ã³ã³ãã³ãé ä¿¡ã"次ã®äºæ¥"ã®æ±ã«
ââã³ã³ãã³ãé ä¿¡é¢é£ããžãã¹ã«ã¯ä»åŸãåãå ¥ããŠããããã®ã§ãããã?
åçŽçµ±ååã§ã€ã³ã¿ãŒãããæ¥ç¶äºæ¥ãŸã§ãã£ãŠããããšããããé¡§å®¢ã®æºè¶³åºŠåäžãšããç®çã®ããã«ããã³ã³ãã³ãé ä¿¡äºæ¥ã¯çµ¶å¯Ÿã«åãå ¥ããŠãã£ãŠãããªããã°ãªããªããšæã£ãŠããŸããå°æ¥çã«ã¯ãã¬ãåãã®VODãµãŒãã¹ãªã©ãè¡ã£ãŠãããããšèããŠããŸãã
åœç€Ÿã¯ããããã(eoå ããã)ããé»è©±(eoå é»è©±)ãããã¬ã(eoå ãã¬ã)ãã®ããããããªãã«ãã¬ã€ãµãŒãã¹ãå±éããŠããŸãããã€ã³ã¿ãŒãããæ¥ç¶äºæ¥ã§ããeoå ãããã«ç³ã蟌ãå¥çŽè æ°ã¯ãå³è©ãããã«å¹ŽéçŽ16äžä»¶ã®ããŒã¹ã§å¢å ããŠããŸãããã®äžã§ãé»è©±ãµãŒãã¹ã«ç³ã蟌ãã®ã8å²ããã¬ããµãŒãã¹ãç³ã蟌ãã®ã4å²ãšããç¶æ³ã§ãã
ã§ããããã®ç¶æ³ã¯ããé·ãã¯ç¶ãããå人çã«ã¯ãå°äžã¢ããã°æŸéãåæ³¢ããå°äžããžã¿ã«æŸéã«å®å šç§»è¡ãã2011幎ãããŒã¯ã«ãªããšã¿ãŠããŸãããã以éã¯ãæžãã¯ããªããã®ã®ãå¢å ã¹ããŒãã¯ç·©ããã«ãªã£ãŠããããšãäºæ³ãããŸãã
ãã®æã§ãå³è©äžããã®çµå¶ãç¶æããããã«ã¯ã©ãããã°ããã? ã¢ãããŒã·ã§ã³ã®åé¡ãå«ããŠã次ã«äœããã£ãŠããã¹ãããèããå¿ èŠãä»ãããããšèããŠããŸãã
ââå ·äœçã«ã¯ãã©ã®ãããªããšããªãã£ãŠããã®ã§ãããã?
次ã«ããã¹ãããšãèããããã®ãããžã§ã¯ãããŒã ã瀟å ã«ã€ãããæ€èšã«çæãã¯ãããŸãããæ€èšèª²é¡ã®äžã€ã®æ±ãšããŠãã³ã³ãã³ãé ä¿¡äºæ¥ãèããŠãããŸãã
çŸåšã®ä»çµã¿ã§ã¯ãeoå ãããã«ç³ã蟌ãã§ããã ããæ¹ã«ã¯ã1åç·ã«ã€ã1ã€ã®IDãä»äžããŠããŸãããå®¶åºãªã©ã®å Žåã1åç·ãè€æ°ã®äººãå©çšããŠãããšèããããŸãã
çŸåšIDãæã€75äžä»¶ã®æ¹ã ã«å¹³å3人ã®PCãå©çšããå®¶æããããšèãããšã75äžä»¶Ã3=225äžäººã®æ¹ã ã«IDãä»äžããããšãã§ããŸããããèãããšããããé ä¿¡äºæ¥ã®è£Ÿéã¯éããªã倧ããã®ã§ã¯ãªãã§ãããã?
