æŠèŠ
- æ¬èšäºã®å 容:RIPE NCC ã¯ãã¬ãžã¹ããªã»ã¬ããã³ã¹ãšå¶åºŠçµæžåŠã®åé¡ãšããŠãã³ã³ã»ã³ãµã¹ã»ãã£ããã£ãŒã®èгç¹ããæ€èšãããŠããŸãã察象å°åã¯æ¬§å·ãšäžæ±ã§ãã
- äž»ãªããŒã:ãããã¯ãŒã¯è³æºã®ãšããã³ã¹; ã¬ãžã¹ããªã»ã¬ããã³ã¹; å¶åºŠçæ£åœæ§; ã³ã³ã»ã³ãµã¹ã»ãã£ããã£ãŒ
- èæ¯:ã¬ããã³ã¹ / èª¿æ» / 欧å·ã»äžæ±
ã³ã³ã»ã³ãµã¹ã»ãã£ããã£ãŒã¯è æãšåãã§ã¯ãããŸãããå¯å®€ã®äŒåãç§å¯ã®åæãæªæããããã¯å šå¡ã«å¯ŸããŠå ±è¬ããéããããå éšã°ã«ãŒããå¿ èŠãšããŸãããæè¡ã³ãã¥ããã£ã«ãããŠããã£ããã£ãŒã¯å ¬å ±ãµãŒãã¹ã®ããã«èŠããããšããããŸããåã人ã ãã¡ãŒãªã³ã°ãªã¹ãã®ãã¹ãŠã®ã¹ã¬ãããèªã¿ã以åã®è°è«ãèŠããŠãããææ¡ãè°è«ããã¬ãã¥ãŒãžç§»è¡ããã¿ã€ãã³ã°ãç¥ã£ãŠãããè°é·ãæåŸ ããçšèªãçè§£ããŠãäŒåã«åå ããä»ã®åå è ãæåã®ä»äºã«æ»ã£ãåŸã§ããäžå¯§ãªå察æèŠãæžããšãã«ã®ãŒãæ®ã£ãŠããŸãããã¢ã¯éãããŠããŸããã¢ãŒã«ã€ãã¯å ¬éãããŠããŸããæç¶ãã¯çŸå®ã§ããããããéšå±ã«æ®ãããã®ã³ã¹ããé«ãããã圱é¿åã¯éäžããŸãã
RIPE NCC ã¯ããã®æ¿æ²»æåãè£ é£Ÿçã§ã¯ãªããããç¹ã«é¢å¿æ·±ãäºäŸã§ããRIPE ã®æ¿çããã»ã¹ã¯å ¬éãããŠãããããã¹ãããŒã¹ã§ãã¢ãŒã«ã€ãåãããæ£åŒã¡ã³ããŒä»¥å€ã«ãéæŸãããŠããŸããã¯ãŒãã³ã°ã°ã«ãŒãã¯ã¡ãŒãªã³ã°ãªã¹ãã RIPE äŒåã§ææ¡ãè°è«ããŸããè°é·ãã³ã³ã»ã³ãµã¹ã®æç¡ã倿ããŸããRIPE NCC ã¯å®è£ è©äŸ¡ãå ¬è¡šããåãå ¥ããããæ¿çã宿œããŸããRIPE NCC ã®ã¡ã³ããŒã§ãªããŠããæ¿çã®å Žã§çºèšããããšãã§ããŸããå€ãã®ã€ã³ãã©ã¹ãã©ã¯ãã£ãŒã·ã¹ãã ãšæ¯èŒããŠãããã¯çå£ãªéæŸæ§ã®å®çžŸã§ãã
ãã®åŒ·ã¿ãããªã¹ã¯ãåæãã䟡å€ãããçç±ã§ããããŸãããã®ãããªã·ã¹ãã ã«ããããã£ããã£ãŒã¯ããã£ãã«æé€ãšãã圢ã§ã¯çŸããŸãããããã¯ãå¿èåãã¢ãžã§ã³ãã®ç¿çãæç¶ãäžã®æµæ¢ãããããŠç¹°ãè¿ãããåå ãæš©åšãžãšãã£ãã倿ãããããšãšããŠçŸããŸããããã»ã¹ã远ãç¶ããäœè£ã®ãã人ã ããçå£ãªå察æèŠãšããŠäœãã«ãŠã³ããããããå®çŸ©ãã人ã ãšãªããŸããäœè£ã®ãªã人ã ã¯ãèŠçã®ç¬éã«ããçŸããããã®é ããç»å Žã¯ã圌ãã®æžå¿µãçãã忥çã§ãã³ãã¥ããã£æåãäžååã§ãããšãã蚌æ ãšããŠæ±ãããããŸããã
åãã¯ãã³ã³ã»ã³ãµã¹ã®å¯Ÿè±¡ãå€åããããã«ãããæ·±å»ã«ãªã£ãŠããŸããRIPE NCC 㯠2019 幎 11 æã«æ®ãã® IPv4 ããŒã«ã䜿ãæãããŸãããçŸåšã®ãŠã§ã€ãã£ã³ã°ãªã¹ãçµè·¯ã§ã¯ã驿 ŒãªããŒã«ã«ã€ã³ã¿ãŒãããã¬ãžã¹ããªã«ãååããã空éãã/24 ãæäŸãããå¯èœæ§ããããŸããæ¬æ Œç㪠IPv4 èœåã¯ã移転ãå䜵ãã¬ã¬ã·ãŒãªãœãŒã¹ã®æŽæ°ããªãŒã¹ããã£ãªã¢ã°ã¬ãŒã NATãã¢ãã¬ã¹å ±æããã©ã€ããŒãå¥çŽããã㊠IPv6 ãžã®äžåäžãªç§»è¡ãéããŠæç«ããŸãããã€ãŠå²ãåœãŠã«ãŒã«ã®ããã«æãããæ¿çã¯ãä»ãæµåæ§ã®ã³ã¹ããæ¢åä¿æã®äŸ¡å€ãå°èŠæš¡äºæ¥è ã®äº€æžåãRPKI ãéåŒã DNS ã«é¢ãããªã¹ã¯ãäŒæ¥éã®åžå°ã¢ãã¬ã¹ãªãœãŒã¹ç§»è»¢ã®äŸ¡æ Œã圢æããŠããŸãã
ãã®äžçã§ã¯ãã³ã³ã»ã³ãµã¹ã¯åãªãæåçãªçŸåŸ³ã§ã¯ãããŸãããããã¯ãæºè³æ¬çãªãªãœãŒã¹ã«é¢ããã«ãŒã«ãäœãåºãæ¹æ³ã§ããã¡ãŒãªã³ã°ãªã¹ãã§ã®æ±ºå®ãã移転ããã容æã«ããããã¯ããå°é£ã«ããåŸ æ©æéãä¿æãŸãã¯ç·©åããã¬ã¬ã·ãŒãªãœãŒã¹ã®äžç¢ºå®æ§ã®åŠçæ¹æ³ãå®ããæžé¡ã®è² æ ãå¢ãããRPKI 倱å¹ã®å®åã倿ŽããéåŒã DNS ã®ç¶ç¶æ§ãå€ããç¹å®ã®ãŠãŒã¹ã±ãŒã¹ãæ£åžžãäžå¯©ããŸãã¯ç¯å²å€ãšæ±ãããããæ±ºãããããå¯èœæ§ããããŸãããšã³ãã£ãã£ã¯ã管çãæè¡çç§©åºãã³ãã¥ããã£ã®å¥å šæ§ãæ£ç¢ºæ§ã®èšèªã§çºèšã§ããŸããåžå Žã¯çµæãã³ã¹ããé å»¶ãæµåæ§ãå²åŒã亀æžã¬ãã¬ããžãšããŠèªèããŸãã
ç®çã¯åžžé£ãšã³ãã£ãã£ãéé£ããããšã§ã¯ãããŸãããRIPE ã®åžžé£ã¯ãã·ã¹ãã ãæ©èœãããå€ãã®äœæ¥ãè¡ã£ãŠããŸãã圌ããããªããã°ãæ¿çã¯ããé ããããèããäžæçãªå©çã®çªç¶ã®åå¡ã«è匱ã«ãªããŸããå ¬å ±éžæã®åé¡ã¯ãã埮åŠã§ããåå ã圢åŒçã«éæŸãããŠãããå®è³ªçã«ã³ã¹ããé«ãå Žåãåå ã³ã¹ãã®äœãè ãæç¶çãªåœ±é¿åãç²åŸããŸããæéãçµã€ã«ã€ãã圌ãã®åæãã³ã³ã»ã³ãµã¹ã®éåžžèšèªãšãªããŸããçµæã¯æç¶ãçã«æå¹ã§ãçµæžçã«åã£ãŠããå¯èœæ§ããããŸãã
éããããã¢ãšé«äŸ¡ãªåž
RIPE ã®æ¿çããã»ã¹ã®å ¬éçã¯ãå ·äœçã§ããããé åçã§ããææ¡ãå ¬è¡šã§ããŸããã¡ãŒãªã³ã°ãªã¹ãã®ã¢ãŒã«ã€ããèªãããšãã§ããŸããã¯ãŒãã³ã°ã°ã«ãŒãã¯äŒåã§ããã¹ããè°è«ã§ããŸããè°é·ã¯ã³ã³ã»ã³ãµã¹ã宣èšã§ããŸããRIPE NCC ã¯å®è£ ã«é¢ããèŠè§£ãå ¬è¡šã§ããŸããæé ãšèšé²ããããçŽç²ãªè£éã§ã¯ãããŸããããã®ã¢ãŒããã¯ãã£ã¯è»œèŠãããã¹ãã§ã¯ãããŸãããRIR ã·ã¹ãã ãããã»ã©é·ãç¶ããŠããçç±ã®äžã€ã§ãã
ããããæ£åŒãªåå ã¯æåã®ã³ã¹ãã«éããŸããã广çãªåå ã«ã¯ãã©ã®ã¯ãŒãã³ã°ã°ã«ãŒããéèŠããç¥ããéå»ã®ææ¡ãçè§£ããæ¿çããã¹ããæ³šææ·±ãèªã¿ãã³ãã¥ããã£ã®èšãåãã§æžããæ¹èšã远跡ããã¹ã¿ããåæã®åŸã«åã³çŸããã©ã¹ãã³ãŒã«ãç£èŠãããŸã æå³ãããæç¹ã§å察æèŠãè¿°ã¹ãããšãå¿ èŠã§ãããŸããå ¬ã®æèŠã®çžéã忥çã瀟äŒçãè©å€äžã®ã³ã¹ããçããããªããšãã確信ãå¿ èŠã§ãã
å€§èŠæš¡äºæ¥è ã«ãšã£ãŠã¯ãããã¯å²ãåœãŠãããæ©èœãããããŸããããããŒã«ãŒã«ãšã£ãŠã¯ãã¢ãã¬ã¹æ¿çã¯åæ¥æ å ±ã§ããã³ã³ãµã«ã¿ã³ãã«ãšã£ãŠã¯ãè°è«ã«åå ããããšã§è©å€ãæ¯ããããŸããã»ãã¥ãªãã£å°éå®¶ã«ãšã£ãŠã¯ããªã¹ããžã®åå ã¯è·æ¥çã¢ã€ãã³ãã£ãã£ãšéãªãããšããããŸããå°èŠæš¡ãããã€ããå°åãã¹ãã£ã³ã°äºæ¥è ãã¬ã¬ã·ãŒãªãœãŒã¹ä¿æè ãæ§å²ãåœãŠäŒæ¥ããŸãã¯å©å¹ ã®çãåžå Žã®äºæ¥è ã«ãšã£ãŠã¯ãåãããã»ã¹ãã³ã¹ãé«ã§ãã
ã³ã¹ãã¯æéã ãã§ã¯ãããŸãããããã¯ç¿»èš³ã§ããå°èŠæš¡äºæ¥è ã®åé¡ã¯ãã°ãã°å ·äœçã§ãã移転ã®é å»¶ã顧客å¥çŽã劚ãããããããŸãããç¹å®ã®æ³åã§ã¯æžé¡èŠä»¶ãæºããããšãé£ãããããããŸããããªãŒã¹æäŸè ãã¹ãã³ãµãŒåœäºè ããã§ãŒã³ã®äžéšã管çããŠãããããRPKI ã®å€æŽããªã¹ã¯ã䌎ããããããŸãããäºæ¥è ã䜿çšããç»é²ãµãŒãã¹ã«æ¯ã¹ãŠææ°æãé«ããããããããŸãããæ¿çã«åœ±é¿ãäžããããã«ãäºæ¥è ã¯ãã®èŠãã¿ãäžè¬çãªèšèªã«å€æããªããã°ãªããŸãããåé¡ãåã«ç§çãªãã®ã§ã¯ãªããã·ã¹ãã çã§ããçç±ã瀺ããªããã°ãªããŸãããçµéšè±å¯ãªåè«ãäºæ³ããªããã°ãªããŸããããã®åé¡ãæ¿çããã»ã¹ã«å±ããã¡ã³ããŒãµããŒããçäºäŒã¬ããã³ã¹ãå¥çŽäº€æžãåžå Žã§ã¯ãªãããªãæ¿çããã»ã¹ã«å±ããã®ãã説æããªããã°ãªããŸããã
ãã®ç¿»èš³ã³ã¹ãã¯ãè°é·ãã³ã³ã»ã³ãµã¹ãè©äŸ¡ãããã£ãšåããåå ããã£ã«ã¿ãªã³ã°ããŸããã«ãŒã«ã«ãã£ãŠæã圱é¿ãåãã人ã ããåãå ¥ããããæç¶ãäžã®æ¹èšã§ãã®å¹æã説æããèœåãæãäœããããããŸããããããæããã説æã§ãã人ã ãããã®ã³ã¹ããè² æ ãã人ã ã§ã¯ãªããããããŸããããã£ããã£ãŒã¯ãã¢ãéãããããšãã«å§ãŸãã®ã§ã¯ãªããéããããã¢ã®åŸãã®åžãå€ãã®é¢ä¿è ã«ãšã£ãŠæã®å±ããªãäŸ¡æ Œã«èšå®ããããšãã«å§ãŸããŸãã
