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Message-Id: <20070415.222249.161483575.okuyamak@dd.iij4u.or.jp>
To: FreeBSD-users-jp@jp.FreeBSD.org
From: Kenichi Okuyama <okuyamak@dd.iij4u.or.jp>
In-Reply-To: <200704140353.l3E3r9rB005831@msag500.nifty.com>
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	<20070414.104827.55991598.okuyamak@dd.iij4u.or.jp>
	<200704140353.l3E3r9rB005831@msag500.nifty.com>
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Date: Sun, 15 Apr 2007 22:22:49 +0900
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Subject: [FreeBSD-users-jp 90520] Re: EMOBILE D01NE
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$B1|;3$G$9!#(B

>>>>> "$BLn!9B<(B" == Ko Nonomura <nonomura@nifty.com> writes:
>> $B$b$C$H$b!"$3$l$,!V(BLinux $B$G$@$C$FB.EY$O=P$k!W$H$J$k$H!"OC$O$R$C$/$jJV(B
>> $B$j$^$9$,!D!#(B
$BLn!9B<(B> $B<B$O$=$N$h$&$G$9!#JL$NJ}$N7WB,$G$O(B
$BLn!9B<(B> Vine Linux$B$G(B1Mbps
$BLn!9B<(B> NetBSD$B$G(B1.5Mbps
$BLn!9B<(B> $B$H$+=P$F$k$s$G$9!#(B

$B$&!<$s!#(B

$B$=$&$J$k$H$b$&!"(Btcpdump $B$N7k2L$rD4$Y$k$0$i$$$7$+;W$$$D$-$^$;$s!#(B

$B$^$:$O!"(BTCP $BAX$h$j$b>e$J$N$+!"(BTCP$BAX$h$j$b2<$J$N$+!"$HLdBj$r(B2$BJ,3d$7$F(B
$B$$$C$F!"LdBj$,H/@8$7$F$$$kAX$r8+$D$1=P$9$7$+$J$$$H;W$$$^$9!#$"$H!"J}(B
$B8~@-$,$"$k$N$+$I$&$+!"$b8+$?$[$&$,$h$$$G$7$g$&!#(B


$BM}O@>e$O(B3.6Mbps$B!"8=<BLdBj$H$7$F$b(B 1-1.5Mbps $B=P$k$3$H$O$o$+$C$F$$$k$N(B
$B$G$9$+$i!"$I$3$+$,5M$^$C$F$$$k$O$:$G$9!#$H$J$k$H!"(B

1) TCP $B$N$h$&$J(B Connection full $B$JAX$G5M$^$C$F$$$k$N$@$H$9$l$P!"(B
   send/ack $B%Z%"$,$=$m$&$^$G$N%?!<%s%"%i%&%s%I%?%$%`$,L5BL$KD9$/$J$C(B
   $B$F$$$J$$$+D4$Y$kI,MW$,$"$j$^$9!#(B

2) IP $BAX0J2<$G$"$k$J$i$P!"%Q%1%C%H$r:n$C$F$+$iK\Ev$KAw$j=P$9$^$G$K!"(B
   $B$I$3$+$GL5BL$KBT$C$F$$$J$$$+!"$rD4$Y$k$Y$-$G$9!#(B

$B$H!"$3$3$^$G$O@oN,$,N)$A$^$9$+$i!#(B


$B$?$V$s!"(B
http://www.dd.iij4u.or.jp/~okuyamak/Documents/tuning.japanese.html
$B$K=q$$$?$h$&$J$d$jJ}$G(B tcpdump $B$r<hF@$7$F!"$=$l$rD4$Y$k(B
($B:G6a$O(B Ethereal $B$,8-$$$N$G!"$3$$$D$K(B tcpdump $B$N7k2L$r?)$o$;$F$d$k$H!"(B
$B$$$m$$$m$o$+$k$O$:$G$9(B)$B;v$+$i$O$8$a$k$Y$-$G$7$g$&!#(B

FreeBSD $BAj<j$H!"$[$+$N2?$+!D(BLinux $B$G$b(B NetBSD $B$G$b$$$$$G$9$+$i!"Aa$$(B
$BB.EY$,=P$F$$$k$b$N!D$H$G%Q%1%C%H$N$d$j<h$j$N0c$$$rD4$Y$k$N$,$h$$$G$7$g(B
$B$&!#$G$-$l$P!V(Btcp$B%3%M%/%7%g%s$rD%$j;O$a$k=j!W$+$i!V(Btcp$B%3%M%/%7%g%s$r(B
$BJD$8$k!W$^$GA4It!#(B

tcpdump $B$K$O(Bsecurity $B>e$N%M%4%7%(!<%7%g%s$,4^$^$l$F$7$^$&4m81@-$,$"(B
$B$k$N$G!"!XJ,@O$K6(NO$7$F$"$2$k$h(B!! $B$5$!!"(Btcpdump $B$N7k2L$r$h$3$7$J!Y(B
$B$H$O5$7Z$K$$$($J$$:r:#$J$N$,;DG0$G$9!#(B
---- 
$B1|;3(B $B7r0l(B[$BGaGX2q(B:No.0x00000001]
#URL http://www.dd.iij4u.or.jp/~okuyamak/
#    http://developer.osdl.org/dev/doubt/
#$B:#F|$N$*8@MU!X(Bgoogle$B!Y(B:$B$/$C!"$H$&$H$&%H%C%W$r<:$&$H$O!D!#(B
