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$B?9!w^I>B$G$9!#(B

In article <501u1s$ska@news.nc.u-tokyo.ac.jp> tss@a.u-tokyo.ac.jp (SASABE Tetsuro) writes:

>  |$BC1$K1dD9$9$k$H(B collision $B$N8!=P$KITET9g$,@8$8$^$;$s$+(B?
> 
>   $B$I$3$G$N8!=P$r0U?^$5$l$F$$$^$9!)(B

                 ===+===    10BASE5
                   MAU
                    |       AUI
                    ?
                   / \      AUI
                DTE   DTE

$BIaDL$O?^$N(B MAU $B$,>WFM$r8!=P$9$k$N$@$H;W$&$N$G$9$,!"(B
$B?^$N(B `?' $B$NItJ,$G!"(B2$B$D$N(B DTE $B4V$N>WFM$b8!CN$9$kI,MW$,=P$F$/$k$N$G$O(B
$B$J$$$G$7$g$&$+!#(B($B?^$N(B MAU $B$,FHN)$7$?%H%i%s%7!<%P$N>l9g(B)

>  |$B$H$$$&9=@.$G$7$F!"(Bstation $BB&$N(B collision $B$r(B MultiportTransciver $BFb$G(B
>  |$B8!=P$9$k;EMM$K$J$C$F$$$^$9!#%P%C%/%\!<%s$N(B LAN $B$rI,$:$7$bI,MW$H$;$:!"(B
>  |$BC1BN$G;HMQ$9$k$3$H$b2DG=$G$9$7!"%+%9%1!<%I$K@\B3$9$k$3$H$b2DG=$G$9!#(B
> 
>   $B$3$l$J$i:{It$,9M$($F$$$k$N$HF1$8$b$N$8$c$J$$$+$J$!!#%+%9%1!<%I@\B3$,(B
> $B2DG=$H$O=q$$$F$"$C$F$b!"CJ?t$K$D$$$F2?$b=q$$$F$J$+$C$?$j$7$^$;$s$+!)(B 
> $B@N$$$8$C$F$$$?%"%i%$%I$N$d$D$O4V0c$$$J$/$=$&$G$7$?!#$G!"<B:]$$$m$$$m$d$C(B
> $B$F$_$?$N$G$9$,$3$$$D$,5o$k(B LAN $B$G$O(B collision $B$rDY$9$3$H$,=PMh$^$;$s$G(B
> $B$7$?!#(B

$B%^%K%e%"%k$K$OCJ?t$O(B2$BCJ$^$G$H=q$$$F$"$k$h$&$KFI$a$^$9!#(B
$B$"!"(Bstation $BB&$H=q$$$?KM$N=q$-J}$,$^$:$+$C$?$N$+$b$7$l$^$;$s!#(B
$BC<Kv$r7R$0%]!<%HF1;N$N>WFM$r8!CN$9$k$H$$$&$D$b$j$G$7$?!#(B

>  |JIS $B$N5,3J$K$OL\$rDL$7$?$N$G$9$,!"Cf7Q4o(B(repeater)$B$J$7$K$3$&$$$C$?$b$N$r(B
>  |$B:n$k$N$O:$Fq$G$"$k$H$N0u>]$r<u$1$^$7$?!#(B
> 
>   $B$@$+$i5,3J2=$5$l$F$J$$$H=q$$$F$k$o$1$G!#(B

$B5,3J$K0cH?$7$F$$$k$H$$$&0UL#$G$9$+(B?
$B5,3J$,@0Hw$5$l$F$$$J$$$H$$$&0UL#$G$9$+(B?

>   $B8=<B$KB8:_$9$k(B 10Base5/AUI $B$r;H$&%^%k%A%]!<%H%H%i%s%7!<%P$K$O(B2$B<oN`$"$C(B
> $B$F!"(B
> 
> 1. $B%P%s%Q%$%"%?%C%W!J(Bor M$B7?%3%M%/%?!K0l8D$H%H%i%s%7!<%PB&(B AUI $B%]!<%H$r(B
>    $BJ#?t;}$D$b$N(B
> 
> 2. $B%9%F!<%7%g%sB&(B AUI $B%]!<%H0l8D$H%H%i%s%7!<%PB&(B AUI $B%]!<%H$rJ#?t;}$D(B
>    $B$b$N(B
> 
> $B$,$"$j$^$9!#?9$5$s$O(B 2. $B$NJ}$O%j%T!<%?$r7s$M$F$$$k$H$*$C$7$c$C$F$$$k$h(B
> $B$&$G$9$,!"!"!"!"!#$8$c(B 1. $B$O$I$J$$$J$j$^$9$s!)(B

$B9,$$(B(?)$B<j85$KN>J}$N%?%$%W$N$b$N$,$"$C$?$N$G!"$=$l$>$lCf$rGA$$$F(B
$B8+$k$3$H$K$7$^$7$?!#(B(^^;)

1. $B%P%s%Q%$%"%?%C%W(B1$B8D$H%H%i%s%7!<%PB&(B AUI $B%]!<%H$r(B 4$B$D;}$D$b$N!#(B

  MAU $B$N2sO)$r9=@.$7$F$$$k$H;W$7$-%A%C%W$,(B4$B$D!#%?%C%W$+$i$N?.9f@~$O2?(B
  $B$b9M$($:(B4$B$D$KJ,G[$5$l$F$$$^$7$?!#C1$J$k%H%i%s%7!<%P$G$9$M!#(B

2. $B%9%F!<%7%g%sB&(B AUI $B%]!<%H(B1$B8D$H%H%i%s%7!<%PB&(B AUI $B%]!<%H$r(B8$B$D;}$D$b$N!#(B

  $B2sO)$,J#;($@$C$?$N$G!"FI$_$H$l$^$;$s$G$7$?!#(B(^^;)
  $B>/$J$/$H$b(B 1 $B$N$h$&$KC1=c$KJ,G[$7$F$$$k$o$1$G$O$J$5$=$&$G$9!#(B
  $B%j%T!<%?$,4^$^$l$F$$$k$+$I$&$+$OITL@$G$9!#(B
--
$B?9(B $B9@Fs(B	(MORI Koji)
($B3t(B)$B^I>BAH(B $B5;=Q8&5f=j(B
E-mail: mori@asanuma.co.jp