審è°ã¯åžå Žã§ãã
æ¿çè°è«ã泚ç®ãå°éç¥èãæä¹ åã®åžå ŽãšããŠæ±ãããšãæçšã§ããé貚ã¯ééã ãã§ã¯ãããŸãããæéãä¿¡é Œæ§ãæŽå²çèšæ¶ãæç¶ãäžã®æµæ¢ãããããŠç§çå©çãäžè¬çãªäž»åŒµã«å€æããèœåã§ãããšã³ãã£ãã£ã¯ããã¹ãã圢äœãããã«ãããã®ãªãœãŒã¹ãè²»ãããŸãããªã¿ãŒã³ã¯ããªã¹ã¯ãæžããã圌ãã®åæãåæ ãã奜ã¿ã®ããã©ã«ãèšå®ãä¿æãããããã¯å¥œãŸãªã倿Žãé²ãã«ãŒã«ã§ãã
ããã¯ãšã³ãã£ãã£ãé²éªšã«å©å·±çã«ããããã§ã¯ãããŸãããå€§èŠæš¡ãããã¯ãŒã¯ã®ãšã³ãžãã¢ã¯ãã«ãŒã«ãã«ãŒãã£ã³ã°ã»ãã¥ãªãã£ãåäžããããšå¿ããä¿¡ãããããããŸããããããŒã«ãŒã¯ãæµåæ§ãå¹ççãªå©çšãæ¹åãããšå¿ããä¿¡ãããããããŸãããé·å¹Žã®ã³ãã¥ããã£ã¡ã³ããŒã¯ãä¿å šã®èšèªãã¢ãã¬ã¹ã·ã¹ãã ã®å ¬å ±æ§ãä¿è·ãããšå¿ããä¿¡ãããããããŸãããå°èŠæš¡äºæ¥è ã¯ãææžåã«ãŒã«ãå§åçã§ãããšå¿ããä¿¡ãããããããŸãããå ¬å ±éžæã®çµæžåŠã¯ã·ãã·ãºã ãèŠæ±ããŸããã誰ãåºçŸããã€ã³ã»ã³ãã£ããæã£ãŠãããã誰ãåºçŸãç¶ããäœè£ããããããããŠå¶åºŠãã©ã®ããã«ç®ã«èŠããé£åã圱é¿ãåãã人å£ãšæ··åããããåããŸãã
RIPE NCC ãå·¡ã審è°åžå Žã¯ãããã€ãã®äºæž¬å¯èœãªç¹åŸŽãæã£ãŠããŸãã第äžã«ãåºå®çãªåå ã³ã¹ãã¯å€§èŠæš¡çµç¹ãšåžžé£ã®å°éå®¶ã«æå©ã«åããŸãã第äºã«ãåå ã®ãªã¿ãŒã³ã¯ãããžãã¹ã¢ãã«ãæ¿çã«ææãªãã¬ã€ã€ãŒã«ãšã£ãŠæãé«ããªããŸãããããŒã«ãŒãå€§èŠæš¡ã¢ãã¬ã¹ä¿æè ãã«ãŒãã£ã³ã°ã»ãã¥ãªãã£å°éå®¶ãã³ã³ãµã«ã¿ã³ãããããŠå€§èŠæš¡ãªç§»è»¢ãèªèšŒã«ãããããäºæ¥è ã§ãã第äžã«ãäžåšã®ã³ã¹ãã¯å»¶æãã忣ãããŸããå°èŠæš¡äºæ¥è ã¯ã移転ãç£æ»ãRPKI åé¡ããŸãã¯æ°ãæåŸã®ææ°ææç¥šã«çŽé¢ãããŸã§ãã«ãŒã«ãéèŠã§ããããšãç¥ããªããããããŸããã第åã«ãåºç¯ãªä»£è¡šã®å©çã¯å ¬å ±è²¡ã§ãã誰ããããè¯ãæ å ±ã«åºã¥ããæ¿çããæ©æµãåããŸãããåã ã®å°èŠæš¡ä¿æè ã«ã¯ããã¹ãŠã®å°èŠæš¡ä¿æè ã®ããã«ããã»ã¹ãæ¹åããããã«äœæ¥ãè²»ãã匷ãã€ã³ã»ã³ãã£ãã¯ãããŸããã
ãããã®ç¹åŸŽã¯ãé°è¬ãªãã«åœ±é¿åã®éäžãçã¿åºããŸããå°æ°ã®é¡ãªãã¿ã®ãšã³ãã£ãã£ãã¹ã¬ãããæ¯é ããããšããããŸãããªããªã圌ãã«ãšã£ãŠåå ããã©ã¹ã®æåŸ ãªã¿ãŒã³ãæã€ããã§ããä»ã®äººã ã¯å¯èªè ãšããŠãã ä¹ãããããè°è«ãç¡èŠããããç§çãªé©å¿ãžãšåãããŸãããã®çµæã®ã³ã³ã»ã³ãµã¹ã¯èª å®ãããããŸããããèªåçã«ä»£è¡šçã§ã¯ãããŸããã
ããã¯ãã³ã³ã»ã³ãµã¹ãäžã¡ã³ããŒäžç¥šã®æ¿çç«æ¡ã«çœ®ãæããè°è«ã§ã¯ãããŸãããæç¥šã¯ãåå¡ãéçšäž»ã®èª¿æŽãé¢é£ã¢ã«ãŠã³ããäœæ å ±ãã£ã³ããŒã³ã«ãã£ãŠãã£ããã£ãŒãããå¯èœæ§ããããŸããèŠç¹ã¯ããçããã®ã§ããã³ã³ã»ã³ãµã¹ããã»ã¹ã¯ãã³ãã¥ããã£å šäœã®èªç¶ãªè¡šçŸã§ã¯ãªããäžå¹³çãªã³ã¹ãã䌎ã審è°åžå ŽãšããŠçè§£ãããã¹ãã§ãããããåãå ¥ããããã°ãå¶åºŠã¯ããè¯ã質åãæããããããšãã§ããŸããäŸ¡æ Œã«ãã£ãŠèª°ãäŒè©±ããé€å€ãããã®ãã誰ã®ã³ã¹ããèŠããªãã£ãã®ãããããŠããã«ãã£ãŠäžå©çã被ã人ã ãäžåšã ã£ãããã«ã©ã®åæãçãæ®ã£ãã®ãã
æä¹ åã¯æ¿æ²»çè³æ¬ã§ãã
ã¡ãŒãªã³ã°ãªã¹ãã«ããã¬ããã³ã¹ã¯æä¹ åã«å ±ããŸããææ¡ã«ã¯æ°ãæãããããšããããŸããæåã®ããŒãžã§ã³ã¯ç²ããããããŸãããå察æèŠãã¹ã¬ãããäºåãããããããŸãããèè ã¯æ¹èšãããããããŸãããã¹ã¿ããåæãæ¡ä»¶ãå€ãããããããŸãããè°é·ã¯ããæç¢ºãªæ¯æãåå¯Ÿãæ±ãããããããŸããããšãã«ã®ãŒãèããåŸã«ã¬ãã¥ãŒãã§ãŒãºãæ¥ããããããŸãããã©ã¹ãã³ãŒã«ã§ã¯ãæçµçã§æ£ç¢ºãªå察æèŠãå¿ èŠã«ãªããããããŸãããæ°ã«ãããè ã¯ãäžé£ã®æµããéããŠååšãç¶ããªããã°ãªããŸããã
æä¹ åã¯æéã圱é¿åã«å€æãããããæ¿æ²»çè³æ¬ãšãªããŸããæåã«å¿çãã人ã¯åé¡ãæ çµã¿ã¥ããããšãã§ããŸãã以åã®è°è«ãèŠããŠãã人ã¯ããã§ã«è§£æ±ºæžã¿ã®ããšãè¿°ã¹ãããšãã§ããŸãããã¹ãŠã®æ¹èšãèªã人ã¯ãæèšã®å€æŽãèŠã€ããããšãã§ããŸããã¬ãã¥ãŒäžã«æ»ã£ãŠãã人ã¯ãæçµèšèªã«åœ±é¿ãäžããããšãã§ããŸããã©ã¹ãã³ãŒã«ã§å察ãã人ã¯ãé ããŠæ¥ã人ã«ã¯ã§ããªãåé¡ãä¿æããããšãã§ããŸããäŒåã«åºåžãã人ã¯ãæžé¢ã®ãã€ã³ããäŒå Žã®é°å²æ°ã«å€ããããšãã§ããŸããè°é·ã®æåŸ ãçè§£ããŠãã人ã¯ãã³ã¡ã³ãã建èšçãšæ±ãããããããããšãã§ããŸãã
å¶åºŠã®èšæ¶ã«éªæªãªãã®ã¯ãããŸãããæè¡ã·ã¹ãã ã¯æŽå²ãçè§£ãã人ã ãå¿ èŠãšããŸããå±éºã¯ãæä¹ åãäžå¹³çã«åé ããããã®åŸãæ£åœæ§ãšèª€ã£ãŠè§£éãããããšã§ããäŒæ¥ã¯ã¹ã¿ããã®æéã§æä¹ åãè²·ãããšãã§ããŸãããã©ã³ãã£ã¢ã¯çãå°œããããšããããŸããå°èŠæš¡äºæ¥è ã¯æ³šæãé 絊ããŸããåãæãäžæµã®é¡§å®¢ãããã³ä»è ãéããŠã¢ãã¬ã¹ã䜿çšããäŒæ¥ã¯ãã©ã®æ¿ç察話ãèªåãã¡ã«åœ±é¿ãäžããŠãããç¥ããªããããããŸãããå¶è£ã«ææãªç°å¢ã®å°åäºæ¥è ã¯ãå¯èŠæ§èªäœã«ã³ã¹ããããããããå ¬ã®è°è«ãé¿ãããããããŸããã
ãã©ã³ãã£ã¢ã®çãå°œãã¯ãäŒæ¥ããã®å§åãªãã«ãã£ããã£ãŒãçã¿åºãããšããããŸããé·å¹Žã®è²¢ç®è ã®å°ã°ã«ãŒãã¯ã圌ãã ãããŸã ååšããŠãããããç§©åºãç¶æããŠãããšå¿ããæãããããããŸããã圌ãã®æç¶ãäžã®è€éããžã®èæ§ã¯ãã·ã¹ãã ãåŠã¶ã«ã€ããŠå¢å€§ããŸãã圌ãã¯è°è«ãã¬ãã¥ãŒãã©ã¹ãã³ãŒã«ã®éããç¥ã£ãŠããã®ã§ããããã®ã¹ããããå€éšããã©ãã»ã©ã³ã¹ãé«ã«èŠããããéå°è©äŸ¡ãããããããŸããã圌ã㯠5 幎åã«ã©ã®ãããªè°è«ãè¡ãããããç¥ã£ãŠããã®ã§ãæ°åè ã®æžå¿µã解決æžã¿ãšããŠæ±ããããããŸããã圌ãã¯éå±ãªã¡ã³ããã³ã¹ã®å¹ŽæãéããŠããã»ã¹ãæ¯ããŠããã®ã§ãæ¯æžåŸã®åæ¥çã«ç·æ¥ãªä»å ¥ã¯æ¥åèŠçã«èŠãããããããŸããã
ããããIPv4 æ¯æžåŸã¯ãå€ãã®æ£åœãªæ¿çæžå¿µã忥çã«ç·æ¥ã§ãã移転å¯èœæ§ãRPKI ç¶ç¶æ§ããªãŒã¹ã®å¯èŠæ§ãã¬ã¬ã·ãŒãªãœãŒã¹ã®èšŒæãå¶è£ãªã¹ã¯ãææ°æã¯ãééãé¢äžããŠãããããšãã£ãŠæ±ãã話é¡ã§ã¯ãããŸããããããã¯çšå°æ§ã«ãã£ãŠçã¿åºããã話é¡ã§ããããå²ãåœãŠäžå¿ã®æä»£ã«æ§ç¯ãããã³ã³ã»ã³ãµã¹æåã¯ãåžå Žã®èšèªãé埳çå£çã®ããããšããŠæ±ãã¹ãã§ã¯ãããŸãããæèµ·ãããçµæžãçŸå®ãã©ãããåãã¹ãã§ãã
ããã£ãã©ãªãŒã¯éå£ã«ãªããã
ããããå¶åºŠãããã£ãã©ãªãŒãçºå±ãããŸããRIPE ã®æ¿æ²»æåã¯ãRIPE ã³ãã¥ããã£ãš RIPE NCCãã¯ãŒãã³ã°ã°ã«ãŒããšã¡ã³ããŒåäŒãæ¿çææ¡ããã¹ããšå®è£ ãã³ã³ã»ã³ãµã¹ãã©ãã»ã³ã³ã»ã³ãµã¹ãã¢ããŒã«ãåºå¥ããŠããŸãããããã®åºå¥ã¯æ··ä¹±ãé²ããŸãããŸããæç¶ãäžã®æµæ¢ãã圱é¿åã®æ¡ä»¶ã«ããŸãã
éå£ã¯æè¡çç¡ç¥ã§ã¯ãããŸãããå€ãã®å°èŠæš¡äºæ¥è ã¯å°é£ãªãããã¯ãŒã¯ãéå¶ããBGP ã管çããäžæ£äœ¿çšã«å¯Ÿå¿ãã顧客ã·ã¹ãã ãä¿å®ããéçšäžã®å±æ©ãåŠçããŠããŸããããããéçšèœåã¯æç¶ãèœåãšåãã§ã¯ãããŸããã顧客ããªã³ã©ã€ã³ã«ä¿ã€æ¹æ³ãç¥ã£ãŠãããããšãã£ãŠãæ¿çææ¡ããŸã ä¿®æ£å¯èœãªã¿ã€ãã³ã°ããã©ã®ã¯ãŒãã³ã°ã°ã«ãŒããªã¹ãã§åžå°ã¢ãã¬ã¹ç§»è»¢ãRPKI 責任ãéåŒã DNS ç¶ç¶æ§ã«é¢ããå察æèŠãè¿°ã¹ãã¹ãããç¥ã£ãŠããããã§ã¯ãããŸããã
