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Date: Sun, 13 Jan 2002 21:55:52 +0900
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From: Tatsumi Hosokawa <hosokawa@FromTo.Cc>
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Subject: [FreeBSD-users-jp 66457] Re: PPPoE
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$B$[$=$+$o$G$9!#(B

At Sun, 13 Jan 2002 21:11:03 +0900,
Hidetoshi Shimokawa wrote:
> 
> ppp(8) $B$O$;$$$<$$(B T1 $B$0$i$$$7$+A[Dj$7$F$J$/$F$b$*$+$7$/$O$J$$$+$b(B.
> $B86M}E*$K$O(B, userland $B$G<BAu$7$F$$$k$N$G(B, speed $B$,Aa$/$J$l$P$J$k$[$I(B,
> kernel $B$G<BAu$7$F$k$b$N$KHf$Y$F(B, $BITMx$K$O$J$j$^$9$M(B.

$B:#!"%5!<%PB&$G(B proxyarp $B$r7PM3$5$;$F!"(B
LAN $B>e$NB>$N%5!<%P$K(B ftp $B$r$9$k$h$&$K$7$^$7$?!#(B
$B@-G=$O(B 1.35Mbps (10.80Mbps) $B$^$G8~>e$7$^$7$?!#(B
$B$,!"$[$H$s$I8m:9$N%l%Y%k$G$9$M!#(B

> userland $B$H$$$&$3$H$G$O(B, natd $B$b$=$&$G$9$,(B, natd $B$C$F$I$N$0$i$$(B
> $B@-G=$G$^$9(B? ($B$[$=$+$o$5$s$N$H$3$m$O(B, $B%G!<%?$,$"$j$=$&(B)
> natd $B$HF1DxEY$N@-G=$,=P$F$b$h$5$=$&$J5$$O$7$^$9(B.

$B$O$$!#:rG/$N%G!<%?$G$9$,!"(B
Pentium III 700MHz $B$G(B 45Mbps $B%*!<%P!<$O$7$F$$$^$7$?(B
($B<j85$K$O:#@8%G!<%?$,$J$$$s$G$9$,!D(B)$B!#(B
$B$@$+$i(B ppp $B$,$3$3$^$GMn$A$k$N$,2r$;$J$$$s$G$9$h$M!A!#(B

> 10(Mbps) / 8(bits/byte) / 1500(bytes/packet) = 833.3 packets/sec
> 
> $B$@$+$i(B, 1 packet $B$4$H$K(B ppp $B$KEO$5$l$k$H$9$k$H(B,
> $B1}I|$G(B, $B:GDc(B1700$B2s$0$i$$(B context switch $B$9$k$s$G$7$g$&$+$M(B.
> 
> $B$H$3$m$G(B, CPU $B$O(B idle $B$7$F$k$s$G$7$g$&$+(B?
> idle $B$7$F$$$k$J$i$P(B, $B$J$K$+A[Dj$7$F$$$J$$$h$&$JLdBj$,$"$k$N$+$b$7$l$^$;$s(B.

ppp $B$N%/%i%$%"%s%H(B (Celeron 466MHz) $B$O(B 30$B!A(B40% $B%"%$%I%k$7$F$$$^$9!#(B
ppp $B%5!<%P(B (Pentium III 866MHz, SMP $B$OMxMQ$7$F$$$J$$(B) $B$O(B 0% $B%"%$%I%k!D!#(B
$B$3$N:9$O2?$J$N$+!)(B

> > $B$3$N@-G=$@$H!"(BPPPoE $B$N%5!<%P$K(B FreeBSD $B;H$&$N$O$"$-$i$a$k$7$+$J$$$J$!!#(B
> 
> $B$I$&$$$&MQES$r9M$($i$l$F$k$s$G$7$g$&$+(B?

$B>pJs%3%s%;%s%H$N%5!<%S%9$G$9(B (^^;$B!#(B
$B$"$H$O(B PPPoE $B%7%9%F%`$N%F%9%HMQ!#(B


--
Tatsumi Hosokawa
E-mail : <hosokawa@FromTo.Cc>
http://FromTo.Cc/hosokawa/
