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From: dillon@flea.best.net (Matt Dillon)
Newsgroups: comp.unix.admin,comp.protocols.ppp,comp.unix.questions,comp.unix.bsd.freebsd.misc,comp.unix.bsd.netbsd.misc
Subject: Re: Best Unix for SLIP/PPP Server- Best Reliability/Cost?
Date: 17 Nov 1996 03:21:15 GMT
Organization: BEST Internet Communications, Inc.
Lines: 16
Message-ID: <56m0bb$qiq@nntp1.best.com>
References: <56cfhc$h8b@access5.digex.net> <56dl8p$rje@panix2.panix.com> <56igd8$if@anorak.coverform.lan> <56le6q$2c6@panix2.panix.com>
NNTP-Posting-Host: flea.best.net
Xref: euryale.cc.adfa.oz.au comp.unix.admin:50509 comp.protocols.ppp:15913 comp.unix.questions:91384 comp.unix.bsd.freebsd.misc:31118 comp.unix.bsd.netbsd.misc:4866
:In article <56le6q$2c6@panix2.panix.com>,
:Thor Lancelot Simon <tls@rek.tjls.com> wrote:
:>In article <56igd8$if@anorak.coverform.lan>,
:>Brian Somers <brian%anorak.coverform.lan@awfulhak.demon.co.uk> wrote:
:..
:>
:>Curt pointed out that much of the larger multi-port serial-port hardware for
:>PCs is polled. I'm interested in the impact of this on throughput on those
:>serial ports; Curt, can you tell me more?
They are (or should) still be interrupts, but possibly fixed-period
interrupts. i.e. one interrupt per millisecond if data is present...
or something like that. This isn't really polled, but it does allow
486/pentium caches to work better in terms of taking the load.
-Matt