èŠçŽïŒ2é²æ°ã·ã¹ãã ãBGPã®ãã¥ã¢ã³ã¹ã䌎ããªããèªãã¹ãããã¹ã圢åŒã®ããããã¯ãŒã¯ã®ãããã¯ãŒã¯ããšããŠã®ã€ã³ã¿ãŒãããããã€ã¹ã«é¢ããç©èªã ã¹ããŒãªãŒã®å€§éšåã¯ãã©ããããããšã¢ã¯ã»ã¹ãã€ã³ãéã®éä¿¡ããã»ã¹ã«ã€ããŠã§ã¯ãªããããŒã¿ããããã©ã«ãã²ãŒããŠã§ã€ããééããåŸã«äœãèµ·ãããã«ã€ããŠã§ãã ç§ã¯ããªãã«èŠåããŸããå€ãã®æçŽããããŸãã
ãšã³ããªãŒ
å°ããªæçºçãªã¹ããŒïŒãã®èšäºã®èªè
ã¯èª°ãã€ã³ã¿ãŒãããã«æ¥ç¶ããŠããŸããã ãã¹ãŠããããã€ããŒã®ãããã¯ãŒã¯ã«æ¥ç¶ããããã以äžã¯æ¥ç¶ãããŸããã ã€ã³ã¿ãŒãããæ¥ç¶ã¯é«äŸ¡ã§ãããå®è¡ãå°é£ã§ããéåžžã«ã¯ãŒã«ãªæ©åšãè€æ°ã®éä¿¡äºæ¥è
ããã³æè³æ Œã®åŸæ¥å¡ãšã®ããã€ãã®å¥çŽãå¿
èŠã«ãªããŸãã åçŽãªããŒã ãŠãŒã¶ãŒã«ãšã£ãŠã¯ã決ããŠå
ããŸããã ã€ã³ã¿ãŒãããäžã§æ¥ç¶ã§ããã®ã¯40åãè¶
ããªãããšã¯èšããŸã§ããããŸããïŒæè¿ãŸã§ã65536以äžããããããŸããïŒ[1]ã ã€ã³ã¿ãŒãããå
šäœãipv6ã«åãæ¿ããããŠãããã®æ°ã¯å€ãããŸããã
ã€ã³ã¿ãŒãããã«æ¥ç¶ããŠãã人ã®æ°ã¯æ¬¡ã®ãšããã§ã[2]ã
y軞ã¯åæ°ã§ãã ããŒã¹ãããŒã¹ã ãããŠãããªãã¯ãã®æ°ã«æ°ããããŸããã§ããã
ãªãã§ïŒ
å®éã«ã¯ãã€ã³ã¿ãŒãããã¯æåéããçžäºæ¥ç¶ãã§ãã ãããã¯ãŒã¯ã®ãããã¯ãŒã¯ã ãŸããã€ã³ã¿ãŒãããã®åå è
ã¯ãŠãŒã¶ãŒïŒã³ã³ãã¥ãŒã¿ãŒãã¿ãã¬ãããWi-Fiãåããé»åã¬ã³ãžãªã©ïŒã§ã¯ãªãããããã¯ãŒã¯ã§ãã ãããã¯ãŒã¯ããã³ãããã¯ãŒã¯ã®ã¿ãã€ã³ã¿ãŒãããã®äœæ¥ã«åå ããŸãã ã€ã³ã¿ãŒãããã¯ãäºãã«ç°ãªããããã¯ãŒã¯ãæ¥ç¶ãããã®ã§ãã
ãããããããã®ãããã¯ãŒã¯ã®åã
ã®ããŒã-ã€ã³ã¿ãŒãããã«æ¥ç¶ããããããã¯ãŒã¯ãä»ããŠããã§ã«ä»ã®ãããã¯ãŒã¯ã®ä»ã®ããŒããšéä¿¡ã§ããŸãã
ãã ããæåã«ãŸãã
ãããã¯ãŒã¯ãšã¯äœã§ããïŒ
ç§ã¯ãã³ã³ãã¥ãŒã¿ãŒã®æåã®æ°å幎ã®åçã§åã£ãœãæŽå²å
šäœãèŠéããŸãã ããæç¹ã§ãæ°åæã®ãã³ãã«ãŒãã®ç©Žãšã¯ç°ãªãæ¹æ³ã§ã³ã³ãã¥ãŒã¿ãŒããã³ã³ãã¥ãŒã¿ãŒã«æ
å ±ã転éããããšããèŠæãçããŸããã æšæºã«ãªããªãã£ãïŒãããŠäžéšã¯æ¶æ»
ããŸãããïŒæ»ãã ãããã³ã«ãžã®å€å€§ãªèŠçãšæ°ååãã«ã®æè³ã®åŸããããŒã«ã«ãããã¯ãŒã¯ãïŒãŸãã¯ãLANãïŒã®æŠå¿µãçãŸããŸããã ããŒã«ã«ãããã¯ãŒã¯ã䜿çšãããšãè¿ãã«ããã³ã³ãã¥ãŒã¿ãŒããã®ãããã¯ãŒã¯äžã®ã¢ãã¬ã¹ã§çžäºã«éä¿¡ã§ããŸãã ãè¿ããã®æŠå¿µã¯éåžžã«æ¡åŒµæ§ããããè€æ°ã®å»ºç©ã«æ¡åŒµã§ããŸãããŸããå€ãã®å»ºç©ã«è² æ
ããããå Žåã¯ãããã€ãã®éœåžã«æ¡åŒµã§ããŸãã
ãªãããããã¯ãŒã¯ããªã®ã§ããïŒ
ç§ãã¡ã¯çããããããããã¯ãŒã¯ããšåŒã°ããã»ãšãã©ã®ã³ã³ãã¥ãŒã¿ãŒããŒã¹ã§ãããšããäºå®ã«æ
