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FDDI-II

(Fiber Distributed Data Interface-II)


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9.1 ½Ð»¡©ú FDDI-II ºô¸ô¤u§@¯¸¤§µ²ºc¡C

9.2 FDDI-II ºô¸ô´£¨Ñ¤U¦C¨º¨ÇªA°È¡H

(a) «D¦P¨B¶Ç¿éªA°È (Asynchronous)

(b) ¦P¨B¶Ç¿éªA°È (Synchronous)

(c) µ¥®É¶Ç¿éªA°È (Isochronous)

(d) ¥H¤W¬Ò¬O

9.3 FDDI-II ºô¸ô¥i¥H¦³¤GºØ¹B§@¼Ò¦¡¡G°ò¥»¼Ò¦¡ (Basic Mode) ¤Î²V¦X¼Ò¦¡ (Hybrid Mode)¡C½Ð»¡©ú¦b³o¤GºØ¼Ò¦¡¤Uºô¸ô¦p¦ó¹B§@¡C

9.4 ¦b²V¦X¼Ò¦¡¤U¡AFDDI-II ºô¸ô§Q¥Î¡u´`Àô¡v (Cycle) ¨Ó´£¨Ñ¶Ç¿éªºªA°È¡C½Ð»¡©ú´`Àôªºµ²ºc¬°¦ó¡A¨Ã¸ÑÄÀ´`Àôµ²ºc¤¤¤U¦CÄæ¦ì©Ò¦ûªºÀW¼e¤Î¨Ï¥Î¤è¦¡¡G

(a) Dedicated Packet Data Group, DPG0-DPG11

(b) Cyclic Group, CG0-CG95

9.5 ¦ó¿×¡u¼sÀW³q¹D¡v(WideBand Channel, WBC)¡H½Ð»¡©ú¨C¤@¼sÀW³q¹DªºÀW¼e¦³¦h¤Ö¤Î¨ä¦b´`Àô¤¤ªº¤À§G±¡§Î¡C

9.6 ½Ð»¡©úµ¥®É¸ê®Æ¸Ó¦p¦ó§Q¥Î¼sÀW³q¹D¨Ó¶Ç°e¡C

9.7 ¦ó¿×¡u¥iµ{¦¡¼ÒªO¡v(Programming Template)¡H½Ð»¡©ú¨ä·N¸q¤Î¨Ï¥Î¤èªk¡C

9.8 ½Ð»¡©ú¼sÀW³q¹Dªº¥Ó½Ð¤Î¨Ï¥Îµ{§Ç¡C

9.9 FDDI-IIºô¸ô¤W¥i¶Ç°eªº°T®Ø³Ìªø¬° 4500¦ì¤¸²Õ (9000 ­Ó²Å¸¹¡^¡A¦ý¬O¨C¤@´`Áٳ̦h¥u¯à©Ó¸ü 3120 ­Ó²Å¸¹¡C½Ð°w¹ï¤U¦Cºô¸ôª¬ªp»¡©ú (1) ¤u§@¯¸¸Ó¦p¦ó¤Á³Î¤@­Ó¹Lªøªº°T®Ø, (2) ¦p¦ó¦b´`Àô¤W¶Ç°e³o¨Ç°T®Ø, (3) ¥Øªº¦a¤u§@¯¸¦p¦ó±µ¦¬¤Î²Õ¦X³o¨Ç°T®Ø¡C

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(b) ¼sÀW³q¹DÀW¼e¤w¸g¨Ï¥Î¤@¥b®É

(c) ¼sÀW³q¹DÀW¼e¨Ï¥Î§¹²¦®É

9.10 ÁöµM¦b FDDI-II ºô¸ô¤W¶Ç°eµ¥®É¸ê®Æ¥²¶·«Ø¥ß³s½u (Connection-oriented)¡A¦ý¬O¶Ç°e¦P¨B¸ê®Æ¤Î«D¦P¨B¸ê®Æ®É¤´µM¬O±Ä¥Î°T¼Ð¶Ç»¼ªº³q°T¨ó©w¡C½Ð°w¹ï¤U¦Cºô¸ôª¬ªp»¡©ú (1) °T¼Ð¦p¦ó¦bºô¸ô¤W¶Ç»¼, (2)¤u§@¯¸¦p¦ó±µ¦¬¤@°T¼Ð¡C

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(b) ¼sÀW³q¹DÀW¼e¤w¸g¨Ï¥Î¤@¥b®É

(c) ¼sÀW³q¹DÀW¼e¨Ï¥Î§¹²¦®É

9.11 ½Ð»¡©ú FDDI-II ºô¸ô¤W«Ø¥ßµ¥®É³q¹Dªºµ{§Ç¡C

9.12 ½Ð»¡©ú FDDI-II ºô¸ô¤WÄÀ©ñµ¥®É³q¹Dªºµ{§Ç¡C

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