ਢ    ⥬ ࣠樨  ᮥ-
  , । ଠ IBM, AT&T  DEC (DECconnect).

 ᫥ ࠧ ਢ ᠢ  ⥬,  -
 ᯮ     ⨯:   (࠭஢-
  ࠭஢), ᨠ  (⮭  ⮫) 
⮢ .

 

⮩ ன 뢠 ,  ஬ ஢  -
 祭  訬 ᫮ ⪮   .
稢 ஢ 㬥蠥 ᪨   
࠭ ᨣ  ,  ࠭஢  . 
 㢥稢 ⥯ 宧饭 ᨣ.  ࠭-
묨 묨 ࠬ , ⭮, 㦥 , ⠪   ப
ᯮ  ⥫䮭 裡,  ࠭஢   ⭮
  ⫨  譥 ᪮쪮  ᨫ ப,
ᯮ㥬  .   室⢮  譥, ⠪  ࠭-
஢       殮,  ⮫ 窠
㦭  㬥襭 ,    ஡᭮.

 . 5.14 ,  룫 ࠭஢  , 
 . 5.15  ࠭஢  .



. 5.14  - ࠭஢  

ᨠ 

 ᨠ묨 ﬨ  室     -
 .  ᯮ  ⮢ ࠤ-  ⥫
.  ⮫  ⮭ ⭮, ⢥,  
⮫騭. ⠭  Ethernet (⮫ Ethernet)  ⮫騭
讣  㪨.  ᮢ६ ⮭  Ethernet (
뢠 CheaperNet)  ⮫騭  .   
 ⥯ 宧饭,  堭 筮,
 ॡ ᯥ樠쭮 ᯮᮡ  ப뢠 , ⮡
ᮧ ⢥⢫  祭  .  ⮭  Ethernet
 ।  訥 ﭨ, 祬 ⮫,   ᮥ

⮪,    159