ããã£ãã©ãªãŒã¯ãã©ã®æžå¿µãæ£åœã«èŠãããã«åœ±é¿ããŸããããã®ç§»è»¢ã®é ãã¯é¡§å®¢å¥çŽãçµã¹ãªãããšãæå³ãããã¯ç§çãªåæ¥çèŠæ ãšããŠæ±ããããããããŸãããããã®ã«ãŒã«ã¯ã蚌æ äœæã®åºå®è²»ãé«ãããã«ãå°èŠæš¡è²©å£²è ã«åé¿å¯èœãªæµåæ§å²åŒãçã¿åºããã¯æ¿ççã«èãããŸãããç§ã®æ³åã§ã¯ãã®äŒç€Ÿææ¬ãè¿ éã«å ¥æã§ããªããã¯ãšããžã±ãŒã¹ãšããŠæ±ããããããããŸããããææžåºæºããããè¿ éãªäŒæ¥ç»èšç°¿ãæã€æ³åã®åæãçµã¿èŸŒãã§ãããã¯äžè¬çã«èãããŸãããç§ã®åãæãååè¿ éã« ROA ã管çã§ããªããã¯å¥çŽäžã®åé¡ãšããŠåŽäžããããããããŸããããäžæçãªäœ¿çšå¥çŽã¯ãã«ãŒãã£ã³ã°ã»ãã¥ãªãã£ã®ææã«åœ±é¿ãäžããéçšè²¬ä»»ã®ã®ã£ãããçã¿åºããã¯ããã»ã¹ã«ãšã£ãŠããèãå ¥ããããã§ãã
å éšè ã¯ãèšèªããã£ã«ã¿ãªã³ã°ãå®è¡ãããªããå€éšè ãæé€ããå¿ èŠã¯ãããŸãããæç¶ãäžã®æ¹èšã話ã人ã ã¯ããæ©ãèãå ¥ããããŸããçŽæ¥çãªåæ¥çèŠçãã話ã人ã ã¯ãããå€ãã®èšŒæ ãå¿ èŠã ããªã¹ãã¯é©åãªå Žæã§ã¯ãªãããã®åé¡ã¯ãã§ã«æ€èšãããããããã¯äºäŸãããŸãã«ç¹æ®ã ãšèšããããããããŸãããæã«ãããã®å¿çã¯æ£ããã§ããæã«ããã¯ãæç¶ããèªãã®å¢çãå®ãæ¹æ³ã§ãã
å±éºãæã倧ãããªãã®ã¯ãå€ãçšèªãææ çã«åŒ·åãªãŸãŸã§ãããšãã§ãããä¿å šãããããŒãºããã管çãããåææ©ãããã³ãã¥ããã£ãããè¡¡å¹³æ§ãããæ£ç¢ºæ§ãããã»ãã¥ãªãã£ãã«ã¯ããããçŸå®ã®æŽå²ããããŸãããããã¯åé äžã®éžæãèŠãé ãããšããããŸãã転売ãé²ãã«ãŒã«ã¯æ£åœãªæµåæ§ãéã蟌ãããããããŸãããã³ãã¥ããã£ãä¿è·ããã«ãŒã«ã¯æ¢åã®ä¿æè ãä¿è·ãããããããŸãããããŒã¿å質ãåäžãããã«ãŒã«ã¯å°èŠæš¡ä¿æè ã«åºå®è²»ã課ããããããŸãããã»ãã¥ãªãã£ã«ãŒã«ã¯å°éã¹ã¿ãããæã€äŒæ¥ã«æå©ã«åããããããŸããããªãŒã¹ãžã®ç念ã¯äŸåãããèŠãã«ããç§çåãæ±ºããžãšé§ãç«ãŠããããããŸããã
ææžçã¯ãéºç£ã®èšèªãçŠæ¢ããããšã§ã¯ãããŸãããããã广ã«ç¿»èš³ããããšã§ããããææ¡ãææ©ãé²ããšäž»åŒµãããªãããããã©ã®æ£åœãªç§»åãå¶éããããè¿°ã¹ãªããã°ãªããŸãããããŒã¿å質ãåäžããããšäž»åŒµãããªãã誰ãã©ã®ãããªã³ã¹ãã§ææžãåéããªããã°ãªããªãããè¿°ã¹ãªããã°ãªããŸãããRPKI ã匷åãããšäž»åŒµãããªããäºåéç¥ãä¿®æ£ãç¶ç¶æ§ã®åæãæèšããªããã°ãªããŸãããã³ãã¥ããã£ãä¿è·ãããšäž»åŒµãããªããæ¯æãã¡ã³ããŒãšå©çãåŸãã¡ã³ããŒãç¹å®ããªããã°ãªããŸãããããã£ãã©ãªãŒã¯è°è«ãçµç¹ãã¹ãã§ããã代æ¿ãã¹ãã§ã¯ãããŸããã
ã¢ãžã§ã³ãã»ã³ã³ãããŒã«ã¯éããªæš©åã§ãã
ãã£ããã£ãŒã¯ããã°ãã°ã³ã³ã»ã³ãµã¹ã®åŒã³ãããããåã«å§ãŸããŸããããã¯ãäœãã¢ãžã§ã³ãã«èŒããããããã©ã®åé¡å®çŸ©ãåãå ¥ããããããã©ã®ã¯ãŒãã³ã°ã°ã«ãŒãããã®ãããã¯ãæç®¡ãããããããŠå察æèŠãæ¿çãå®è£ ãæ³ä»€éµå®ãã¡ã³ããŒãµãŒãã¹ãçäºäŒã¬ããã³ã¹ããŸãã¯ç§çãªåžå Žè¡åãšããŠæ±ãããããããå§ãŸããŸãã
RIPE ã®ã¢ãžã§ã³ãã»ã³ã³ãããŒã«ã¯æ¡æ£çã§ããææ¡ã®èè ãæåã®åé¡ãæ çµã¿åããŸããã¯ãŒãã³ã°ã°ã«ãŒãã®è°é·ããªã¹ãäžã®è°è«ãšäŒåæéã管çããŸããRIPE NCC ã®ã¹ã¿ãããå®è£ ã®åœ±é¿ã説æããŸããäŒåã®ã¢ãžã§ã³ãããåæçãªæ³šç®ãåãããã®ã決å®ããŸããã³ãã¥ããã£ã®èŠç¯ãããããã¯ãé©åã«èŠãããã©ãããæ±ºå®ããŸããçäºäŒãšç·äŒã¯äŒæ¥è²¬ä»»ãäºç®ãåäŒã¬ããã³ã¹ã管çããŸãããããã®å±€ã«ãã£ãŠã·ã¹ãã ã¯ç®¡çå¯èœã«ãªããŸãããåæã«ãå°é£ãªçµæžåé¡ãæ¶ããééãäœãåºããŸãã
ç§»è»¢ã®æ©æŠã«é¢ããèŠæ ã¯ãããã€ãã®æ¹æ³ã§ã©ãã«ä»ãããåŸãŸããã«ãŒã«ãå³ããããå Žåã¯æ¿çåé¡ãããããŸãããã¹ã¿ããèœåãææžã¬ã€ãã³ã¹ã匱ãå Žåã¯å®è£ åé¡ãããããŸãããå¶è£ãäŒæ¥æš©éãé¢äžããå Žåã¯æ³åŸåé¡ãããããŸããããµããŒãã¹ã¿ãããäžååãªå Žåã¯äºç®åé¡ãããããŸããããããŒã«ãŒããªãŒã¹æäŸè ãæ©æŠãå©çšããŠããå Žåã¯åžå Žåé¡ãããããŸãããåœäºè ã亀æžã«å€±æããå Žåã¯ç§çå¥çŽåé¡ãããããŸãããåã©ãã«ã¯åé¡ãç°ãªããã©ãŒã©ã ã«éããç¹å®ã®ãã©ãŒã©ã ã ããçµæãå€ããããŸãã
ãªãŒã¹ã¯ãã®å°é£ãã瀺ããŠããŸãããªãŒã¹ã¯æ£åŒãªä¿æã®äžã«ãããŸãããã«ãŒãã£ã³ã°ãäžæ£äœ¿çšç®¡çãéåŒã DNSãRPKI 責任ãè©å€ã顧客ç¶ç¶æ§ã«åœ±é¿ããŸããã¬ãžã¹ããªç§»è»¢ãå¿ èŠãšããªããããããŸããããªãŒã¹ãçŽç²ã«ç§çå¥çŽãšããŠæ±ããããšãæ¿çããã»ã¹ã¯äž»èŠãªçšå°æ§ã·ã°ãã«ãç¡èŠããŸããäž»ã«çãããåžå Žè¡åãšããŠæ±ããããšãããã»ã¹ã¯éå°ä¿®æ£ãããããããŸãããäžéšã®å©çšè ã«ãšã£ãŠå ¬åŒã«ãŒããé ããããã³ã¹ãé«ããã蚌æ ãšããŠæ±ããããšãã³ãã¥ããã£ã¯ããè¯ã質åãæããããããšãã§ããŸããã©ã®æ©æŠããªãŒã¹ãé åçã«ããŠããã®ããã©ã®ããã«è²¬ä»»ãå¯èŠåãç¶ãããããããŠã¬ãžã¹ããªã説æè²¬ä»»ãä¿ã¡ãªãã忥èŠå¶è ã«ãªãã®ãã©ãé¿ãããã
ææ°æã«é¢ããè°è«ããã¢ãžã§ã³ãã®åé¢ã«ãã£ãŠæãªãããŠããŸããæ¿çè°è«ããããå€ãã®ææžã¬ãã¥ãŒãRPKI ç£èŠãæ³çåæãã¡ã³ããŒãµããŒããçã¿åºãããšããããŸããçµæãšããŠã®ã³ã¹ãã¯ãåŸã«äºæ¥èšç»ãææ°æè¡šã§çŸããŸããæ¿çãªã¹ããã³ã¹ããå®è£ ãšããŠæ±ããç·äŒãæ¿çãã³ãã¥ããã£ã®æå¿ãšããŠæ±ããšãã¡ã³ããŒã¯å æã®é£éãèŠãããšãªãè«æ±æžãèŠãããšã«ãªããŸããã³ã³ã»ã³ãµã¹ã¯é ããæ¯åºãäœãåºãææ®µã«ãªããŸãã
éããªæš©åã¯èªåçã«æ¿«çšçã§ã¯ãããŸããã誰ããè°è«ãçµç¹ããªããã°ãªããŸãããããããæçããããã»ã¹ã¯ãå察æèŠãç¯å²å ãŸãã¯ç¯å²å€ãšå€æãããçç±ã説æããçè·¡ãæ®ãã¹ãã§ããçµæžçå察æèŠã決å®çãªå Žããç¹°ãè¿ãé ããããããªããéæŸæ§ã¯åœ±é¿åãªãã«ååšããŸããæ¿çã¢ãŒã«ã€ãã¯å®å šãããããŸããããã¢ãžã§ã³ãã¯ãã§ã«ä»äºãçµããŠããŸãã
æ²é»ã¯åæã§ã¯ãªã
æ²é»ã¯ãã³ã³ã»ã³ãµã¹ããã»ã¹ã«ãããæãè匱ãªã€ã³ãããã®äžã€ã§ããè°é·ã¯åœ±é¿ãåãããã¹ãŠã®åœäºè ã«æç¥šãèŠæ±ããããšã¯ã§ããŸããããã¹ãŠã®ã¹ã¬ãããåºç¯ãªåå ãéããããã§ã¯ãããŸãããããæç¹ã§ãããã»ã¹ã¯åé²ããªããã°ãªããŸããã誰ãå®è³ªçã«å察ããªããã°ãã³ã³ã»ã³ãµã¹ã宣èšããåŸãŸããããã¯å®çšçã§ããããããã«ãŒã«ã圱é¿ãäžããåœäºè ã®æ²é»ãåæã§ã¯ãªãã³ã¹ããåæ ããå¯èœæ§ãããå Žåãããã¯ãªã¹ã¯ã«ãªããŸãã
æ²é»ã¯å€ãã®ããšãæå³ãåŸãŸããæ¯æãæå³ãããããããŸãããç¡é¢å¿ãæå³ãããããããŸãããç²åŽãæå³ãããããããŸããã話é¡ãæè¡çã«èŠããçµæžç圱é¿ãæããã§ãªãã£ãããšãæå³ãããããããŸãããå°èŠæš¡äºæ¥è ã«ãªã¹ãã远ãã¹ã¿ãããããªãã£ãããšãæå³ãããããããŸãããäŒæ¥ã®ã¬ã¬ã·ãŒãªãœãŒã¹ä¿æè ããæ¿çãèªåã«é©çšãããããšãç¥ããªãã£ãããšãæå³ãããããããŸãããæ¿æ²»çã«ææãªåžå Žã®äŒæ¥ãå ¬ã®æ³šç®ãé¿ããããšãæå³ãããããããŸãããåãæããä¿æè ã«åœ±é¿ãäžããã«ãŒã«ãåŸã«ã«ãŒãã£ã³ã°ãéåŒã DNS ã«åœ±é¿ãåŸãããšãå šãç¥ããªãã£ãããšãæå³ãããããããŸããããããŒã«ãŒãè²·ãæããå ¬ã®è°è«ãããç§çãªé©å¿ã奜ãã ããšãæå³ãããããããŸããã