£ããŠããŸãã ãããã網ã¯éãä»ã®çŽ°èæ§é ãæãŸãããããã®ãšåŒã°ããŠããããšãä»ã§ãèŠããŠããŸãã
ãããã£ãŠãã³ã³ãã¥ãŒã¿ã§ã¯ãªãããããã¯ãŒã¯ã§ããã°ãããã¯ã»ã«ããã®ãã®ã§ãªããã°ãªããŸããã åæã«ãç§ãã¡ã®æ¥åžžã®çµéšãããããã¯ãããã¯ãŒã¯ã§ã¯ãªããå®éã®ã³ã³ãã¥ãŒã¿ãŒããªãŒã§ããããšã瀺åãããŠããŸãã ãªãŒãïŒã³ã³ãã¥ãŒã¿ãŒãã¹ããŒããã©ã³ãã¿ãã¬ãããªã©ïŒã¯ãã©ã³ãïŒã«ãŒã¿ãŒãã¹ã€ãããã¢ã¯ã»ã¹ãã€ã³ãïŒã«æ¥ç¶ããããã©ã³ãã¯ã«ãŒã¿ãŒ/ã¹ã€ãããªã©ã«æ¥ç¶ãããã¡ã€ã³ã«ãŒã¿ãŒã圢æããããŸã§ç¶ããŸããããªãã®ISPã«ã ãŸãã¯ãå®å
šã«ããŒã«ã«ãããã¯ãŒã¯ã®å Žåãã«ãŒã¿ãŒã¯ã¡ã€ã³ãããã¯ãŒã¯ã§ãããããã©ãã«ã移åããŸããã
ãããã¯ãŒã¯ã¯ã©ãã«ãããŸããïŒ
åçïŒãã®æ§æã§ã¯ããããã¯ãŒã¯ã¯ãããŸããã ããã¯ãããã¯ãŒã¯ã§ã¯ãããŸããã ã€ãŸããããã¯ãŸã ã³ã³ãã¥ãŒã¿ãŒãããã¯ãŒã¯ã§ãããéåžžã«ãã©ã€ããŒããªãç Žå£ããããããŒãžã§ã³ã§ãã å®éã®ã³ã³ãã¥ãŒã¿ãŒãããã¯ãŒã¯ãšã¯ããããã¯ãŒã¯å
ã«è€æ°ã®ã«ãŒã¿ãŒããããããããè€æ°ã®ãªã³ã¯ã§çžäºã«æ¥ç¶ãããŠããããšãæå³ããŸãã
以äžã¯ãäžèŠæš¡ã®LANã®å³ã§ãã å圢ãªããžã§ã¯ã-ã«ãŒã¿ãŒãæ£æ¹åœ¢-ã¹ã€ããïŒãœãŒã¹ãã€ã³ããšã¿ãŒã²ãããã€ã³ããé€ãïŒããã¹ãŠã®ã¹ã€ãããåé€ãããŠç°¡ç¥åãããŠããŸãã ç·ã¯åªå
ãã¹ã瀺ããèµ€ã¯éè·¯ã瀺ããŸãã
ãããããã¯ãŒã¯ã®ããã§ããïŒ
ã€ã³ã¿ãŒãããã®äž»ãªã¢ã€ãã¢ã¯ãåé·æ¥ç¶ã«ãããŸãã ã¢ã¡ãªã«è»ïŒARPANETïŒã«ãã£ãŠç°¡åãªç®æšã§äœæãããŸãã-ãã®åè·¯ã®äžéããŒãã®ãããããæå·ããå ŽåïŒæŠäºã§ãæºãæããã±ãŒãã«ãå£ããå ŽåïŒãæ¥ç¶ãç¶æããå¿
èŠããããŸãã
å®éãç§ã¯å°ããããã§ããå€ãã®ããŒã«ã«ãããã¯ãŒã¯ïŒIPïŒã§ã¯ãªããä»ã®ãããã³ã«ïŒATMãIPX / SPXïŒäžã«æ§ç¯ãããŸããã
ããããæã
ã¯åè
ã«ã€ããŠè©±ããŠãã-IPãããã³ã«ïŒã€ã³ã¿ãŒããããããã³ã«ã®ç¥ïŒãIPãããã³ã«ãç¹ã«ã€ã³ã¿ãŒãããã«åºã¥ããŠæ§ç¯ããããããã¯ãŒã¯ã¯ãããããã€ãããã®åçã§æ©èœããŸãã
ããããã€ããã
ãäžå€®ã€ã³ã¿ãŒãããã«ãŒã¿ãŒãã®ååšãé€å€ããããã«ãåä¿¡ãããã±ããã®éä¿¡å
ã決å®ããåã«ãŒã¿ãŒã¯ããã®æ±ºå®ãç¬èªã«è¡ããŸãã ãããŠã圌ãã®é£äººïŒçŽæ¥æ¥ç¶ãããïŒå
ã§ã®ã¿ã ãã®ååã¯ãããããã€ãããããšåŒã°ããŸãã ãã®ã¢ãããŒãã®ä»£æ¿æ段ã¯ããã±ããã®éä¿¡æ¹æ³ãæ瀺ããäžå€®èª¿æŽããŒãããŸãã¯ãã±ããèªäœã®ã«ãŒãã®è¡šç€ºã®ããããã§ãã
äžå€®èª¿æŽããŒãã®ã¢ã€ãã¢ã¯ã1ã€ã®åçŽãªåé¡ã«ééããŸããã«ãŒã¿ãŒãšã®éä¿¡ã«äœ¿çšãããã«ãŒããç Žæããå Žåã«ãæ°ããã«ãŒãã«é¢ããæ
å ±ãã«ãŒã¿ãŒã«äŒéããæ¹æ³ã§ãã ãã£ãš...
