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Date: Tue, 15 May 2001 16:13:19 +0900
From: Futoshi Nakagawa <ksdj@dd.iij4u.or.jp>
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Subject: [FreeBSD-users-jp 61476] Re: NIC =?ISO-2022-JP?B?GyRCJCwbKEI=?=
 =?ISO-2022-JP?B?GyRCQ1kkJBsoQg==?= 
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>Windows$B$H$N%U%!%$%k$N6&M-$r(B
> FN> $B$7$F$?$H$3$m!"(BWindows$B$+$i(BFreeBSD4.2R$B$X$NE>Aw$,(BFreeBSD4.2$B$+$i(BWindows$B$X(B
> FN> $B$N%@%&%s%m!<%I$HHf$Y$F!"$+$J$j$N:9$,$"$j$^$7$?!#(B
> FN> $B!t0l$DIU$-2C$($^$9$H!"$9$Y$F(BWindowsOS$B$+$iA`:n$7!"(BFTP$B%/%i%$%"%s%H%=%U%H(B
> FN> $B$K$FE>Aw$7$?>l9g$G$9!#(B
> 
> 
> $B$3$NLdBj$O<B:]$K$O$9$C$2$'$d$d$3$7$/$F!"$7$+$bH>J,$,(B Winsock2 $B$H$$$&(B
> $B%V%i%C%/%\%C%/%9$G!"$5$i$K8@$&$HF1$8(B Winsock2 $B$H$$$&L>A0$NJJ$K(B Win2k
> $B$K$N$C$F$$$k$b$N$OA4A3F0:n$,0c$&$N$G!"!X(BWindows$B!Y(B $B$H$R$H%/%/%j$K$7$F(B
> $B$O$$$1$J$$$N$G$9$,!D$H$3$l$@$1Cm<a$rF~$l$?>e$G!#(B
> 
> #$B$"!"$b$&0l$D!#B?J,(B Me $B$O(B Win2k $B$HF1$8J}$N(B Winsock2$B!#(B
> 
> 
> Win->unix $BJ}8~$,(B unix->Win $BJ}8~$KHf$Y$FAw?.B.EY$,CY$$M}M3$N:GBg$N$b(B
> $B$N$O(B
> 
> $B!X(BWinsock2 $B$O(B 2 packet $BAw?.$9$k$H(B ack $B$rBT$C$F$7$^$&$+$i!Y(B
> 
> $B$G$7$g$&!#(BWindows $B$N(B TCP/IP $BAX$O%G%U%)%k%H$G$O(B 2 packet $BAw?.$9$kEY$K(B
> Ack $B$rBT$C$F$7$^$$$^$9!#(Bunix $B$O(B TCP Window size $B$K$f$H$j$,$"$k>l9g$O(B
> $B!V$-$C$H8~$&$O$^$@Aw$C$F$/$k$@$m$&$+$i!W$H0B?4$7$F(B piggy bag $B$G$-$k(B 
> packet $B$,$J$$$+D4$Y$k$?$a$K!"(B10msec $B$[$ID@L[$7$^$9!#EvA30lJ}J}8~$NDL(B
> $B?.(B(RPC $B$H$+(B)$B$N>l9g(B piggy bag $B$J$I$G$-$k%Q%1%C%H$,B8:_$7$^$;$s$N$G!"(B
> $B$3$N(B10msec $B$N4V!"A4$/%G!<%?$,E>Aw$5$l$k$3$H$,$J$/$J$j$^$9!#(B
> 
> Windows $BF1;N$N>l9g!"<u$1B&$b!V(B2packet $B<u$1<h$C$?$iB.96$G(B ack $B$rJV$5(B
> $B$M$P$J$i$L!W$H;W$$9~$s$G$$$k$N$G!"$3$N!VBT$A!W$,$[$H$s$I$"$j$^$;$s!#(B
> 
> 
> FreeBSD $B$G$3$NLdBj$r2r7h$9$k$K$O!"(Bsysctl $B$G(B
> 
> # sysctl -w net.inet.tcp.delayed_ack=0
> 
> $B$H$9$k$3$H$G$9!#$3$&$9$l$P(B piggy bag $B$G$-$k$+$I$&$+G:$`$3$H$J$/!"(B
> FreeBSD $B$O(B ack $B$rB(:B$KJV$9$h$&$K$J$j$^$9!#(B
> 
> $B$?$@$7!"$3$N@_Dj$O!VFCDj$N%3%M%/%7%g%sAj<j!WC10L$G$O@_Dj$G$-$^$;$s!#(B
> $BA4BN$KM-8z$K$J$C$F$7$^$$$^$9!#$G!"B>$N(B unix $B%^%7%s$HDL?.$9$k>l9g!"$3(B
> $B$l$O(B ack $B$rEj$2$9$.$k$3$H$K$J$k$N$G!"5U$K%Q%U%)!<%^%s%9$rMn$92DG=@-(B
> $B$,9b$$$G$9!#(B
>