çšå°æ§ã®çµæžã§ã¯ãæ²é»ã¯åŒ±ã蚌æ ãšããŠæ±ãããã¹ãã§ããææ¡ã移転å¯èœæ§ãåŸ æ©æéããªãœãŒã¹ã¹ããŒã¿ã¹ãRPKIãéåŒã DNSãã¬ã¬ã·ãŒãªãœãŒã¹ã®èªå®ãééãå¶è£ããŸãã¯ææ°æã«åœ±é¿ãäžããã»ã©ãããã»ã¹ã¯æ²é»ã ãã«äŸåãã¹ãã§ã¯ãããŸãããå°èŠæš¡ä¿æè ããã®å察æèŠã®æ¬ åŠã¯ãå°èŠæš¡ä¿æè ã圱é¿ãåããªãããšã®èšŒæã«ã¯ãªããŸãããäžæ±ãäžå€®ã¢ãžã¢ããã®å£°ã®æ¬ åŠã¯ãå°åçäžç«ã®èšŒæã«ã¯ãªããŸãããåãæããã®å£°ã®æ¬ åŠã¯ããªãŒã¹ãç¡é¢ä¿ã§ããããšã®èšŒæã«ã¯ãªããŸãããæ°èŠåå ¥è ã®äžåšã¯ãæ¢åè ãå šå¡ã代衚ããŠããããšã®èšŒæã«ã¯ãªããŸããã
ããã¯ããã¹ãŠã®æ¿çã«åœæ°æç¥šãå¿ èŠãšãããã®ã§ã¯ãããŸãããåå ã®èšé²ãå¿ èŠãšããŸããããææ¡ã移転ã«åœ±é¿ãããªããè²·ãæã売ãæããããŒã«ãŒãå°èŠæš¡ LIRãã¬ã¬ã·ãŒãªãœãŒã¹ä¿æè ãã¹ãã³ãµãŒLIR ã¯çŸããŸãããïŒããã RPKI ã«åœ±é¿ãããªããå§ä»» CA ãªãã¬ãŒã¿ãŒãå°èŠæš¡ãããã¯ãŒã¯ãå°éå床ã®äœãä¿æè ã¯çŸããŸãããïŒéåŒã DNS ã«åœ±é¿ãããªãããã¹ãã£ã³ã°ãã¡ãŒã«ãªãã¬ãŒã¿ãŒã¯çŸããŸãããïŒææžåã«åœ±é¿ãããªããäŒæ¥ç»èšç°¿ãããé ãæ³åã®äºæ¥è ã¯çŸããŸãããïŒææ°æã«åœ±é¿ãããªããäŒåã®åžžé£ãšã³ãã£ãã£ãè¶ ããã¡ã³ããŒã¯é¢äžããŸãããïŒ
ç®çã¯åã«ããŽãªãŒã«æåŠæš©ãäžããããšã§ã¯ãããŸãããã³ã³ã»ã³ãµã¹ã®èšŒæ åºç€ãèŠããããã«ããããšã§ããã¢ã¯ãã£ããªãšã³ãã£ãã£éã®ã³ã³ã»ã³ãµã¹ã¯ãèšé²ã誰ãäžåšã§ãã£ããããããŠã«ãŒã«ãäŸç¶ãšããŠæ£åœåãããçç±ã瀺ããšãã«ããã匷ããªããŸããäžåšã®çµæžã®æ²é»ãåæãšããŠæ±ããããšãã«ããã匱ããªããŸãã
äŒæ¥èŠæš¡ãšæ¿çã®äŸ¡æ Œ
äŒæ¥èŠæš¡ã®é察称æ§ã¯ãã³ã³ã»ã³ãµã¹ã»ãã£ããã£ãŒãåžå Žã®çµæã«çŽæ¥çµã³ã€ããŸããå€§èŠæš¡äºæ¥è ã¯æ¿çã圢æãããã€æ¿çãåžåã§ããŸããå°èŠæš¡äºæ¥è ã¯ãã°ãã°ãã®ã©ã¡ããã§ããŸããã
å€§èŠæš¡äºæ¥è ãã¯ã©ãŠããã©ãããã©ãŒã ããŸãã¯ååãªè³æ¬ãæã€ãããã¯ãŒã¯ã¯ãæ¿çãªã¹ãã«ã¹ã¿ãããå²ãåœãŠãé¡§åãéçšããã¢ãã¬ã¹åšåº«ãç¶æããè³Œå ¥ã«ãã£ãŠé å»¶ãè¿åããRPKI ãèªååããéåŒã DNS ã®ç§»è¡ã管çããæºåãããŠäŒåã«åå ããããšãã§ããŸããã»ãã¥ãªãã£ãæ£ç¢ºæ§ãã¹ãã¥ã¯ãŒãã·ããã«ã€ããŠèª å®ãªæèŠãæã€ãããããŸãããããããã®æèŠã¯ã¬ãžãªãšã³ã¹ã®ç«å Žãã圢æãããŠããŸãã
å°èŠæš¡ãããã€ãã¯ã顧客æ¡å€§ã«å¯Ÿå¿ããããã«ç§»è»¢ãå¿ èŠãšãããããããŸãããå°åãã¹ãã£ã³ã°äºæ¥è ã¯ãã¡ãŒã«ã¬ãã¥ããŒã·ã§ã³ãæ°ã«ãã顧客ã®ããã«äºæž¬å¯èœãªéåŒã DNS ãå¿ èŠãšãããããããŸãããå°èŠæš¡ ISP ã¯ãè³éèšç»ã®äžç°ãšããŠé£äººã®ã¢ãã¬ã¹ãååŸãããããããŸãããã¬ã¬ã·ãŒãªãœãŒã¹ä¿æè ã¯äœå°ç©ºéã売ãããããçŸä»£çãªææžãæ¬ ããŠãããããããŸãããå¶è£ã«ææãªåžå Žã®å°äŒæ¥ã¯ãå¯èœæ§ã®ããäžèŽãéè¡æ¯æãåé¡ãçŠæ¢ååŒã®éããè§£éããããã®æ³åæ©èœãæããªããããããŸããããããã®åœäºè ã¯ãåºå®çãªæç¶ãã³ã¹ãã«ãããããããŠãããããããçã¿åºãã«ãŒã«ã«åœ±é¿ãäžããèœåãããäœãã§ãã
ãããã£ãŠãäžç«çãªæ¿çã¯äžå¹³çãªå¹æãæã¡åŸãŸããææžã«ãŒã«ã¯ãã¹ãŠã«é©çšãããŸãããå€§äŒæ¥ã¯ããè¯ãèšé²ãšåŒè·å£«ãæã£ãŠããŸããåŸ æ©æéã¯ãã¹ãŠã«é©çšãããŸãããå€§èŠæš¡ä¿æè ã¯åŸ ã€ããšãã§ããå°èŠæš¡å£²ãæã¯æµåæ§ãå¿ èŠãšãããããããŸãããRPKI æè¡ã«ãŒã«ã¯ãã¹ãŠã«é©çšãããŸãããå€§èŠæš¡ãããã¯ãŒã¯ã¯èªååãæã¡ãå°èŠæš¡ããŒã ã¯æåããã»ã¹ãæã£ãŠããŸããå®é¡ææ°æã¯ç®¡çãç°¡çŽ åããŸãããåå ¥ã«å¯Ÿããè² æ ã¯å€§ããç°ãªããŸããå ¬ã®è°è«ã¯ãã¹ãŠã«éãããŠããŸãããæ¿çã¹ã¿ããã¯åçã«é åãããŠããŸããã
ã³ã³ã»ã³ãµã¹ã»ãã£ããã£ãŒã¯ãå©çãéäžãããããã«ç¹å®ã®äŒæ¥ãåªéããå¿ èŠã¯ãããŸãããåžžé£ãšã³ãã£ãã£ãå€§èŠæš¡ä¿æè ãå°éçãªä»²ä»è ãæŽç·Žãããã«ãŒãã£ã³ã°ã»ãã¥ãªãã£ãªãã¬ãŒã¿ãŒãæ³çã«ååãªå©èšãåããè²·ãæãªã©ãäŒæ¥ã¿ã€ããåªéããããšãã§ããŸããå°èŠæš¡å£²ãæãåŸçºåå ¥è ãåãæãã¬ã¬ã·ãŒãªãœãŒã¹ä¿æè ã髿©æŠæ³åã®äºæ¥è ãæ¥åžžæ¥åã«æ³šæã奪ãããŠããäŒæ¥ãäžå©ã«ããããšãã§ããŸããããã¯ã«ã«ãã«ã§ã¯ãããŸãããæç¶ãèœåã«ãã£ãŠéžå¥ãããåžå Žã§ãã
åžå°ãª IPv4 ãªãœãŒã¹ã¯ãåé 广ãå ·äœçã«ããŸãã2 ãæã®äžç¢ºå®æ§ã远å ããã«ãŒã«ã¯è²·ãæã®äŸ¡æ Œãå€ããŸããå°é£ãªèšŒæ ãèŠæ±ããã«ãŒã«ã¯å£²ãæã®å²åŒãå€ããŸããRPKI 責任ã®ç§»è»¢ãããå°é£ã«ããã«ãŒã«ã¯äžæçãªäœ¿çšã®äŸ¡å€ãå€ããŸããæ¢åã®ä¿æè ã«ãšã£ãŠå°ããèŠããææ°æããå°èŠæš¡ ISP ã«ãšã£ãŠã¯ç®ã«èŠããéå¶ã³ã¹ãã«ãªãåŸãŸãããããã£ãŠãã³ã³ã»ã³ãµã¹ã®çµæžåŠã¯äŒæ¥èŠæš¡ã®çµæžåŠããåé¢ã§ããŸããã
æ¿çèšé²ã¯ãããå¯èŠåãã¹ãã§ããçšå°æ§ã®æä»£ã®ãã¹ãŠã®ææ¡ã¯ããããåºå®è²»ãçã¿åºããã©ããããããŠèª°ããããåžåã§ããããåãã¹ãã§ããçãããå€§äŒæ¥ãšä»²ä»è ãã§ãããªããã«ãŒã«ã¯äŸç¶ãšããŠæ£åœåããããããããŸããããã³ã¹ãã¯æç€ºçã§ããã¹ãã§ããäžç«æ§ã¯å¹³çãªæèšã«ãã£ãŠèšŒæãããŸããã广ã«ãã£ãŠãã¹ããããŸãã
ã¡ã³ããŒè²¬ä»»ã¯åå ã®ä»£æ¿ã«ã¯ãªããªã
RIPE NCC ã®ã¡ã³ããŒåäŒã¯ã第äºã®æ£åœæ§ã®å±€ãæäŸããŸããã¡ã³ããŒã¯ç·äŒã§æç¥šããçäºäŒãéžåºããææ°æè¡šãæ¿èªããäºæ¥èšç»ãšäºç®ãåãåããŸãããã®æ§é ã¯éèŠã§ãããªããªããæ¿çã¯ããèªäœã§å®è£ ãããªãããã§ããRIPE NCC ã®ã¹ã¿ãããæ³çèœåããµããŒãã·ã¹ãã ãã€ã³ãã©ã¹ãã©ã¯ãã£ãŒããã³ãã¥ããã£æ¿çãç»é²ãµãŒãã¹ã«å€æããŸããã¡ã³ããŒã¯ãã®äœæ¥ãè¡ãæ©é¢ã«æ¯æããŸãã
ã¡ã³ããŒè²¬ä»»ã¯ãã¡ã³ããŒãæ¿ççµæãå šäŒå¡ãåæ ããŠããã®ãããããšãã¢ã¯ãã£ããªæ¿æ²»æåã ããåæ ããŠããã®ããåããªãã°ãã³ã³ã»ã³ãµã¹ã»ãã£ããã£ãŒãæŽé²ããããšãã§ããŸãããŸããã¡ã³ããŒã®æç¥šããã»ãšãã©ã®ã¡ã³ããŒã坿¥ã«è¿œè·¡ããŠããªãã·ã¹ãã ãžã®å æ¬çæ¿èªãšããŠæ±ããããªãã°ããã£ããã£ãŒãé ãããšãã§ããŸããææ°æè¡šã«æç¥šããããšã¯ãã©ã®æ¿çéžæãã¹ã¿ããã®äœæ¥è² è·ãæ³ç審æ»ãRPKI ç£èŠããŸãã¯ãµããŒãã®è€éããããã³ã¹ãé«ã«ããããçè§£ããããšãšåãã§ã¯ãããŸããã
2026 å¹Žã®ææ°æè¡šã¯ããã®ã€ãªããã瀺ããŠããŸããRIPE NCC ã®å ¬è¡šãããææ°æè¡šã¯ãLIR ã¢ã«ãŠã³ãããšã«å¹Žé 1,800 ãŠãŒãã®åæ éãå®ããç¬ç«ãªãœãŒã¹ãš ASN ã«ã¯æå®ææ°æãæ°èŠãŸãã¯è¿œå ã® LIR ã¢ã«ãŠã³ãã«ã¯ç»é²ææ°æããããŸããã¡ã³ããŒã¯ææ°æè¡šã«æç¥šããŸããææ°æã¯ç»é²ãµãŒãã¹ãšããåºç¯ãªå¶åºŠæ©æ§ãæ¯ããŸãããã£ããã£ãŒã®åé¡ã¯ãéé¡ãæ¬è³ªçã«è¯ããæªããã§ã¯ãããŸãããã¢ã¯ãã£ããªæ¿çã·ã¹ãã ããã¡ã³ããŒã®ããŸãã¢ã¯ãã£ãã§ãªãéšåãè³éãæäŸããè€éããäœãåºããŠãããã©ããã§ãã
æ¿çã¯äœæ¥ãçã¿åºãããšãã§ããŸããããå€ãã®ããŒã¿å質ãã§ãã¯ã¯ã¹ã¿ãããå¿ èŠãšããŸããããè€éãªç§»è»¢ã«ãŒã«ã¯ææžå¯©æ»ãå¿ èŠãšããŸããããå€ãã® RPKI 矩åã¯ã·ã¹ãã ãéç¥ããµããŒããå¿ èŠãšããŸããæ³çãŸãã¯å¶è£ã«é¢ããæåºŠã®é«ãŸãã¯ã³ã³ãã©ã€ã¢ã³ã¹èœåãå¿ èŠãšããŸãããã粟巧ãªã³ãã¥ããã£ããã»ã¹ã¯äŒåãåºçããã¡ã·ãªããŒã·ã§ã³ã®ã³ã¹ããå¿ èŠãšããŸããã¢ã¯ãã£ããªãšã³ãã£ãã£ãããããããã²ãŒãã§ãããããã«è€éãã奜ã¿ãã¡ã³ããŒå šäœãå°åž³ãå¿ èŠãšãããããã«ãã®å¯ŸäŸ¡ãæ¯æããªããåäŒã«ã¯å ¬å ±éžæã®åé¡ããããŸãã