ãäºåã«èšå®ãããã«ãŒããã®ã¢ã€ãã¢ã¯UUCPïŒéåžžã®é»åã¡ãŒã«ã®å身ïŒã§äœ¿çšãããŸããããæŠäºæ¡ä»¶ïŒåæã«ïŒå°éã接波ãåååçºé»æã§ã®äºæ
ïŒã§ãéä¿¡è
ãã©ã®ããŒããåäœããŠããããåäœããŠããªããã軜床ã«èªèããŠããããšãæã¿ãŸããçŽ æŽã«ã
ãããã£ãŠãããããã€ãããã®ååã¯ãç¹å®ã®ã»ã¯ã·ã§ã³ã®ã«ãŒãã«å¯Ÿãããã¹ãŠã®è²¬ä»»ãããã®ã»ã¯ã·ã§ã³ãæ
åœããã«ãŒã¿ãŒã«è»¢éããŸãïŒãã®èšèã§ã¯ããããªãã£ãŒã®ããã«èãããŸãïŒã
ã«ãŒã¿ãŒã¯éåžžãè¿é£ã®ã©ããçããŠãããã©ããçããŠããªãããããªãããäŒããããšãã§ããŸãã ããã«ã圌ã¯é£äººã®é£äººãšéä¿¡ãã圌ããçããŠãããªã³ã¯ãšããã§ãªããªã³ã¯ã«é¢ããæ
å ±ãèŠã€ããããšãã§ããŸãã
2çªç®ïŒè¿é£ãšã®éä¿¡ïŒã¯ãã«ãŒãã£ã³ã°ãããã³ã«ããšåŒã°ããŸãã ã«ãŒã¿ãŒãè¿é£ãšéä¿¡ããæ¹æ³ãšããã®éä¿¡ãã«ãŒãã£ã³ã°ããŒãã«ã«ã©ã®ããã«åœ±é¿ãããã«ã€ããŠèª¬æããŸãã ãããã³ã«èªäœã«ã¯ãããããã¯ãŒã¯å
ãã§ã®äœæ¥çšãšãããã¯ãŒã¯éã®äœæ¥çšã®2ã€ã®ã¿ã€ãããããŸãã
ã«ãŒãã£ã³ã°ããŒãã«ã¯ãã«ãŒã¿ãŒã®ç¥èãªãã®ã§ãã ãã®æ§é ã¯åçŽã§ãããã¹ãŠã®ãããã¯ãŒã¯ãã©ãã£ãã¯ã¯ããããã¯ãŒã¯ã€ã³ã¿ãŒãã§ã€ã¹ãªã©ãä»ããŠã¢ãã¬ã¹ã«è»¢éãããããã«åã«ãŒãã®åªå
é äœã転éãããŸãã çµè·¯ãããæ£ç¢ºã§ããã»ã©ãããã¯ããæãŸãããã®ã§ãããä»ã®æ¡ä»¶ãåãã§ããã°ããã®çµè·¯ã®åªå
é äœã䜿çšãããŸãã æåŸã®ïŒææªã®ïŒã«ãŒãã¯ããç¥ç¶ã®æãžããã€ãŸãããã¹ãŠã®äº€éããšåŒã°ããŸãã ããã¯ããããããããã©ã«ãã²ãŒããŠã§ã€ãã§ãã ããã¯ããã以äžæ£ç¢ºãªã«ãŒãããªããæãèå³æ·±ãããšã«ãéåžžã®ã³ã³ãã¥ãŒã¿ãŒïŒé»è©±ãã¿ãã¬ãããæé€æ©ãã«ã ã³ãŒããŒãwifiä»ãã®ã€ãŸããããªã©ïŒãéåžžã«é »ç¹ã«ã®ã¿äœ¿çšãããå Žåã«ã®ã¿äœ¿çšãããŸã-ããã©ã«ãã®ã«ãŒãã
ã€ãŸããè¯ããã®ã¯ãããŸãã圌ãã®äººçã§ã¯ãªã ã
ããããããã¯æ Œèšã§ããã ç©èªã¯å
ãè¡ãã§ãããã
ãããŠãã¢ãããªã³ã¯ãšã¯äœã§ããïŒ
ã¢ãããªã³ã¯ã¯ãã€ã³ã¿ãŒããããžã®ã¢ã¯ã»ã¹ãååŸããã¢ãããªã³ã¯ã§ãã
ãã§ã«èª¬æããããã«ãå®éã®ã€ã³ã¿ãŒãããã¯ãããã¯ãŒã¯ãæ¥ç¶ããŸãã ãã®ãããªãããã¯ãŒã¯ã¯ãèªåŸã·ã¹ãã ããšåŒã°ãã誰ã«ãäŸåããŠããªããããããåŒã°ããŠããŸã-ããã¯èªåèªèº«ã§ãã èªåŸã·ã¹ãã ã¯çžäºã«æ¥ç¶ãïŒæ¹æ³ã«ã€ããŠèª¬æããŸãïŒããã©ãã£ãã¯ãè¿é£ã«è»¢éããããã«ãã©ãã£ãã¯ãããè¿é£ããå¥ã®è¿é£ã«è»¢éããŸãã
ããã¯ããã€ããŒãããã©ãã£ãã¯ãåä¿¡ããŠââãã€ããŒã«éä¿¡ããèªåŸã·ã¹ãã ã®å人çãªæš©å©ã§ããããšãç解ããããšãéèŠã§ãã 圌ãã欲ãã-圌ãã¯ãããéä¿¡ããŸãã 圌ãã¯ãããæã¿ãŸã-圌ãã¯ãããéä¿¡ããªãããæãè¿ãé£äººã«ã§ã¯ãªãã3çªç®ã3çªç®ã5çªç®ã5çªç®ã«ãã©ãã£ãã¯ããªãŒã¹ãã©ãªã¢ã«éãè¿ããŸãã
ãªãã¬ãŒã¿ãŒéå¥çŽ ïŒãŸãã¯ã2ã€ã®ã¢ãããªã³ã¯çšã®å°èŠæš¡ãªããèªãé«ãèªåŸã·ã¹ãã ãããå Žåã¯ãããåçŽãªå¥çŽïŒã«ãã£ãŠæ±ºå®ããããã©ãã£ãã¯ã誰ã«èª°ã«éä¿¡ãããã
ãããã£ãŠãå®éã®ã€ã³ã¿ãŒãããã¯ãèªåŸã·ã¹ãã ãšãããã®éã®æ¥ç¶ã§æ§æãããŠããŸãã
äžåœãšãããšãã°ã¢ã¹ã¯ã¯ã®èªåŸã·ã¹ãã ãšã®é¢ä¿ã¯æ°åããã¡ãŒãã«ã§ãããšèª°ããæ³åããã ãããã èªåŸã·ã¹ãã éã®ãªã³ã¯ã®ãµã€ãºïŒç©ççïŒã¯éåžžéåžžã«å°ãããæã«ã¯æ°åã»ã³ãã¡ãŒãã«ãæã«ã¯æ°ã¡ãŒãã«ã極端ãªå Žåã¯æ°åã¡ãŒãã«ã§ãã
