.ox.ac.uk for PGP key.



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