çäºäŒã®åœ¹å²ã¯ãå±€ãã€ãªãããšã§ããåäŒããã®çµæãå®è£ ãã人å¡ãé 眮ããè³éãæäŸãããšãã«ããã³ãã¥ããã£ã決å®ãããã®é°ã«é ããã¹ãã§ã¯ãããŸãããã«ãŒã«ã®éå¶ã³ã¹ãã¯ããããããããå°èŠæš¡ã¡ã³ããŒã«åºå®è² æ ã課ããããµããŒããã±ãããæ··ä¹±ãæããã«ãããã移転ã®é å»¶ãåžå Žå¹æãæã€ãããããŠå®è£ åŸãæ¿çåæãæå¹ãã©ãããåãã¹ãã§ããã³ã¹ãã説æããéã«ã¯ãäžæ žçãªå°åž³äœæ¥ãšããåºç¯ãªå¶åºŠç掻åãåºå¥ãã¹ãã§ãã
ã¡ã³ããŒã¯ãä»åºŠã¯ãæ¿æ²»æåãã¬ããã³ã¹ã®äžéšãšããŠæ±ãã¹ãã§ããã©ã®æ¿çãäœæ¥è² è·ãçã¿åºããŠããã®ããåããã«ææ°æã«æç¥šããããšã¯äžå®å šã§ããRIPE ã³ãã¥ããã£ã®ã³ã³ã»ã³ãµã¹ãš RIPE NCC ã®äŒæ¥è²¬ä»»ãšã®éã®å¢çãã©ã®ããã«èªèããŠããããåããã«çäºäŒã¡ã³ããŒãéžåºããããšã¯äžå®å šã§ããå°èŠæš¡äºæ¥è ãã·ã¹ãã ãã©ã®ããã«çµéšããŠããããåããã«äºæ¥èšç»ãæ¿èªããããšã¯äžå®å šã§ããã³ã³ã»ã³ãµã¹ã»ãã£ããã£ãŒã¯ãã³ãã¥ããã£æ¿çãšã¡ã³ããŒã¬ããã³ã¹ãå¥ã ã®éšå±ã«åº§ã£ãŠãããšãã«ç¹æ ããŸãã
æè¡çã³ã³ã»ã³ãµã¹ãéçšæš©éã«ãªã
RPKI ã¯ãæè¡çã³ã³ã»ã³ãµã¹ãããã«éçšæš©éã«ãªãåŸããã瀺ããŠããŸããRIPE NCC ã® RPKI ãµãŒãã¹ã¯ã驿 Œãªä¿æè ãçªå·ãªãœãŒã¹ã«é¢é£ä»ããããèšŒææžãèŠæ±ããRoute Origin Authorizations ãäœæããããšãå¯èœã«ããŸãããã®ãµãŒãã¹ã¯ãã¬ãžã¹ããªã®èªå®ãããç»é²ããä»ã®ãããã¯ãŒã¯ã䜿çšããæå·ç衚æã«å€æããŸããããã¯æè¡ãµãŒãã¹ã§ãããåæã«ã³ã³ãããŒã«ã»ãµãŒãã§ã¹ã§ããããŸãã
å§ä»» RPKI èªèšŒå±ã«é¢ããæ¿çäœæ¥ã®å®è£ ã¯ããªã¹ãäžã®è°è«ããéçšäžã®çµæã«è³ãé£éã瀺ããŠããŸããRIPE NCC ã®å®è£ è³æã¯ãé¢é£ããææ¡ãã«ãŒãã£ã³ã°ã¯ãŒãã³ã°ã°ã«ãŒãã«ãã£ãŠåãå ¥ããããããšãæŽæ°ãããèªèšŒãµãŒãã¹æ¡ä»¶ãå ¬éãããããšããã㊠RIPE NCC ãããããã§ã¹ãã CRL ãæ€èšŒã§ããªãå Žåã«å§ä»» CA ãªãã¬ãŒã¿ãŒã«éç¥ããé·æéã®æ©èœäžå šã®åŸã«å§ä»»ãåãæ¶ãããšãã§ããããšã瀺ããŠããŸããæè¡çæ£åœåã¯çè§£å¯èœã§ããç¶ç¶çã«æ éããå§ä»» CA ã¯ãå©çšåœäºè ã«è² è·ããããã·ã¹ãã ã®ä¿¡é Œæ§ã匱ããå¯èœæ§ããããŸãã
ã¬ããã³ã¹äžã®å«æã¯ããåºç¯ã§ããã¯ãŒãã³ã°ã°ã«ãŒãã®ã³ã³ã»ã³ãµã¹ã¯ãã¬ãžã¹ããªãã«ãŒãã£ã³ã°ã»ãã¥ãªãã£ã®ä¿¡é Œãå€ããæ¹æ³ã§è¡åããããšãæ¿èªãåŸãŸãããã®è¡åã¯æ£åœåããåŸãŸããããããããã§ãåå ãžã®é«ãæèãå¿ èŠã§ãããªããªãã圱é¿ãåããåœäºè ã«ã¯ããªã¹ãã远跡ããŠããªãã£ãäºæ¥è ãRPKI å°éå®¶ã®ããªãå°èŠæš¡ãããã¯ãŒã¯ããªãŒã¹æäŸè ãã¹ãã³ãµãŒãèšŒææžã管çããŠããåãæãRIPE ã®åœé¢ã®è°è«ã®å€éšã«ããå©çšåœäºè ãå«ãŸãåŸãããã§ãã
è¯ã質åã¯ãéçšçãã€çµæžçã§ããäœäººã®å§ä»» CA ãªãã¬ãŒã¿ãŒã圱é¿ãåãããïŒã©ã®éç¥çµè·¯ã䜿ããããïŒå€±å¹åã«é害ãä¿®æ£ããã®ã¯äœä»¶ãïŒåŸ©æ§ãå¿ èŠãšããã®ã¯äœä»¶ãïŒåŸ©æ§ã¯ã©ããããè¿ éã«è¡ãããïŒè²¬ä»»ããåŸæ¥å¡ãçµç¹ãå»ã£ãå Žåã¯ã©ããªããïŒå°éå床ã®äœãä¿æè ã¯ã©ã®ããã«æ¯æŽããããïŒäžæç䜿çšã®åãæ±ºãã¯ãåãªãç§çå¥çŽãšããŠã®ã¿èæ ®ãããã®ãããããšãã«ãŒãã£ã³ã°ã»ãã¥ãªãã£ãã§ãŒã³ã«ãããçŸå®ã®äŸåé¢ä¿ãšããŠèæ ®ãããã®ãïŒ
æè¡çåè¶æ§ãšãã£ããã£ãŒã®ãªã¹ã¯ã¯å ±åãåŸãŸããã«ãŒã«ã¯ RPKI è¡çãåäžãããªããããäžå¹³çãªã³ã¹ãã課ãããšããããŸããã»ãã¥ãªãã£è°è«ã¯æ£ãããŠããå°èŠæš¡äºæ¥è ãžã®è² æ ãéå°è©äŸ¡ããããšããããŸããã³ã³ã»ã³ãµã¹ã¯æè¡çã«å ç¢ã§ãçµæžçã«çãããšããããŸããã ãããããå®è£ ããŒã¿ãšæ¡çšåŸã®ã¬ãã¥ãŒãéèŠãªã®ã§ãããããã¯ã«ãŒã«ããå°éå®¶ã®éžå¥œè¡šæãããæž¬å®ãããã¡ã³ããã³ã¹ã¡ã«ããºã ãžãšå€ããŸãã
åãè«çãéåŒã DNS ã«ãåœãŠã¯ãŸããŸããå§ä»»å€æŽã¯ãã·ã¹ãã ã«ç²Ÿéãããšã³ãã£ãã£ã«ãšã£ãŠã¯éçšçã«å¹³å¡ã«èŠãããããããŸããããã¹ãã£ã³ã°äºæ¥è ã倧éã®ã¡ãŒã«ãæ±ããããã€ãã«ãšã£ãŠã¯ãã¿ã€ãã³ã°ãšæ£ç¢ºæ§ã忥çã«éèŠãããããŸãããéåŒã DNS ã管çå¯èœãªæè¡ç詳现ãšèŠãªã人ã ã«ãã£ãŠæ¯é ãããæ¿æ²»æåã¯ã顧客ãé ä¿¡å°éæ§ãäžæ£äœ¿çšå¯Ÿå¿ã®çµæã被ã人ã ã«ãšã£ãŠã®ã³ã¹ããéå°è©äŸ¡ãããããããŸãããæè¡çã³ã³ã»ã³ãµã¹ã«ã¯çµæžçãªåœ±ãå¿ èŠã§ãïŒèª°ãè¡åãã誰ãèªååã§ãã誰ãåŸ ã¡ã誰ã倱æããèª°ãæ¯æãã®ãã
移転ãšå€ãããã©ã«ãèšå®ã®æç¶
移転æ¿çã¯ããã£ããã£ãŒãããããã©ã«ãèšå®ã®æãç®ã«èŠããå Žæã§ããRIPE NCC ã®ç§»è»¢æ¿çã¯ãèªå®ãããä¿æè ããªãœãŒã¹ãç§»åããããã®æ£åŒãªçµè·¯ãæäŸãã倿Žã¯ããŒã¿ããŒã¹ã«åæ ãããå®äºãŸã§ã®è²¬ä»»ãå®çŸ©ãããŸãããã®çµè·¯ã®åšå²ã«ã¯ãåŸ æ©æéãææžæåŸ ãRIR éäºææ§ãå䜵ã«ãŒã«ãå¶è£ãã§ãã¯ãã¬ã¬ã·ãŒãªãœãŒã¹ã®åãæ±ãããããŸãããããã®è©³çްãå°åž³äœ¿çšã®ã³ã¹ããå®çŸ©ããŸãã
ããã©ã«ãèšå®ã¯ãè°è«ãããé·ãçãæ®ããããéèŠã§ããåŸ æ©æéã¯åææ©çãšããŠæè·ããåŸãŸããææžåºæºã¯äžæ£é²æ¢ãšããŠæè·ããåŸãŸããåžå Žè¡åã«å¯Ÿããæ éãã¯ã¹ãã¥ã¯ãŒãã·ãããšããŠæè·ããåŸãŸãããªãŒã¹ãžã®é¢äžãžã®æ¶æ¥µæ§ã¯ã¬ãžã¹ããªã®è¬èããšããŠæè·ããåŸãŸããåããã©ã«ãèšå®ã«ã¯åççãªèµ·æºãããåŸãŸããããããäžäœãšãªã£ãŠã誰ãã©ã®äŸ¡æ Œã§ã¢ãã¬ã¹è³æ¬ãç§»åã§ãããã圢æããŸãã
ãã£ããã£ãŒãããããã©ã«ãèšå®ã¯ãç°å¢ãå€åããŠãå€ãããã£ãã©ãªãŒãæ®ããšãã«æç¶ããŸããæžå°ããããªãŒããŒã«ãä¿è·ããããã«äœãããã«ãŒã«ããããŒã«ãæ¯æžããäžçã«æã¡èŸŒãŸãããããããŸãããè²·ãå ãã«å¯ŸæããŠçºå±ããä¿å šæ¬èœããæ£åœãªæµåæ§ã«é©çšããããããããŸããããããŒã«ãŒãžã®ç念ãã仲ä»è ãæã«ã¬ãžã¹ããªã®æ©æŠãè£åãããšããäºå®ãäžæçã«ãããããããŸãããæè¡çå²ãåœãŠãäžå¿ã«åœ¢æãããæ¿æ²»æåã¯ã移転å¯èœæ§ãä»ããã©ã³ã¹ã·ãŒãã«åœ±é¿ããããšãèªããã®ã«èŠåŽãããããããŸããã
ããã©ã«ãèšå®ã«ç°è°ãå±ããã«ã¯ãæ¿æ²»çè³æ¬ãå¿ èŠã§ãããããšã³ãã£ãã£ã¯ãå€ãèšèªã¯ãã¯ãé©åããªããšäž»åŒµããªããã°ãªããŸãããããã¯äžå®å®åãããã忥çããŸãã¯çæ°ã«èŠãããããããŸãããåžžé£ã®å éšè ã«ãšã£ãŠã¯ãéºç£ã®åãæ±ºããå®å®æ§ãšããŠæè·ããæ¹ã容æã§ããå®å®æ§ã«ã¯äŸ¡å€ããããŸããããã¯ãŸããçŸç¶ã«æ¢åŸæš©çãä¿æããããšãã§ããŸãã
ããã©ã«ãèšå®ã®æ£çŽããä¿ã€æ¹æ³ã¯ã枬å®ã§ããåŸ æ©æéã«ãã£ãŠäœä»¶ã®ç§»è»¢ãé å»¶ããŠãããïŒææžèŠä»¶ã®åŸã«äœä»¶ã®èŠæ±ãåãäžãããããïŒRIR ééäºææ§ãã©ã®ãããã®é »åºŠã§ç§»åã黿¢ãããïŒåäœµæŽæ°ãã©ã®ãããã®é »åºŠã§å°æ¥ã®å¶éãåŒãèµ·ãããïŒæŽå²ç蚌æ ã®åæ§ç¯ãå°é£ãããããã«ãã¬ã¬ã·ãŒãªãœãŒã¹èšé²ãã©ã®ãããã®é »åºŠã§å€±æãããïŒç§»è»¢ã®ã¿ã€ã ã©ã€ã³ãäžç¢ºå®ã§ããããã«ãã©ã®ãããã®æŽ»åããªãŒã¹ã«ç§»è¡ããŠãããïŒå€§èŠæš¡ä¿æè ãšæ¯èŒããŠãå°èŠæš¡äºæ¥è ã¯åãã«ãŒã«ãã©ã®ããã«çµéšããŠãããïŒ