ãªãã§ïŒ ãªããªãããããã®éã®ãªã³ã¯ã10,000ããã¡ãŒãã«ã§ãããããŒã«ã«æããããŠãããšããŠãã誰ããããã®ããŒã«ã®äžè©±ããããããã«æ°ŽãããããµããŒãããã¯ã€ã€ãŒã«çµã³ä»ããã®ã§ããããïŒ ãã®ãããã»ãšãã©ã®å Žåããããã®æ°åããããã³æ°åãããã¹ãŠã®å
åŠç³»ïŒé
ã¯ãã®ãããªè·é¢ã§æ»äº¡ããŸããïŒã¯èªåŸã·ã¹ãã ã§ãã ããã¯ãããã¯ããŒã³æŒç®åããšåŒã°ãããŸã£ããå¥ã®äžçã§ããããšã«æ³šæããŠãã ããã 圌ãã®ããžãã¹ã¯ãããå°ç¹ãããã©ãã£ãã¯ãåããæ°åããã¡ãŒãã«ã®å¯ãããã©ã¯ã¿ãŒãçãä»ããŠå¥ã®å°ç¹ã«èŒžéãããšããäºå®ã«æ£ç¢ºã«ãããŸãã
ããããèªåŸã·ã¹ãã ïŒãããã¯ããžã§ã€ã³ãããšåŒã°ããŸãïŒéã®æ¥ç¶ã¯ãéåžžãå±
å¿å°ã®è¯ããå¯ãã也ç¥ãããæ
éã«å®ãããéšå±ã«ãããŸãã ãµãŒããŒã®å ŽåããããŸãïŒããšãã°ãSelectelã«ã¯ãµãŒããŒã«ãŒã ã«ããããããªãã¬ãŒã¿ãŒã©ãã¯ãããããŸã-ããã«ãããªãã¬ãŒã¿ãŒãå¿«é©ãªç¶æ
ã§ãäºãã«ãããã³ã°ã§ããããã«ããããïŒããŸãã¯ãç¹æ®ãªããŒãã次ã«åå¥ã®éšå±ã䜿çšãããŸãïŒå€ãã®å ŽåãæºåãæŽã£ãã«ãŒããéäžããŠããããã«èªç¶ã«åœ¢æãããŸãïŒ-Internet ExchangeïŒIXïŒã MSK-IXã¯ãã¢ã¹ã¯ã¯-9ãã§ã¯ãªãããã¢ã¹ã¯ã¯ã€ã³ã¿ãŒããããšã¯ã¹ãã§ã³ãžãã§ãïŒã ãªãã¬ãŒã¿ãŒïŒæç·ãŸãã¯ãªãŒã¹ä»ãïŒããã³ã¹ã€ããïŒå
šäœããŸãã¯VLAN /ããŒãã®ãªãŒã¹ã«ããå°ããªæçïŒãããã«æ¥ãŸãã ãããŠãå€åãª
ã¹ãã€ããŒãWorld Wide Webãç·šã¿å§ãããšã³ãžãã¢ã¯æ°åã®ã¯ãã¹ãªãŒããŒïŒ1ã€ã®ã¹ã€ãããå¥ã®ã¹ã€ããã«ã¯ã€ã€ã§æ¥ç¶ïŒã«åŸäºãå§ããŸãã ãããã®äº€å·®ç¹ã§ã¯ãã€ã³ã¿ãŒãããå
šäœãéå¬ãããŸãã
ããããã¹ãŠã®äººã
ã¯ã©ããã£ãŠãäºãã«ä»²è¯ããªãã®ã§ããããïŒ ãããŠæãéèŠãªããšã¯ããããã®åå®ãã©ã®ããã«äž»ãªè²¡ç£ãä¿åããã®ã-æ»ïŒé£äººãšã®ãªã³ã¯ã®æ»ãå«ãïŒãçãæ®ãããã«ïŒ
BGP
äž»ãªã€ã³ã¿ãŒããããããã³ã«ïŒãã©ãã£ãã¯ã§ã¯ãªãéèŠåºŠã«ããïŒã¯ãBGPïŒå¢çã²ãŒããŠã§ã€ãããã³ã«ïŒã§ãã ãã®ãããã³ã«ã¯ãèªåŸã·ã¹ãã ã®æ¥åéšãã€ãŸããããã¯ãŒã¯ã®å€éšã«ãããããã€ããŒ/ãªãã¬ãŒã¿ãŒã®ã«ãŒã¿ãŒéã®éä¿¡ã«äœ¿çšãããŸãã
ã€ã³ã¿ãŒãããã®äœæ¥ã«åå ããŠããåèªåŸã·ã¹ãã ã¯ãåãå
¥ããã«ãŒããšã¢ãããªã³ã¯ã
éç¥ããŸãã ããããå€ãã®èªåŸã·ã¹ãã ããããŸãã æ°åäººïŒ ãã¹ãŠã®çºè¡šã®å®å
šãªãªã¹ãã¯ãã«ãã¥ãŒãšåŒã°ããææå°çäžã®ã€ã³ã¿ãŒãããå
šäœã®ååšã説æããŸãïŒç§ãç¥ãéããææã®å€åŽã«ã¯èªåŸã·ã¹ãã ã¯ãªããå°äžã«ãŒã¿ãŒãä»ããŠãã©ãã£ãã¯ãã«ãŒãã£ã³ã°ããåã
ã®ããŒãã®ã¿ããããŸãïŒã ãã«ãã¥ãŒã¯éåžžã«å€§ããïŒipv4ã®400,000ãšã³ããªæªæºãããŒããŠã§ã¢ãšãœãããŠã§ã¢ã«å¿ããŠ200MBãã2GBã®ãµã€ãºïŒã
ãã«ãã¥ãŒã«ãŒã¿ãŒã«ã¯ããã©ã«ãã²ãŒããŠã§ã€ãå¿
èŠãªãããšã«æ³šæããŠãã ããããã®åã«ã¯ã€ã³ã¿ãŒãããå
šäœã®ãããããããŸãã
ãªãã¬ãŒã¿èªèº«ãã¢ããŠã³ã¹ããå¿
èŠã®ãããã¬ãã£ãã¯ã¹ïŒãããµã€ãºãŸãã¯å¥ã®ãµã€ãºã®ãããã¯ãŒã¯ã®ãã©ã°ã¡ã³ãïŒã決å®ããããã誰ãä»ããŠãã©ãã£ãã¯ãåä¿¡ããããæå®ã§ããŸãã ããšãã°ããè¯ããšé«äŸ¡ããšãå®ããã®ã©ã¡ãããéžæãããšããªãã¬ãŒã¿ãŒã¯å®ãæ¹ã奜ããããããŸããã ãããŠãäºåãšããŠæ®ãããã«ãé«äŸ¡ãã
ããã«ãããªãã¬ãŒã¿ããã©ãã£ãã¯ãåä¿¡ããå Žæããšããã©ãã£ãã¯ãéä¿¡ããå Žæããçãããªãããšãéåžžã«éèŠã§ãã ãããã¯ãããããé察称ã«ãŒãã§ãã ãããã®å€èŠ³ã¯ãçµæžæ¿çãšè²ªæ¬²ã®çµæã§ãã