$B;d$N$h$&$K2HDmFb(BLAN$B$K$F(BFreeBSD$B$GM7$s$G$k<T$K$H$C$F$O5.=E$J>pJs$G$9!#$"(B
$B$j$,$H$&8f:B$$$^$7$?!#(B
> 
> 
> FN> $B$3$N:](BWIndows$B$N%M%C%H%o!<%/Fb$K!"(B192.168.xxx.yyy$B$H8@$&(BFreeBSD$B$NC<Kv$r(B
> FN> $B8+$;$F$"$2$?$H$3$m!"$=$lAjEv$NB.EY$r=P$9$3$H$,2DG=$K$J$j$^$7$?!#!J(BFTP
> FN> $B%=%U%H$O;H$C$F$$$^$;$s!K(B
> FN> $B2?8N(BFTP$B%=%U%H$NMxMQ$NM-L5$G!"$3$N$h$&$J;v$,5/$-$?$N$+860x$rCN$j$?$$$H(B
> FN> $B;W$$$^$9!#(B
> 
> $B$3$N!V8+$;$F$"$2$?!W0J9_$,%$%^%$%A2?$r$d$C$?$N$+$^$k$C$-$jH=$j$^$;$s!#(B
> $B!V8+$;$F$"$2$k!W$D!<$?$C$F!D!#(B
> 
> $B!V$=$lAjEv!W$C$D!<$N$b!D!V2?AjEv!W$K$J$C$?$N$+H=$i$J$$$7!#(B
> $B!t!V$=$lAj1~!W$J$i$^$!!"F|K\8l$H$7$F$OH=$i$J$/$b$J$$$,!#(B

$B$+$J$jN,$7$9$.$A$c$$$^$7$?$M!#<:Ni$7$^$7$?!#$H$$$&$+@5<0$JL>>N$OJ,$+$j(B
$B$^$;$s$N$G$40&UH$7$F$/$@$5$$!J>P!#(B
Windows2000$B$N%^%$%M%C%H%o!<%/$K$F!V(B
ftp.192.168.xxx.yyy$B!W$K$F!"(BFreeBSD$BC<Kv$r8+$D$1$F!"%G!<%?$NE>Aw$r9T$C$?(B
$B7k2L%9%H%l%9$r46$8$k$3$H$J$/E>Aw$G$-$?!#$H$$$&;v$G$9!#(B
> 
> 
> $B2DG=@-$O#2$D$G!"2?$i$+$NM}M3$G(B ack $B$rJV$9$^$GBT$C$F$$$?%?%$%^!<$r(B
> $B!V;~4V$K$J$kA0$K!W=3Ht$P$7$?MW0x$,H/@8$7$F!"$=$$$D$,$D$$$G$K(B ack $B$r(B
> ($B$9$P$d$/(B)$B=P$9$h$&$K$J$C$?!"$H8@$&$N$,(B1$B$D!#(B
> #$B7k6I(B ack $B$rAw$k$^$G$N!VBT$A!W$O2?$+$rAw?.$9$k>uBV$rBT$C$F$$$k$@$1$G(B
> #$B$9$7!"$3$N!VBT$A!W$O(B global $B$JBT$A$G$7$+$"$j$^$;$s!#$@$+$i$3$=!"(B
> #socket $BC10L$G$N@)8f$,ITG=$J$s$G$9!#(B
> 
> 
> $B$b$&0l$D$O!"$=$N!V8+$;$F$"$2!W$k$h$&$K$7$?%W%m%0%i%`$,2?$i$+$N7A$G(B
> # sysctl -w net.inet.tcp.delayed_ack=0
> $B$HEy2A$J$3$H$r$7$F$$$k!"$H$$$&$b$N$G$9!#(B

$B99$J$k$4@bL@$r$"$j$,$H$&8f:B$$$^$9!#(B

> #$B:#F|$N$*8@MU!X(Bdd.iij4u.or.jp down$B!Y(B:5/14 $B$O$[$\=*F|%@%&%s(B
> #$B$7$F$^$7$?!#%a!<%k$,E~Ce$7$J$+$C$??M$,$$$?$i!"$4LH$J$5$$!#(B

#$B;d$b<u?.$G$-$:!"(BIIJ4U$B$K#T#E#L$7$^$7$?!#(B