ããŒã¿ãªãã§ã¯ãããã©ã«ãèšå®ã¯ã€ããªãã®ãŒã«ãªããŸããããŒã¿ãããã°ããããã¯æè·ãçž®å°ããŸãã¯ä¿®æ£ããåŸãéžæè¢ã«ãªããŸãã
ä¿¡é Œæ§ã®ç€ŸäŒççµæž
ã¡ãŒãªã³ã°ãªã¹ããã³ã³ã»ã³ãµã¹ã®çµæžã®ãã¹ãŠã§ã¯ãããŸãããäŒåã¯ãããã¹ãã瀟äŒçç¥èã«å€æãããããéèŠã§ããäŒåã®ã»ãã·ã§ã³ã¯ææ¡ãæç¢ºã«ããè°é·ãäŒå Žã®é°å²æ°ãæãåããã¹ã¿ããã«å®è£ ã説æããæ©äŒãäžããéããªãªã¹ãã§ã¯ã§ããªãå¢ããçã¿åºãããšãã§ããŸããé éåå ã¯å©ãã«ãªããŸãããäŒåãªãã©ã·ãŒã¯äŸç¶ãšããŠè³ç£ã§ãã
äŒåãªãã©ã·ãŒã«ã¯ãã©ã®ã»ãã·ã§ã³ãéèŠããç¥ãããšãç°¡æœãªã³ã¡ã³ããããæ¹æ³ããã€ã¯ã§è©±ãã¿ã€ãã³ã°ãæµå¯Ÿçãšæãããã«è³ªåããæ¹æ³ãè°é·ã®èšèãè§£éããæ¹æ³ãäŒå Žã®æè§Šãèªãæ¹æ³ããªã¹ãã§ãã©ããŒã¢ããããæ¹æ³ãå«ãŸããŸãããŸããææ¡ãä¿®æ£ããã³ã¡ã³ããšãåã«è°äºé²ã«çŸããã³ã¡ã³ããšã®éå ¬åŒãªéããç¥ãããšãå«ãŸããŸãããããã®ã¹ãã«ã¯å埩ã«ãã£ãŠåŠã°ããŸãã
çµæã¯ãä¿¡é Œæ§ã®ç€ŸäŒççµæžã§ããé¡ãªãã¿ã®ãšã³ãã£ãã£ã¯ãã³ã³ãã¯ããªå察æèŠãè¿°ã¹ãæèã®äžã§çè§£ããåŸãŸããæ°åè ã¯éå°ã«èª¬æããå¿ èŠããããããããŸãããé·å¹Žã®è²¢ç®è ã®æ éãã¯ãå¶åºŠã®èšæ¶ãšããŠæ±ããããããããŸãããå°èŠæš¡äºæ¥è ã®èŠéã¯ãåäžäŒæ¥ã®åé¡ãšããŠæ±ããããããããŸãããæŽå²ãç¥ãã³ã³ãµã«ã¿ã³ãã¯ã忥çè°è«ã«æç¶ãäžã®å€èгãäžããããšãã§ããŸããå°èŠæš¡ ISP ãçµå¶ãã嵿¥è ã¯ãåãã³ã¹ããããæŽç·Žãããã«èª¬æããæ¿çã¯åæ¥çèŠæ ã®å Žã§ã¯ãªããšèšããããããããŸããã
ãããã®ã©ãããåäžã®äº€æã«ãããŠå¿ ãããäžå ¬å¹³ã§ã¯ãããŸãããã³ãã¥ããã£ã«ã¯ä¿¡é Œãå¿ èŠã§ããè°é·ã¯ãæ°åè ã®ãã¹ãŠã®ã³ã¡ã³ããäœå¹Žãã®èç©ãããç¥èãšåçã«æ±ãããšã¯ã§ããŸãããããããã«ãŒã«ãåžå°ãªãªãœãŒã¹ã«åœ±é¿ãäžãããšããä¿¡é Œæ§ã®ç€ŸäŒççµæžã¯çµæžçã«é倧ã«ãªããŸããã©ã®ã³ã¹ããæ©æã«èãå ¥ããããã©ããå®è£ åŸã«çºèŠãããããæ±ºå®ãåŸãŸããç§»è»¢ã®æµåæ§ã®æžå¿µãã·ã¹ãã çãšèªããããããç§çãšããŠåŽäžãããããæ±ºå®ãåŸãŸããRPKI ç¶ç¶æ§ã®æžå¿µãéçšç蚌æ ãšããŠæ±ãããããæ¹åãžã®æµæãšããŠæ±ãããããæ±ºå®ãåŸãŸãã
å°çããã®å¹æãæªåãããŸããRIPE NCC ã®å°åã¯æ¬§å·ãäžæ±ãäžå€®ã¢ãžã¢ã®äžéšã«åã³ãŸããæ è²»ããã¶å¶çŽãã¿ã€ã ãŸãŒã³ãèšèªã®å¿«é©ããéçšäž»ã®æ¯æŽããã¹ãŠåå ã圢æããŸããæ¬§å·ã®å€§ããã«ãããšã³ãã£ãã£ã¯ãé éå°ãæ¿æ²»çã«è€éãªåžå Žã®å°èŠæš¡äºæ¥è ãšåãè² æ ã«çŽé¢ããŸããããªã³ã©ã€ã³ã¢ã¯ã»ã¹ã¯ã®ã£ãããçž®ããŸãããäŒå Žã§ç¥ãããŠããããšã®å©ç¹ãæ¶ãå»ãã¯ããŸããã
çãã¯äŒåããããããšã§ã¯ãããŸãããäŒåã¯æçšã§ããçãã¯ãäŒåããŒã¹ã®ä¿¡é Œæ§ããåºåžããªãã£ã人ã ã«ãã¢ã¯ã»ã¹å¯èœãªææžã«ãã£ãŠãã©ã³ã¹ãåãããããã«ããããšã§ããçµæžçå©å®³ã®å¹³æãªèŠçŽãè°é·ã«ããã³ã³ã»ã³ãµã¹çç±ã®èª¬æãéèŠãªå察æèŠãžã®æç€ºçãªå¯Ÿå¿ããããŠåœ±é¿ãåãããäžåšã®ã°ã«ãŒããžã®äŒååŸã®ã€ã³ãããèŠè«ãããã£ããã£ãŒã®ãªã¹ã¯ãäœæžããã§ããããäŒåã¯å¯©è°ãå éãã¹ãã§ãããåºåžã圱é¿åã®é ããè³æ Œã«å€ããã¹ãã§ã¯ãããŸããã
äžç«çãªæèšãå€ãå©ç¹ãä¿åãã
ã³ã³ã»ã³ãµã¹ã»ãã£ããã£ãŒã¯ãçµæãäžç«çã«èŠãããšãã«æãèŠãã«ãããªããŸããã«ãŒã«ã¯å šå¡ã«é©çšãããŸããææžèŠä»¶ã¯éåžžã®ãã¥ãŒããªãžã§ã³ã¹ã®ããã«èŠããŸããåŸ æ©æéã¯äžè¬çãªåææ©çã®ããã«èŠããŸããææ°æã¯æ¿æ²»çéžå¥œã§ã¯ãªãã¢ã«ãŠã³ãããšã«è«æ±ãããŸããã»ãã¥ãªãã£ã«ãŒã«ã¯æè¡çšèªã§æžãããŠããŸããããããå¹³çãªæèšã¯äžå¹³çãªå©ç¹ãä¿åãåŸãŸãã
IPv4 ã®çšå°æ§ã¯æŽå²ãè³æ¬åããŸãããæ¯æžåã«ãã倧ããªå²ãåœãŠãåããçµç¹ã¯ãä»ãæ°èŠåå ¥è ãè³Œå ¥ãŸãã¯ãªãŒã¹ããªããã°ãªããªããªãã·ã§ã³ãä¿æããŠããŸããå¹ççãªå©çšè ãããã°ãããã§ãªãè ãããŸããæ¢åã®ä¿æè ãããã°ã倧åŠãäŒæ¥ãæ§ãµãŒãã¹ãããã€ããããŸããã¬ãžã¹ããªã¯ãçµæžç广ãããããšãèªããããã«ããã®æŽå²ãé埳çã«è£ãå¿ èŠã¯ãããŸããã
æ¿çã®äžç«æ§ã¯ãã®æŽå²ãšçžäºäœçšããŸãã移転ãé ãããã«ãŒã«ã¯ææ©ããä¿è·ãããããããŸããããåæã«çŸåšã®ä¿æè ãããè¿ éãªåå²ãåœãŠããä¿è·ããŸãã峿 ŒãªææžèŠä»¶ã¯äžæ£ãé²ããããããŸããããè¿ä»£çãªäŒæ¥ç»èšç°¿ãšå°éçãªç®¡çãæã€ä¿æè ã«æå©ã«åããŸãããªãŒã¹ãžã®æ éãªåãæ±ãã¯äžéæãªå©çšãæžãããããããŸããããåæã«çŽæ¥è³Œå ¥ã§ããäŒæ¥ãåªéããŸããå®é¡ææ°æã¯ç®¡çãç°¡çŽ åãããããããŸããããåå ¥ã«æ¯ããŠå°èŠæš¡äºæ¥è ã«ããéãã®ãããããŸããã»ãã¥ãªãã£ã«ãŒã«ã¯ã·ã¹ãã ãæ¹åãããããããŸããããåºå®çãªå°éç¥èã³ã¹ãã課ããããããŸããã
ãã£ããã£ãŒã®ã¡ã«ããºã ã¯ãå¿ ãããæ¢åã®ä¿æè ãèªå·±å©çã®èšèªãèµ·èããããšã§ã¯ãããŸãããããã¯éºç£ã®åæã®ä¿åã§ããã¢ã¯ãã£ããªæåãæµåæ§ãäž»ã«è åšãšèŠãªãã°ãã«ãŒã«ã¯ç§»åãé ãããåŸåããããŸããã¬ãžã¹ããªã®æé·ããµãŒãã¹å質ã®èšŒæ ãšèŠãªãã°ãææ°æã¯ãã倧ããªå¶åºŠãæ¯ãããããããŸãããå¹ççãªäŒæ¥ç»èšç°¿ãæã€æ³åãéããŠææžåãèŠãã°ãä»ã®æ³åã¯ç°ãªããšããããç¡ç§©åºã«èŠãããããããŸãããæŽç·Žããããªãã¬ãŒã¿ãŒã®èŠç¹ãã RPKI ãèŠãã°ãæåãã¹ãã³ãµãŒä»ãã®åãæ±ºãã¯ãšããžã±ãŒã¹ã®ããã«èŠãããããããŸããã
ãããã£ãŠãäžç«æ§ã¯å¹æã«ãã£ãŠãã¹ããããªããã°ãªããŸãããã«ãŒã«ã¯ãå¿ èŠãªæµåæ§ã³ã¹ããæå°éã«æãã€ã€ãäžæ£ãæžãããïŒå€ããæ£åœãªãªãœãŒã¹ã®æç¢ºåãäžå¯èœã«ããããšãªããæ£ç¢ºæ§ãåäžããããïŒèªèšŒãé«åºŠã«è€éãªã¯ã©ãã«å€ããããšãªããã»ãã¥ãªãã£ã匷åãããïŒèªèãéé²çãªè² æ ã«ããããšãªããå ±æã€ã³ãã©ã«è³éãäŸçµŠãããïŒãªãŒã¹ããã責任ãããã®ã«ããããåã«ããã«æ±åãçãããïŒ
æ¿æ²»æåã¯ããããã®è³ªåãçŽæ¥æããããã°ãããã«çããããšãã§ããŸããäžç«çãªæèšãçµæžåæã®ä»£ããã«ãªããªãã倱æãããããããŸãããçšå°æ§ã®çµæžã§ã¯ãäžå¹³çãªããžã·ã§ã³ã®å¹³çãªæ±ãã¯äžå¹³çãæ°žç¶ããåŸãŸããã ãããšãã£ãŠããã¹ãŠã®äžå¹³çãªå¹æãéåæ³ã«ãªãããã§ã¯ãããŸããã广ãé¢é£æ§ã®ãããã®ã«ããŸãã
ãã£ããã£ãŒã¯ã¹ãã£ã³ãã«ããåã«ããŒã¿ã«çŸãã
ã³ã³ã»ã³ãµã¹ã»ãã£ããã£ãŒãã¹ãã£ã³ãã«ã«ãã£ãŠç¥ããããå¯èœæ§ã¯äœãã§ããããã¯ãéåžžã®ããã»ã¹ããŒã¿ã«çŸããå¯èœæ§ãããé«ãã§ããåžå°ãªãœãŒã¹ã«åœ±é¿ãäžããææ¡ã®ã»ãšãã©ããå°ããªåžžé£ã°ã«ãŒãã®ã³ã¡ã³ããéãããªãã圱é¿åã¯éäžããŠããŸãã移転ã«ãŒã«ãå°èŠæš¡å£²ãæãè²·ãæãåãæããŸãã¯ã¬ã¬ã·ãŒãªãœãŒã¹ä¿æè ããã»ãšãã©ã€ã³ããããåãåããªããªããèšé²ã¯èãã§ããã»ãã¥ãªãã£æ¿çãäž»ã«æŽç·Žããããªãã¬ãŒã¿ãŒãåŒãä»ãããã®åŸãããå°èŠæš¡ãªè ã«ãµããŒãè² æ ã課ããªããã³ã¹ãã¯éå°åæãããŠããŸããææ°ææç¥šãäœåå ãåŒãä»ãã矩åçã³ã¹ããäžæãããªããã¡ã³ããŒã®åæã¯åœ¢åŒçã§ãã衚é¢çã§ãã