æ§ãããªé察称ã«ãŒãã®äŸã次ã«ç€ºããŸãïŒãããã®æçã¯ããµã€ã[3]ã圌èªèº«ã®çºæã®ã«ãŒãããåãããŸããïŒã ããšãã«åº§ã£ãŠãããªãã¥ã¹ã®ãµãŒããŒããç«ã®åçãèŠæ±ããããšã«ãããšä»®å®ããŸãã ãããã€ãã®ã«ãŒã¿ãŒã¯ãããªãã¥ã¹ã«æãè¿ããªã³ã¯ãã¯ã«ã·ã£ã¯çµç±ã§ããããšãç¥ã£ãŠããŸãïŒç·è²ã®ç¢å°ïŒã ããªãã¥ã¹ã®ãµãŒããŒãã¬ãµã¬ãµé³ãç«ãŠãŠãç«ãèŠã€ããŠç§ãã¡ã«éããŸããã ããããããªãã¥ã¹ã®ãããã¯ãŒã¯ãªãã¬ãŒã¿ãŒã¯ãã¯ã«ã·ã£ã¯ãžã®ã±ãŒãã«ãã©ãã£ãã¯ã®ããã«å€ãã®ãéãããããé®æãããããšãç¥ã£ãŠããŸãã ãããã圌ã¯æ¿æ²»çãªçç±ã§ã¢ã¹ã¯ã¯ã«äº€éãéããŸããã ãããŠã圌ã¯å¥ã®ãªãã¬ãŒã¿ãŒãéããŠãããéããŸãã ãªã¬ã§ã 誰ãåã³åœŒãã¹ããã¯ãã«ã ã«éã£ããã圌ã¯ããã«éã£ãŠããã©ãã£ãã¯ã¯åã³è»¢éãããŸã...ãããŠãåçãããšãã®éå±ããæ奜家ã«ããŸã§ã
ãããã¯ãŒã¯ãçºè¡šããããšã§ããªãã¬ãŒã¿ãŒã¯å¥è·¡ïŒãŸãã¯ææïŒãå®è¡ã§ããããšã«æ³šæããŠãã ããã ãªãã¬ãŒã¿ãŒã¯ãè€æ°ã®ã¢ãããªã³ã¯ãä»ããŠãããã¯ãŒã¯ãã¢ããŠã³ã¹ã§ããŸã-ãã®å Žåããã©ãã£ãã¯ã¯ãã¹ãŠãä»ããŠãããã¯ãŒã¯ã«å°éããããã«ãäœããã®æ¹æ³ã§ã¢ãããªã³ã¯ãéžæãããšãæã䟿å©ãªæ¹æ³ïŒèšå®ã«å¿ããŠããè¿ããããå®äŸ¡ïŒãééããŸãã ã¡ãªã¿ã«ãããã¯ã»ãšãã©ã®CDNïŒã³ã³ãã³ãé
ä¿¡ãããã¯ãŒã¯ïŒã®åºç€ã§ã-ãªãã¬ãŒã¿ãŒã¯äžçäžã®ãµãŒããŒã®ããŒãã«é
ä¿¡ãããã³ã³ãã³ãã®ã³ããŒãä¿åããããŒã«ã«ãªãã¬ãŒã¿ãŒãšå€ãã®ãžã§ã€ã³ããæã¡ããã®ïŒåãïŒã¢ãã¬ã¹ãã©ãã§ãã¢ããŠã³ã¹ããŸãã ãŠãŒã¶ãŒã¯åå°åã§ïŒã«ãŒãã«æ²¿ã£ãŠïŒèªåã«æãè¿ããµãŒããŒã§ãªã¯ãšã¹ããåä¿¡ãããããããææã®åšããå°ãããããã¯ããã«é«éã§ãããšçããŸãã
ãŸããããšãã°ããªãã¬ãŒã¿ãŒã¯äœæã®äžéšãçºè¡šããªãå ŽåããããŸãã ãã®å Žåããã©ãã£ãã¯ã¯æåã®ã«ãŒã¿ãŒã§åæ¢ãããã以äžã®æ¹æ³ã¯ãªãããšãããããŸããã
ããã«ãæè¿ã®ãããã¯ãŒã¯æ©åšã®çæäœæ¥äžã«åŸãããåºåã®äŸã瀺ããŸãã ã«ãŒã¿ãŒãšãã®ã¢ãããªã³ã¯éã®BGPã»ãã·ã§ã³ã®å®äºã«é¢ããæ
å ±ãã€ã³ã¿ãŒãããäžã§åå²ããã«ã€ããŠããã©ãã£ãã¯ã¯ã«ãŒã¿ãŒã«ããã«éä¿¡ããããããŸã§ãã©ãã£ãã¯ã®éä¿¡å
ãããã£ãŠãããšèããããŠããŸããã ãã®çµæã255åã®åžæïŒã€ãŸãã255åã®ã«ãŒã¿ãŒéã®éä¿¡ïŒã®åŸããã±ããã¯å€ãæ代ã«æ»ã«ãå®å
ã«å°éããããšã¯ãããŸããã§ããã
PING selectel.ruïŒ188.93.16.26ïŒ56ïŒ84ïŒãã€ãã®ããŒã¿ã
ae0-0.par-gar-score-2-re1.interoute.netïŒ212.23.42.26ïŒããicmp_seq = 51åç¶å¯èœæéãè¶
é
ae-3-80.edge5.Frankfurt1.Level3.netïŒ4.69.154.137ïŒããicmp_seq = 54åç¶å¯èœæéãè¶
é
xe-0-2-1.par72.ip4.tinet.netïŒ89.149.181.138ïŒããicmp_seq = 68åç¶å¯èœæéãè¶
é
94.79.28.33ããicmp_seq = 72åç¶å¯èœæéãè¶
é
so-0-0-0.IL2.NYC12.ALTER.NETïŒ146.188.15.254ïŒããicmp_seq = 92åç¶å¯èœæéãè¶
é
188.93.16.26ãã64ãã€ãïŒicmp_seq = 326 ttl = 58 time = 0.732 ms
ã¢ãããªã³ã¯ã¢ãããªã³ã¯ïŒãã£ã¢1
ã¢ãããªã³ã¯ã«ã¢ãããªã³ã¯ãããå Žåãç¡éã®æ°ã®ã¢ãããªã³ã¯ããããããªã³ã°ã§éããããŠããããã¢ãããªã³ã¯ããªãã¢ãããªã³ã¯ããããšããåçŽãªè«ççæšè«ã§ç°¡åã«ç解ã§ããŸãã
ãããŠããã®ãããªãã®ããããŸãã ãããã¯