å°æ¥ã«ããã£ãŠåœç€Ÿã®ã©ã€ãã«ã¯NTTã§ãããå šåœèŠæš¡ã§èŠããšãNTTæ±è¥¿ã®å ããå ãã¡ã€ããŒäºæ¥ã«ãããåžå Žã·ã§ã¢ã¯å§åçã«å€§ãããã®ããããŸããã§ãããè¿ç¿åã«ãããNTTã®ã·ã§ã¢ã¯å šåœå¹³åããäœããåœç€Ÿããªããªãé 匵ã£ãŠããã®ã§ã¯ãªãããšèªè² ããŠããŸãã
ããã ãå¥éããŠããçç±ãšããŠãäžè¬å®¶åºã«ãPCãŸã§çŽæ¥1Gbpsã§é ä¿¡ã§ããããã«ãããªã©ãNTTã«å é§ããŠåžžã«æ°ããããšããã£ãŠããããšããããããŸããä»åŸãããããåªåãè¡ã£ãŠãããããšèããŠããŸãã
å ¬æ£ãªç«¶äºãä¿é²ãããæ³å¶åºŠæŽåã«æåŸ
ââNTTã·ãããªã©ãå§ããå°äžããžã¿ã«æŸéã®IPåéä¿¡ã«ã€ããŠã¯ããããã§ãã?
ä»åŸã®æ€èšèª²é¡ã§ãããåœç€Ÿã®eoå ãã¬ãã¯CATVæ¹åŒãæ¡çšããã客æ§å® ã«åŒã蟌ãã 2è¯ã®å ãã¡ã€ããŒã®ãã¡ãããããšé»è©±ã1è¯ã§ããã¬ãããã1è¯ã§äŒéããŠããããããã€ããžã§ã³æŸéãªã©ã®å€§å®¹éã«ã察å¿ããããšãã§ããŸãããIPæŸéã¯ã1æ¬ã®å ãã¡ã€ããŒããããã»é»è©±ã»ãã¬ãã§å ±æããŠãããããããããã®å©çšã«åœ±é¿ããããšã«ãªããŸãã
ãŸããæ¢èšã®å軞ã±ãŒãã«ããã®ãŸãŸå©çšå¯èœã§ãLANé ç·ãæ°ãã«æ·èšããå¿ èŠã¯ãªãããšãããåªäœæ§ããããšèããŠãããæ ãŠãŠIPæŸéã宿œããå¿ èŠã¯ãªããšæã£ãŠããŸããããããåœé¢ã¯IPv6ãžã®å¯Ÿå¿ãåªå ããŠãããããšèããŠããŸãã
ââèäœæš©è ã®æš©å©ã®äžéšãå¶éããããããæ³ããªã©ã«å¯ŸããŠã¯ãã©ã®ãããªãèãããæã¡ã§ãããã?
çŸåšã®ãããã®æ³æ¡ã§ç€ºãããŠãããæŸéäºæ¥è ãæ ç»äºæ¥è ã«ãããæµéã®æš©å©ãéçŽãããšããã®ã¯ãå人çã«ã¯ã©ã¡ãããšèšããšè³æã®ç«å Žã§ãã
ãšããã®ããçŸç¶ã§ã¯ãèªç€Ÿã§ãããé ä¿¡ããããã®èäœæš©ã®åŠçã倧å€ã§ããããäžç®æã«ãŸãšããããã°ãéåžžã«äŸ¿å©ã ããã§ãã
ââãªãã»ã©ãããã§ã¯ãç·åçã§æ€èšãããŠãããæŸéãšéä¿¡ã®èåãå³ããæ å ±éä¿¡æ³ãã«ã€ããŠã¯ã©ã®ããã«ãèãã§ãããã?
ããŒããŠã§ã¢ãã©ãããã©ãŒã ãå«ããããžã¿ã«ã«é¢ããå šäœãèåããŠãããšãããããžã¿ã«ã»ã³ã³ããŒãžã§ã³ã¹ãã®åãã¯æä»£ã®è¶šå¢ã§ãããå¿ ç¶çã§ã¯ãªãããšæã£ãŠããŸãã
åœç€Ÿã§ããé»è©±ããããããã¬ããäžäœçãªãµãŒãã¹ãšããŠæäŸããŠããããããã¯ãã§ã«èåãã€ã€ãããŸãã
ãããã«ããŠããåäºæ¥è ãå ¬å¹³ã»å ¬æ£ã«ç«¶äºãè¡ããèªç±ã«æ°èŠåå ¥ãã§ãããããªç°å¢ã«å¯äžããæ³æŽåããªãããããšãæåŸ ããŠããŸãã