æçšãªåå ããŒã¿ã¯è€éã§ã¯ãããŸãããåžå°ãªãœãŒã¹ã«åœ±é¿ãäžããåæ¿çææ¡ã«ã€ããŠãèšé²ã¯ãç°ãªããšã³ãã£ãã£ã®æ°ãæ¢ç¥ã®å Žåã«ä»£è¡šãããå©å®³é¢ä¿è ã¯ã©ã¹ãå°èŠæš¡äºæ¥è ãçŸããããã¬ã¬ã·ãŒãªãœãŒã¹ä¿æè ãçŸãããã仲ä»è ãçŸããããå°åç倿§æ§ãèŠãããã圱é¿ãåããéçšäžã®åœ¹å²ãçŸãããããããŠéèŠãªå察æèŠãåçããããã瀺ãããšãã§ããŸããããã¯ãšã³ãã£ãã£ã䟡å€ã§åé¡ãããã®ã§ã¯ãããŸãããã³ã³ã»ã³ãµã¹ãæšè«ãããåå åºç€ã瀺ãã§ãããã
çµæããŒã¿ã¯ããã«éèŠã§ãããã移転æ¿çã®å€æŽã¯ãç³è«ãé å»¶ãåäžããå¶éé¢é£ã®åæ¢ãææžãµã€ã¯ã«ã«é¢ããæ°åã§è¿œè·¡ããåŸãŸããRPKI æ¿çã¯ãéç¥ãä¿®æ£ã倱å¹ã埩æ§ã®çµ±èšã§è¿œè·¡ããåŸãŸããéåŒã DNS ã®å€æŽã¯ãå§ä»»ãŸã§ã®æéãšãšã©ãŒã«ããŽãªãŒã§è¿œè·¡ããåŸãŸããææžæ¿çã¯ããµããŒãè² è·ãšæªè§£æ±ºæ¡ä»¶ã§è¿œè·¡ããåŸãŸããæé倿Žã¯ãæ¯ææ©æŠã®ã«ããŽãªãŒãšã¡ã³ããŒããã®ãã£ãŒãããã¯ã§è¿œè·¡ããåŸãŸãã
ãã®ãããªããŒã¿ã¯ãæ»è§ãæ©æã«æããã«ããã§ããããå°èŠæš¡äºæ¥è ãå©ãããšãããæ¿çããå°èŠæš¡äºæ¥è ããã®åå ãå šãåŸãããããã®åŸãµããŒããã±ãããå¢å ãããªãããã®äž»åŒµã¯ä¿®æ£ãããªããã°ãªããŸãããææ©ãæžãããšãããã«ãŒã«ãææ©ææšãå šã远跡ããªããªãã䞻匵ã¯å蚌äžå¯èœã§ããã»ãã¥ãªãã£ã«ãŒã«ãã«ãŒãã£ã³ãšèª¬æãããŠããããå°èŠæš¡ãããã¯ãŒã¯ã®éã§äžåè¡¡ãªãµããŒãéèŠãçã¿åºããªããè² æ ã¯çè§£ãããŠããŸããã移転å¶éãå ¬å¹³æ§ãä¿è·ãããšèšãããŠããããåé¿çãšããŠãªãŒã¹ãå¢å ãããªããåžå Žã¯æ©æŠã«åå¿ããŠããŸãã
ããŒã¿ã¯ãŸããã¢ã¯ãã£ããªã³ãã¥ããã£ãäžåœãªéé£ããå®ãããšãã§ããŸããããæ¿çãå¹ åºã圱é¿ãåããåœäºè ã«ãã£ãŠè°è«ãããå察æèŠã«åçããããå®è£ åŸã®èšŒæ ãæå³ãããå©çã瀺ããã³ã¹ããæããããŠãããããäœãã£ããªãããã£ããã£ãŒã®äž»åŒµã¯åŒ±ãŸããŸããæž¬å®ã¯æçœªã®æšå®ã§ã¯ãããŸãããããã¯ãæ£åœæ§ããªãã¿ã®ååã®è©å€ã«ããäŸåããªããã®ã«ããæ¹æ³ã§ãã
åæ¯ãæ±ºå®çã«éèŠã§ããäœäººã«åœ±é¿ãåŸããããããŠäœäººãçŸãããïŒäœä»¶ã®ç§»è»¢ãå®çŸãããäœä»¶ãé å»¶ãŸãã¯æ¶å€±ãããïŒäœäººã®ã¡ã³ããŒãæç¥šããäœäººãææ°æãæ¯æã£ããïŒäœäººã®å§ä»» CA ãªãã¬ãŒã¿ãŒãéç¥ãåããäœäººã埩æ§ãããïŒäœä»¶ã®ç£æ»ææãååçã«ä¿®æ£ãããäœä»¶ããšã¹ã«ã¬ãŒã·ã§ã³ããããïŒåæ¯ã®ãªãã³ã³ã»ã³ãµã¹èšé²ã¯ããã¬ãŒã³ã¹ã®æŒåã§ãã誰ã話ãããã瀺ãã誰ãã³ã¹ããè² æ ãããã瀺ããŸããã
ç°è«ã«ã¯æ»åŸã®åœãå¿ èŠã§ãã
ã©ãã»ã³ã³ã»ã³ãµã¹ã®æåã§ã¯ãç°è«ã¯ããšãåããªããšãæçšã§ããåŸãŸããçå£ãªå察æèŠã¯ããã¹ããæŽç·Žãããå®è£ ãªã¹ã¯ãæããã«ããé ããã³ã¹ããç¹å®ããåŸã®ã¬ãã¥ãŒã®ããã®åããçã¿åºãããšãã§ããŸããããããç°è«ã«ã¯æ»åŸã®åœãå¿ èŠã§ããã³ã³ã»ã³ãµã¹ã宣èšããããå察æèŠãæ¶ãããªããããã»ã¹ã¯èªãã課ãããšãéžãã ã³ã¹ãã®èšæ¶ã倱ããŸãã
ããå ç¢ãªå®è·µã¯ãéèŠãªç°è«ãæ§é åããã圢ã§ä¿åããããšã§ããããäžæºã®ç»é²ç°¿ãšããŠã§ã¯ãªããæåŠæš©ãšããŠã§ããªããèšé²ã¯ãå察æèŠããããé¢ä¿ãã圱é¿ã¯ã©ã¹ããªãè°é·ããããã³ã³ã»ã³ãµã¹ã劚ããªããšå€æãããããããŠå®è£ åŸã«ã©ã®èšŒæ ããã§ãã¯ãã¹ããã瀺ãã§ããããããã¯è°è«ã®ããŒã³ãæ¹åããã§ãããããšã³ãã£ãã£ã¯ãæããè°è«ãäŸç¶ãšããŠæž¬å®ã圢äœãåŸãããšãç¥ãã§ããããè°é·ã¯ãããã»ã¹ã劚ããããšãªããå°æ°æŽŸã®çå£ãªæžå¿µãèªèã§ããã§ããããRIPE NCC ã®ã¹ã¿ããã¯ãèšé²ãããæžå¿µããµããŒããšææšã®èšç»ã«äœ¿çšã§ããã§ãããã
ãã£ããã£ãŒãããããã»ã¹ã¯ããã°ãã°ç°è«ããã€ãºãšããŠæ±ããŸããæ°åè ãé ããŠå察ããïŒããã»ã¹ã¯ããã®åé¡ã¯ãã§ã«è°è«ããããšèšããå°èŠæš¡äºæ¥è ã忥çãªèšèã§å察ããïŒããã»ã¹ã¯ãæ¿çã¯ç§çãªåæ¥åé¡ã解決ã§ããªããšèšãããããŒã«ãŒãç§»è»¢æ©æŠã«å察ããïŒããã»ã¹ã¯ãããŒã«ãŒãå©å®³é¢ä¿è ãšããŠéãããã»ãã¥ãªãã£ãšã³ãã£ãã£ãéçšè² æ ãèŠåããïŒããã»ã¹ã¯ãã»ãã¥ãªãã£äžã®å©çã®æ¹ã倧ãããšèšããæã«ãããã®å€æã¯æ£ããã§ãã远跡ããŒã¿ãªãã§ã¯ãéããããå察æèŠãçŸå®ã®ã³ã¹ããäºæž¬ããŠãããã©ãããã·ã¹ãã ãåŠã¶ããšã¯æ±ºããŠãããŸããã
ç°è«ã®æ»åŸã®åœã¯ãå°åç倿§æ§ã«ãšã£ãŠç¹ã«éèŠã§ããäœæåŸã髿©æŠãå¶è£ã«ææãªåžå Žããã®æžå¿µã¯ããã®ãããªãšã³ãã£ãã£ãã»ãšãã©çºèšããªãããããŸããããããŸããããããéžè©±ãšããŠåŽäžããããªããããã»ã¹ã¯ãããæ²é»ããéå±€ã代衚ããŠãããã©ãããæ±ºããŠçºèŠã§ããªããããããŸãããæžå¿µãèšé²ããåŸã®èšŒæ ããã§ãã¯ããããšã¯ããã®èª€ããé¿ããããã®äœã³ã¹ããªæ¹æ³ã§ãã
RIPE ã¯ãã§ã«ã¢ãŒã«ã€ããéèŠããŠããŸããæ¬¡ã®ã¹ãããã¯ãã¢ãŒã«ã€ããåæçã«ããããšã§ããã¹ã¬ããã¢ãŒã«ã€ãã¯ãäœãèšããããã瀺ããŸããæ§é åãããç°è«èšé²ã¯ãã³ã³ã»ã³ãµã¹ãã©ã®ãªã¹ã¯ãåãå ¥ãããã瀺ããŸãããã®åºå¥ã¯ã誀ã£ãã³ã³ã»ã³ãµã¹ã®ã³ã¹ããåŸã«ã移転å²åŒããªãŒã¹è¿åããµããŒãåŸ ã¡è¡åãRPKI æ··ä¹±ãææ°æãžã®åæãšããŠçŸãããšãã«éèŠã§ãã
ãã£ããã£ãŒã¯ RIPE NCC ã«ãšã£ãŠãã³ã¹ããé«ã
ã³ã³ã»ã³ãµã¹ã»ãã£ããã£ãŒã¯ããã°ãã°ã¢ãŠããµã€ããŒãžã®äžå©çãšããŠæåãããŸãïŒå°èŠæš¡äºæ¥è ãåŸçºåå ¥è ãåãæãã¬ã¬ã·ãŒãªãœãŒã¹ä¿æè ãé éå°ã®å°åã¡ã³ããŒããã㯠RIPE NCC ã«ãšã£ãŠãã³ã¹ããé«ãã§ããå éšè ã«ãã£ãŠåœ¢äœããããšèªèãããæ¿çãå®è£ ããã¬ãžã¹ããªã¯ãéåžžã®æ±ºå®ãæè·ããããã«ããå€ãã®å¶åºŠçè³æ¬ãè²»ãããªããã°ãªããŸãããåã移転é å»¶ãææ°æææ¡ãç£æ»èŠæ±ãRPKI æªçœ®ãããã®èåŸã«ããããã»ã¹ãçããšèªèãããå ŽåãããçãããèŠããŸãã
RIPE NCC ã®å®éäžã®æš©åšã¯ä¿¡é Œã«äŸæ ããŠããŸããããã¯äž»æš©çèŠå¶è ã§ã¯ãããŸããããã®ãªã©ã³ãã®æ³äººæ Œãå¥çŽãã¡ã³ããŒæç¥šãçäºäŒæ§é ãã³ãã¥ããã£ããã»ã¹ãçŸå®ã®æš©åšãçã¿åºããŸãããã¬ãžã¹ããªã¯ããããå¶çŽãããŠãããšä¿¡ãããªãœãŒã¹ä¿æè ãšã«ãŠã³ã¿ãŒããŒãã£ã«äŸåããŠããŸãããã®ä¿¡å¿µã匱ãŸããšããã¹ãŠã®è£éç衚é¢ãé²åŸ¡ãã«ãããªããŸãã移転é å»¶ã¯æ¿æ²»çã«èŠããŸããææ°æåŒãäžãã¯èªå·±å©ççã«èŠããŸããå¶è£ãã§ãã¯ã¯è£éçå§åã«èŠããŸããRPKI 倱å¹ã¯ã¬ãã¬ããžã«èŠããŸããç£æ»ã¯ããŒã¿åè³ªäœæ¥ã§ã¯ãªãè åšã«èŠããŸãã
ã³ã¹ãã¯é²è¡çãªèšèªã«çŸããŸããå§åäžã®å¶åºŠã¯ããã°ãã°ããã»ã¹ãéãããŠããããšãã³ãã¥ããã£ãã³ã³ã»ã³ãµã¹ã«éããããšãæç¶ããèžãŸããããšããããŠãã®ã«ãŒã«ãäœå¹ŽãååšããŠããããšãç¹°ãè¿ããŸãããããã®å£°æã¯çå®ãããããŸããããããã¯åå ã®çµæžæ§ã«ã€ããŠã®èŠæ ã«çããŠããŸãããããã»ã¹ã远ãäœè£ããªãã£ãã¡ã³ããŒã¯ãããã»ã¹ãå©çšå¯èœã ã£ããšèããŠãå®å¿ããŸããã
ãã£ããã£ãŒã®èªèã¯ãŸããRIPE NCC ãå¿ èŠãªæ±ºå®ãè¡ãèœåã匱ããŸããããã«ãŒã«ã¯äžäººæ°ã§ãããªãããå¿ èŠã§ããããäžæ£é²æ¢ã«ã¯æ€èšŒãå¿ èŠã§ããRPKI è¡çã¯ãç¶ç¶çã«æ éããå§ä»»ã«å¯Ÿããæªçœ®ãå¿ èŠãšãããããããŸãããå¶è£éµå®ã¯ååŒããããã¯ãããããããŸãããããŒã¿å質ãã§ãã¯ã¯ã¡ã³ããŒã«è² æ ãããããããããŸãããææ°æã¯ã»ãã¥ãªãã£ãšç¶ç¶æ§ã«è³éãäŸçµŠããããã«å¿ èŠãããããŸãããã¬ãžã¹ããªã¯ãããããå°é£ãªã±ãŒã¹ãåæ©ã«ã€ããŠã®åœæ°æç¥šã«ãªããã«ãããããããšãè¡ããå¿ èŠããããŸããæåã®é²åŸ¡ã¯ãå°é£ãªã±ãŒã¹ãçŸããåã«ã³ã¹ããžã®å¹ åºãèªèãç€ºãæ¿çèšé²ã§ãã