ãã£ã¢1ãšåŒã°ããŸãã ä»ã®çãšã®éãã¯ã圌ããã¢ãããªã³ã¯ãæã£ãŠããªããšããããšã§ã¯ãããŸããïŒçµå±ãç§ãã¡ã¯ãããã¯ãŒã¯ãæã£ãŠããŸããæ£åŒãªæå³ã§ã¯ãããã/ããã ã¯ãããŸããïŒã æ°çŸã®ã¬ããã/ç§ïŒãã©ãããïŒïŒã®ãã©ãã£ãã¯ãåä¿¡ããåãéãéä¿¡ããäŒç€Ÿãæ³åããŠãã ãããããã¯ãã¹ãŠç¡æã§ãã ç¡æã®ã€ã³ã¿ãŒããããå©çšããã«ã¯ãæå¯ãã®ãã¯ããã«ã/ã¹ã¿ãŒããã¯ã¹ã®è¿ãã«è¡ããWi-FiãèŠã€ããå¿
èŠããããŸã...æ®å¿µãªãããTier 1ã¯ãããè¡ããŸããã ãã£ã¢1ã«ãªãã«ã¯ããã1ã€ã®æ¡ä»¶ãå¿
èŠã§ããããã¯ãã€ã³ã¿ãŒãããã®æéãæ¯æããããšããããšã§ãã ãããã£ãŠã圌ãã¯èª°ã«ãæ¯æããªãããæ¥ç¶ã«å¯ŸããŠã¯æ¯æãããã
ããã¯ããããã®ãªãã¬ãŒã¿ãŒã®éåžžã«è¯å¥œãªæ¥ç¶æ§ïŒãžã§ã€ã³ãã®æ°ïŒã«ãããã®ã§ãã æããã«ããã®å Žæã¯ãšãŠãå±
å¿å°ãè¯ããé
æçã§ãããããå€ãã®äººãããã«å°ãä»ããŠããŸãã ãã£ã¢1ããäºãã®ãåãã§ããæ¹æ³ã®è©³çŽ°ã¯ãnag.ru [4]ã«è©³ããèšèŒãããŠããŸãã
ãã¡ããããã¢ãªã³ã°ããããŠãã¥ãã¹ã®åå©
å€æããããã«ãTier 1ã¯ãã¹ãŠãããéãåãåãã誰ã«ãå¯ä»ããŸããã ãã©ãã£ãã¯ã®å€ããªãã¬ãŒã¿ãŒã2人ããå ŽåïŒããšãã°ãããã¯åç«ã«é¢ããæ°çŸäžã®ãããªãšåç«ãèŠãããšé¡ãæ°çŸäžäººã®æ°ããmegatelecomãå«ãå¥ã®YouTubeãã©ãŒã§ãïŒãçæ³çãªïŒãã£ã¢1ãªãã¬ãŒã¿ãŒã®èŠ³ç¹ããïŒç»åã¯æ¬¡ã®ããã«ãªããŸãïŒãã£ã¢1ããã³ãã©ãã£ãã¯ã®æ¯æãã çºä¿¡çšã®YouTubeãã©ãŒãçä¿¡çšã®åç«åä¿¡è
ã ãã£ã¢1ã¯æºè¶³ããŠãããYouTubeãã©ãŒã¯åç«ã®åçåã«é©ããã¢ãã«ãèŠã€ããããšãã§ãããã¡ã¬ãã¬ã³ã ã¯äºç®ããã®è£å©éãæ±ããŠããŸãã
解決çïŒ ã±ãŒãã«ãå¿«é©ãªã¹ã€ããã³ã°ã«ãŒã ã«ãã©ãã°/ã¬ã³ã¿ã«ããããŒã«ã«ãšã¯ã¹ãã§ã³ãžãã»ããã¢ããããŸãã YouTubeããMega Telecomãžã çµè«ïŒã®ã¬ãã€ãã®åç«ã¯çŽæ¥ç§»åããã³ã¹ããåæžãããŸãã Tier 1ã¯ããŸãæºè¶³ããŠããŸãããã圌ã®ä»äºã¯åç«ãé転ããããšã§ã¯ãªãããæãã¯ãŒã«ãªçµæããããããšã§ãã
ãã®ãããªæ¥ç¶ã¯ããã¢ãªã³ã°ïŒãã¢ããïŒãšåŒã°ããŸãã ãã®äž»ãªæ¡ä»¶ã¯ããã¢ãªã³ã°åå è
ããäºãã«æ¯æãããã§ã¯ãªããæ¯æãã®ã§ã¯ãªããããŒã/ç©çãªã³ã¯ã®äžéšãã¬ã³ã¿ã«ããããã®ã°ãããéé¡ã§ãã
ãã€ãŠããæ°ã«å
¥ãã®ãã¢ããŒãã¢ã®æ¹åã¯ãã³ã³ãã³ããžã§ãã¬ãŒã¿ãŒããšãã€ã³ã¿ãŒããããããã€ããŒãã§ããã ããããããã¯å§ãŸã£ã...ãããã¹ã¿ãŒãã·ã£ã¬ã¢ããšãã³ããŒãDCããããŠèäœæš©ãã¡ã³ãã¡ãŒã¬ã®ãã©ã³ãããã®å£°ã®äžã§...æ¥æµã çªç¶ãããŠãŒã¶ãŒéãã®ãã©ãã£ãã¯éã¯ãã³ã³ãã³ããããã€ããŒãšæ¶è²»è
éã®ãã©ãã£ãã¯ã®æ°åã«ãªããŸããã YouTubeãšãã®ã¯ããŒã³ãç°¡åã«ç«¶åã§ããå Žåããå€ãã®æåãåçãå°ãªãããµã€ãïŒããšãã°ãHabrahabrïŒã¯ãæããã«ãã¹ãŠã®FuturamaãšSimpsonsã1ããã¯ã§ããŠã³ããŒããããããè¿ããŠãŒã¶ãŒã«è¿œãã€ãããšãã§ããŸãããã¬ãŒã2ã
ãã®ããããããã€ããŒéã®ãžã§ã€ã³ãã¯ç¹ã«äººæ°ããããŸãã å€ãã®ãããã€ããŒããããã¯ãŒã¯å
ã§NATããã³ã°ã¬ãŒã¢ãã¬ã¹ãäœæãããã¢ãªã³ã°ãã°ã¬ãŒã¢ãã¬ã¹ã«å°éãããããã€ããŒãã€ã³ã¿ãŒãããã®ã¿ã«é¢çšã課ããLANãšã®ãã¢ãªã³ã°ãäžéã§è¡ããããšããäºå®ã«ãããŸãã
ãã®çµæããªãã¬ãŒã¿ãŒã¯ãã©ãã€ãèŠæš¡ã®å·šå€§ãªãã©ãã£ãã¯ã®æäžã«ãããŸããã
ãããã£ãŠããã¢ãªã³ã°ã¯äž¡æ¹ã®ãªãã¬ãŒã¿ãŒã«ãšã£ãŠæçã§ãã ã©ã¡ããããžã§ã€ã³ãã®ããŒããšããã®ãžã§ã€ã³ãã®äœããã®ãµãŒãã¹ã®ã¿ãæ¯æããŸãã äž¡æ¹ãšãç¯çŽ...ããžãã¹ãç¯çŽã§ããã°ãããã¯è¯ãããšã§ãã ããžãã¹ã®ç«¶äºçžæãç¯çŽãããšããããã¯æªãã§ãã ãã®ããã倧ããªäŒæ¥ããªã·ãŒãäœçšããŸãã
10 Gb / sã®ãã©ãã£ãã¯ãæã€ãããã€ããŒAãš1 Gb / sã®ãã©ãã£ãã¯ãæã€ãããã€ããŒBãããããããã®éã®ãã¢ãªã³ã°ã®ããããã®éã500 MB / sã§ããå Žåã...
...ãŸããã»ãšãã©ã®å Žåãé«ééè·¯ã¯95ïŒ
ã®ããŒã»ã³ã¿ã€ã«ã§è»ç·ã«ãéããããŠããããã®ããã«çºä¿¡ãŸãã¯çä¿¡ããããŸããã
ãããã£ãŠãAãšBã®éã«ãã¢ãªã³ã°ãããå ŽåãAã¯ãã¢ãªã³ã°ã®ãã©ãã£ãã¯ã®5ïŒ
ãç¯çŽããBã¯50ïŒ
ãç¯çŽããŸãã æããã«ãAãšBã競åçžæã§ããå Žåããã¢AãæåŠããŠãã»ãšãã©äœã倱ãããŸããããBã¯Aã«ãã©ãã£ãã¯ãããããããã«å€§éã®ã¢ãããªã³ã¯ãæ¯æããŸãã
ããã«æªãããšã«ãAãBãBã®3ã€ã®æŒç®åãããå ŽåãAãšBã¯å€§ããããããã®éã«10 Gb / sã®ãžã£ã³ã¯ã·ã§ã³ããããã»ãšãã©è©°ãŸã£ãŠããŸãã Bã¯å°ããã500 Mb / sãããããŸããã AãšBã¯ãã¡ããã§ãããBã¯èš±å¯ãããŠããŸããã Bã¯ã¢ãããªã³ã¯ã«è¡ããèŠåŽããŠçšŒãã ãéãæ¯æããŸãã AãšBãžã®ãã©ãã£ãã¯ã®å ŽåããããŠãã»ãšãã©ã®ãŠãŒã¶ãŒã¯AãšBãæã£ãŠããã®ã§ãã»ãšãã©ã®ãŠãŒã¶ãŒã¯ãã©ãã£ãã¯AãŸãã¯Bã®éåä¿¡ãæãã§ããŸããã¢ã©ã€ã¢ã³ã¹AãšBã®å Žåããã¹ãŠãæ£åžžã§ã-ãã©ãã£ãã¯ã®å€§éšåã¯ããŒã«ã«ã§ã競åä»ç€Ÿã¯è¡ããŸãèæã®ãã³ç²ã Bã®å Žåãããã¯ã»ãšãã©ã®ãã©ãã£ãã¯ãææã§é«äŸ¡ã§ããããšãæå³ããŸãã
ãããã£ãŠã2人ã®å€§ããªå人ãããã³Bã¯ãã¹ãŠæªãïŒé«äŸ¡ïŒã§ãã ãããŠãããã€ãã®å€§èŠæš¡ãªäºæ¥è
ãéãŸãããããžãã¹ããèšç«ããããšã決å®ããããšãèµ·ãããŸãã çµç¹ç¯çœªã°ã«ãŒããå€æããŸããã ããããçµç¹ç¯çœªã°ã«ãŒãã®ããã«ãããã¯å±æ ¹ã®ãã人ã
ããæŸãåºãããæµæãã人ã
ãæŒãã€ã¶ãå§ããŸãã ãŸããããªãã¯ç解ããŠããã誰ããé£ã¹ããã§ãã
...ãããçµç¹ç¯çœªã°ã«ãŒãã¯éåžžã«ç¡éªæ°ã«çµ±åãããŠããŸã-ãŠãã€ããããã¢ã°ã«ãŒãã§ãã ããã«ã€ããŠããå°ã詳ããã¯ãKipchatovã®ããã°[5]ãã芧ãã ããã
æ²ããããªããã¢ãªã³ã°ããããæŠäºãååšããä»åŸãååšããŸãã ã¡ãã·ã¥ãããã¯ãŒã¯ã¯ãŠãŒã¶ãŒã«ã¯é©ããŠããŸãããã€ã³ã¿ãŒãããã§ãéã皌ã人ã«ã¯é©ããŠããŸããã
ãã¢ãªã³ã°ã¯éåžžã«äººæ°ã®ãããµãŒãã¹ã§ããããããã¢ãªã³ã°ã®æäŸã®ã¿ã§ããžãã¹ãæ§ç¯ããäŒæ¥å
šäœãååšããŸãã ãã®å Žåãããã€ãã®æ¹æ³ããããŸãã
- çŽæ¥åãæ¿ã ãªãã¬ãŒã¿ãŒAã¯ãªãã¬ãŒã¿ãŒBã«ç©ççã«çªãåºãããŸã
- ãã¢ããŒãã¢ã¹ã€ãããä»ããéä¿¡ã ãã®æ¹æ³ã®å©ç¹ã¯ã1ã€ã®ããŒããæã¡ãåãã¹ã€ããã«ååšããè€æ°ã®ãªãã¬ãŒã¿ãŒãšéä¿¡ã§ããããšã§ãã
- ã«ãŒãã£ã³ã°ãµãŒã㌠ããã¯æãç¹çŽ°ã§ãšã¬ã¬ã³ããªåãã§ããåãã¢ãªã³ã°ãªãã¬ãŒã¿ãŒã¯ããã¢ãªãã¬ãŒã¿ãŒã®ã«ãŒã¿ãŒãµãŒããŒãšã®æ¥ç¶ã確ç«ãããã¢ãªã³ã°æ¥ç¶ããããã¹ãŠã®ãªãã¬ãŒã¿ãŒã«ãã£ãŠã¢ããŠã³ã¹ããããã¹ãŠã®ã«ãŒããåä¿¡ããŸãã åæã«ãå€éšã®ãªãã¶ãŒããŒã®å ŽåãèªåŸçãªãã¢ããŒãã¢ãªãã¬ãŒã¿ãŒã·ã¹ãã ã¯ã«ãŒãã«è¡šç€ºãããŸããã ãã®å Žåããã¢ããŒãã¢ãªãã¬ãŒã¿ãŒã¯éåžžããã©ãã£ãã¯ã«ãéããããŸãããã¢ãããªã³ã¯ãšããŠæ©èœãããå®éã®ããããã€ããŒãããå°ãªããªããŸãã
ã€ã³ã¿ãŒãããäžã®ãã©ãã¯ããŒã«
ãã®åå§æ§ã«ãããDoSæ»æïŒéåžžã¯DDoSãè¿œå ããã®ã奜ãã§ãããåæ£ã¯åå¥ã®äŒè©±ã§ãïŒã¯å®è£
ãéåžžã«ç°¡åã§ãã Cã«ã¯æ°åè¡ãã·ã§ã«ã«ã¯1è¡ããããŸãããããŠä»ã次ã®ã³ã³ãã¥ãŒã¿ãŒã¯ç¡æå³ãªãã©ãã£ãã¯ã§ã€ã³ã¿ãŒãããå
šäœãå°ç¡ãã«ããããšããŠãæ¿ããããã·ã¥ããŠããŸãã ãã®ãããªã³ã³ãã¥ãŒã¿ãè€æ°åéãããšãã®ã¬ãã€ããæ°åã®ã¬ãã€ããæ°çŸã®ã¬ãã€ãã®ãžã£ã³ã¯ã¹ããªãŒã ãååŸã§ããŸãã
ãã®ãã¹ãŠã®ãŽãã1ã€ã®ã¢ãã¬ã¹ã«éä¿¡ãããå Žåãåé¡ã¯ãããŸãã çä¿¡ãã£ãã«ãã倩äºãã«è©°ãŸã£ãŠãããè¯å¿çãªãŠãŒã¶ãŒã¯åã«ãªã¯ãšã¹ããéä¿¡ã§ããŸããã
åé¡ã¯ãç¹å®ã®ãµãŒããŒã®ãã£ãã«ã ãã§ãªãããªãã¬ãŒã¿ãŒã®çä¿¡ãã£ãã«ãè©°ãŸãå¯èœæ§ãããããšã§ãïŒã¯ãããããèµ·ãããŸãïŒã ãªãã¬ãŒã¿ãŒéã®ãã£ãã«ãžã®æ¯æãæ¹æ³ïŒ95ïŒ
ããŒã»ã³ã¿ã€ã«ïŒãèæ
®ãããšãé·æéã«ããã倧éã®ã¬ããŒãžãã©ãã£ãã¯ã®æµãã¯æããã«éçç£çãªã³ã¹ãã§ãã
æãåçŽãªå®¶åºçšãœãªã¥ãŒã·ã§ã³ã¯ããœãŒã¹ãæãè¿ãã«ãŒã¿ãŒãŸãã¯ã¹ã€ããã«ããããã§ç»é²ããããšã§ãã ãããã第äžã«ãçä¿¡ãã£ãã«ã¯ãŸã æ··éããŠããããšãããããŸãã第äºã«ã代éãæ¯æããªããã°ãªããŸããã第äžã«ãã誰ãçŠæ¢ãããããšããåé¡ã«çŽé¢ããŠããŸãã ãã¹ãŠã®ãã©ãã£ãã¯ã1ã€ãŸãã¯2ã€ã®ã¢ãã¬ã¹ããæ¥ãå Žåãã¿ã¹ã¯ã¯ç°¡åã§ãã ããããåœã®éä¿¡è
ã¢ãã¬ã¹ã§æŽªæ°Žãèµ·ããã®ã¯ç°¡åãšãããããç°¡åã§ãã ãããã£ãŠãéåžžã«ç·æ¥ã®ç¶æ³ã§ã¯ãåä¿¡è
ã®ã¢ãã¬ã¹ããããã¯ãïŒã¯ãã圌ãã¯é£äººãæãããã«ãèªçºçã«æ»ã¬ãïŒããã®ã¿ã¹ã¯ãBGPã®ãã©ãã¯ããŒã«ã«è»¢éããŸãã éåžžã®èšå®ã§ã¯ãèŠç¥ãã¬äººã§ã¯ãªãç¬èªã®ã¢ãã¬ã¹ãè¿œå ããå¿
èŠããããŸãããåæãŸãã¯äžæ³šæã«ããã¢ãããªã³ã¯ã§ä»ã®äººã®ã¢ãã¬ã¹ãã¢ããŠã³ã¹ã§ããå Žåã¯ããããå®è¡ã§ããŸãã
ãã©ãã¯ããŒã«BGPã®æè¡çãªéšåã«ã€ããŠã®è©±ã¯ãããã«ãããŸã[6]ã
ã©ã®ããã«èŠããŸããïŒ ç¹å¥ãªã³ãã¥ããã£ããã©ãã¯ããŒã«ã«å²ãåœãŠããïŒçžå¯Ÿçã«èšãã°ãå¥ã®ç¹å¥ãªå°ããªãã«ãã¥ãŒïŒããããã€ããŒã¯/ 32ãã¬ãã£ãã¯ã¹ïŒipv4çšïŒã§ã¢ãã¬ã¹ãã¢ããŠã³ã¹ã§ããŸãã 圌ãã¯åœŒã«ããã³ããã¯ãªçªå·666ãäžããŸãããå¢çã«ãŒã¿ãŒã¯BGPãä»ããŠãã®æ
å ±ã亀æããŸãããã®ããããã©ãã¯ããŒã«ã¯å¿ã³å¯ã£ãŠããããã®ã¢ããŠã³ã¹ãèŠãïŒããã³ãµããŒãããïŒãã¹ãŠã®ã«ãŒã¿ãŒã§çŠæ¢ã¢ãã¬ã¹å®ã®ãã¹ãŠã®ãã©ãã£ãã¯ããã£ããåžåããŸãã ãã®çµæããç ç²è
ããžã®ãã©ãã£ãã¯ã¯ãã¢ãããªã³ã¯ãã¢ãããªã³ã¯ãã¢ãããªã³ã¯ãªã©ã§ãæ»æå
ã«æãè¿ããç解ããŠãããã«ãŒã¿ãŒãžãšãããããå§ããŸãã ãããã¯è²§åŒ±ãªãã©ãã£ãã¯ã§ãããããããããã®ã§ãã€ã³ã¿ãŒãããæ»æã¯æ°ä»ããªãã§ãããã ãã ããã«ãŒã¿ãŒã¯ãè¯ãããŸãã¯ãæªãããã©ãã£ãã¯ãèŠã€ããããšãã§ããªããããã¢ãã¬ã¹ã¯ã€ã³ã¿ãŒãããããã¢ã¯ã»ã¹ã§ããŸããã
åç
§è³æ
æ
å ±ãæäŸããèšäºã®äžæ£ç¢ºããææããŠãããååã«æè¬ããŸãããŸããTirexã®å³é¢ã«ã€ããŠã¯borisbladeã«æè¬ããŸãã