ã¹ã¿ããã®ã³ã¹ãããããŸããæ¿çãã³ãã¥ããã£æ®µéã§éå°åæãããŠãããšãRIPE NCC ã®ã¹ã¿ãããå®è£ äžã«è€éããåžåããŸãã圌ãã¯æ··ä¹±ããã¡ã³ããŒã«çãããšããžã±ãŒã¹ãåŠçãããµããŒãè² è·ãåžåãã説æãèµ·èããã¢ããŒã«ãåŠçããæ¿çèšèªãéçšç決å®ã«ç¿»èš³ããªããã°ãªããŸãããçãã¢ã¯ãã£ããªã³ã³ã»ã³ãµã¹ã¯ãã«ãŒã«ãæ¡æããããšãã«ã¯èŠããªãã£ãäœæ¥ãåäŒã«èª²ãå¯èœæ§ããããŸããã¡ã³ããŒããã®äœæ¥ã«è³éãæäŸããææ°æè°è«ãäžä¿¡ã®å¥ã®å ŽãšãªããŸãã
ãããã£ãŠããã£ããã£ãŒã«å¯Ÿæããèšèšã¯ãå¶åºŠçãªã¹ã¯ç®¡çã§ããåå ã®éçãèšé²ããçµæãæž¬å®ããã³ã¹ããåæãããç°è«ãä¿åããã¬ãžã¹ããªã¯ãèªãã®é²åºãæžãããŸããããã¯ãå°èŠæš¡ä¿æè ã®è² æ ãèæ ®ãã移転ã®åœ±é¿ã枬å®ããæè¡çã¡ã³ããã³ã¹ãåžå Žç®¡çããåé¢ããå®è£ åŸã«åæãå蚪ããããšã蚌æ ãšãšãã«èšãããšãã§ããŸããããã¯ãã¡ã³ããŒã«åžžé£ãä¿¡é Œããããæ±ãããããå ç¢ã§ãã
ã³ã³ã»ã³ãµã¹ãç Žå£ããã«ãã£ããã£ãŒã«å¯Ÿæããèšèš
RIPE ã¯ã³ã³ã»ã³ãµã¹ãæŸæ£ããå¿ èŠã¯ãããŸãããæç¥šã«éãã眮ããããã»ã¹ãå¿ ãããåªããŠããããã§ã¯ãããŸãããããã¯åå¡ãäŒæ¥ãããã¯ãäœæ å ±ãã£ã³ããŒã³ããããã¯é¢é£ãã声ãå¢ããããšãã§ããäŒæ¥ã«ãã£ãŠãã£ããã£ãŒããããããããŸãããRIPE NCC ããŸããã³ãã¥ããã£æ¿çãã¹ã¿ããã«ããèŠå¶ã«å€æãã¹ãã§ã¯ãããŸãããæ¢åã®æåã«ã¯çã®åŒ·ã¿ããããŸãïŒæè¡çæ·±ããå ¬éã¢ãŒã«ã€ããç¶ç¶æ§ãäœã圢åŒçåå ¥éå£ãè°è«ã«ããããã¹ãã®æŽç·Žèœåã§ãã
å®è·µçãªç®æšã¯ããããã®åŒ·ã¿ãä¿ã¡ãªãããã£ããã£ãŒã®ãªã¹ã¯ãæžããããšã§ããåžå°ãªãœãŒã¹ã«åœ±é¿ãäžããææ¡ã¯ã圱é¿ã¯ã©ã¹ã®ãããã³ã°ããå§ããã¹ãã§ãããã®ãããã¯ãå°èŠæš¡ LIRãå€§èŠæš¡ãããã¯ãŒã¯ãã¬ã¬ã·ãŒãªãœãŒã¹ä¿æè ãã¹ãã³ãµãŒLIRããšã³ããŠãŒã¶ãŒãè²·ãæã売ãæããããŒã«ãŒããªãŒã¹æäŸè ãåãæãRPKI ãªãã¬ãŒã¿ãŒãéåŒã DNS ã«å€§ããäŸåãããªãã¬ãŒã¿ãŒãå¶è£ã«ææãªã¡ã³ããŒãã³ã¹ããè² æ ããããªå°ååžå Žãç¹å®ããã§ããããããã¯æåŠæš©ãçã¿åºããŸãããã³ã³ã»ã³ãµã¹èšé²ãäœãå«ã¿ãäœãçç¥ããŠãããã瀺ãã§ãããã
å®è£ åæã¯ãã¹ã¿ããã«ãšã£ãŠã®å®çŸå¯èœæ§ã ãã§ãªããå€éšã³ã¹ãã®ã«ããŽãªãŒãå«ãã¹ãã§ããæµåæ§ãåºå®çãªã³ã³ãã©ã€ã¢ã³ã¹ã³ã¹ããå°èŠæš¡äºæ¥è ãžã®è² æ ããªãŒã¹ãžã®ã€ã³ã»ã³ãã£ããRPKI ç¶ç¶æ§ãéåŒã DNS ãžã®åœ±é¿ãRIR éç§»åæ§ãã¬ã¬ã·ãŒãªãœãŒã¹ã®ç¢ºå®æ§ã蚎èšãªã¹ã¯ãèæ ®ã«å ¥ããã¹ãã§ãã广ãäžæãªããèšé²ã¯ãã®æšãè¿°ã¹ãåŸã§äœã枬å®ããããå®çŸ©ãã¹ãã§ãã
è°é·ã®ã³ã³ã»ã³ãµã¹å£°æã¯ãéèŠãªå察æèŠãåæããããªãããããæ±ºå®çã§ãªãã£ããã説æãã¹ãã§ãããã¹ãŠã®ã¡ãã»ãŒãžãå審çããå¿ èŠã¯ãããŸãããäžåšã®èªè ã«å¯ŸããŠãå察æèŠãåçãåŸãããè£ä»ãããªãã£ãããç¯å²å€ããé ãã£ãããåé§ãããããåŸã®ã¬ãã¥ãŒã®ãªã¹ã¯ãšããŠåãå ¥ããããããäŒããã¹ãã§ããããã«ãããã³ã³ã»ã³ãµã¹ãç¹æ€ãããããªããŸãã
åžå Žå¹æãæã€æ¿çã«ã€ããŠã¯ãå®è£ åŸã®ã¬ãã¥ãŒãéåžžãšãªãã¹ãã§ãã移転ãRPKIãéåŒã DNSãã¬ã¬ã·ãŒèšé²ãééããŸãã¯ææ°æã«åœ±é¿ããã«ãŒã«ã¯ãäžå®æéåŸã«èšŒæ ãšãšãã«æ»ã£ãŠããã¹ãã§ãïŒç³è«æ°ãé å»¶ããµããŒãã±ãŒã¹ã倱å¹ã倱æãè¿åãå°èŠæš¡äºæ¥è ã®åé¡ããããŠåœåã®åé¡ãæ¹åãããã©ããã蚌æ ã«èããããªãã³ã³ã»ã³ãµã¹ã¯ãããŸãã«è匱ã§ããã
ããã»ã¹ã¯ãŸãã圱é¿ãåãããæä¹ åã®äœãã°ã«ãŒãã®ããã«ãäœæ©æŠã®è²¢ç®çµè·¯ãäœãåºãã¹ãã§ããçãæ§é åãããçžè«ãå¹³æãªèšèªã®èŠçŽãçãçµã£ã質åãè·é¢ã«é©å¿ãã説æäŒãéåæã®èšé²ã¯ã泚ç®ãããã³ã¹ããæžããããšãã§ããŸãããããã¯ã¡ãŒãªã³ã°ãªã¹ããè£å®ãã¹ãã§ããã眮ãæããã¹ãã§ã¯ãããŸãããã¡ãŒãªã³ã°ãªã¹ãã¯äŸç¶ãšããŠèšé²ã§ãïŒè¿œå ã®ããŒã«ã¯ãããã«è²¢ç®ã§ãã人å£ãæ¡å€§ããŸãã
çäºäŒã®ç£èŠã¯ãæ¿çã®è€éããäºç®ãšãªã¹ã¯ã«çµã³ã€ããã¹ãã§ããã³ã³ã»ã³ãµã¹ããããå€ãã®ã¹ã¿ãããããå€ãã®æ³ç審æ»ãããå€ãã®ãµããŒãããŸãã¯ããå€ãã®ã·ã¹ãã ãå¿ èŠãšããã«ãŒã«ãçã¿åºããªããçäºäŒã¯äºæ¥èšç»ãšæéè°è«ã«ãããŠãã®ã³ã¹ããèŠããããã«ãã¹ãã§ããã³ãã¥ããã£ã¯ã¡ã³ããŒã«é ããã³ã¹ããçã¿åºãã¹ãã§ã¯ãããŸãããã¡ã³ããŒã¯è«æ±æžãèŠãã«ã³ã³ã»ã³ãµã¹ã«è³éãäŸçµŠãã¹ãã§ã¯ãããŸããã
ãããã¯ãã·ã¹ãã ã®çµæžçéã¿ã«æ¯ã¹ãŠæ§ãããªå€æŽã§ãããããã¯ãã³ã³ã»ã³ãµã¹ããã»ã¹ã«ãèªãã«ã€ããŠã®èšŒæ ãçã¿åºãããæ±ããŸãã
ãã£ããã£ãŒãããã³ã³ã»ã³ãµã¹ã«å¯ŸããèŠæç¹
第äžã®èŠæç¹ã¯ãåžå°ãªãœãŒã¹ã«è§Šããæ¿çã«ãããŠãæ²é»ãäŸç¶ãšããŠåæãšããŠæ©èœããŠãããã©ããã§ããææ¡ã移転ãRPKIãéåŒã DNSãã¬ã¬ã·ãŒãªãœãŒã¹ã®èªå®ãééãå¶è£ãšã¯ã¹ããŒãžã£ãŒããŸãã¯ææ°æã«åœ±é¿ããå Žåãèšé²ã¯ã©ã®åœ±é¿ã°ã«ãŒããçŸããã©ããçŸããªãã£ããã瀺ãã¹ãã§ããäžåšã¯æ å ±ã§ããããã¯æ¿èªã§ã¯ãããŸããã
第äºã®èŠæç¹ã¯ãã¢ãžã§ã³ãã»ã³ã³ãããŒã«ã§ããçµæžçå察æèŠãã©ãã«éãããããç£èŠããŠãã ãããç§»è»¢ã®æžå¿µãç¹°ãè¿ãç§çå¥çŽãšããŠæ±ããããªããææ°æãžã®åœ±é¿ãæ¿çã®è€éããšåãé¢ããŠæ±ããããªãããŸãã¯ãªãŒã¹åé¡ããã®çšå°æ§ã·ã°ãã«ãæ€èšãããåã«æé€ããããªããéæŸæ§ã¯åœ±é¿åãªãã«ååšãåŸãŸããåãã¯ã人ã ã話ãããã©ããã ãã§ãªããæ±ºå®çãªãã©ãŒã©ã ã圌ããèãããšãã§ãããã©ããã§ãã
第äžã®èŠæç¹ã¯ããã£ãã©ãªãŒã§ããä¿å šãã¹ãã¥ã¯ãŒãã·ãããè¡¡å¹³æ§ãæ£ç¢ºæ§ãã»ãã¥ãªãã£ã¯ãæ¿çã®æ£åœãªçç±ã§ããåŸãŸããããã§ãããããã¯æž¬å®å¯èœãªå¹æã«ç¿»èš³ãããã¹ãã§ãã誰ãåŸ ã€ã®ãïŒèª°ãæ¯æãã®ãïŒèª°ãæµåæ§ã倱ãã®ãïŒèª°ãä¿è·ãåŸãã®ãïŒã©ã®ãããªäžæ£ãåé¿ãããã®ãïŒã©ã®æ£åœãªæŽ»åãé ããã®ãïŒãããã®è³ªåã«çããããªãèšèªã¯åæã§ã¯ãªããéºç£ã®æš©åšã§ãã
第åã®èŠæç¹ã¯ãäŒæ¥èŠæš¡ã®é察称æ§ã§ããåºå®è²»ãçã¿åºãã«ãŒã«ã¯ããã°ãã°å€§èŠæš¡äºæ¥è ã«ãã£ãŠåžåãããå°èŠæš¡äºæ¥è ã«ãã£ãŠçåã«æããããŸããæ¿çèšé²ãæ¡æåã«ãã®é察称æ§ãç¹å®ãããå®è£ åŸã«ãããæž¬å®ããªããªããã³ã³ã»ã³ãµã¹ã¯ã¹ã¿ãããåŒè·å£«ãäœè£ãæç¶ãäžã®æµæ¢ããæã€è ãåªéããåŸåãããã§ãããã
第äºã®èŠæç¹ã¯æè¡çæš©åšã§ããRPKI ãšéåŒã DNS ã®æ¿çã¯ãçŽç²ã«éçšçã«èŠããªãããä¿æè ãåãæã顧客ãè² ããªã¹ã¯ãå€ããå¯èœæ§ããããŸããæè¡çã³ã³ã»ã³ãµã¹ããéç¥ææšãä¿®æ£ããŒã¿ãå埩çµè·¯ãå°èŠæš¡äºæ¥è ãžã®è² æ ã«é¢ãã蚌æ ãå«ãã§ãããã©ãããç£èŠããŠãã ãããã»ãã¥ãªãã£ã¡ã³ããã³ã¹ã¯ãã¬ãžã¹ããªæš©éã®æªæ€èšã®æ¡åŒµãšãªãã¹ãã§ã¯ãããŸããã
第å ã®èŠæç¹ã¯ãç°è«ãçè·¡ãæ®ããã©ããã§ããæããçå£ãªå察æèŠããåŸã«ãã§ãã¯ãã¹ãææšãå®çŸ©ãã¹ãã§ããã³ã³ã»ã³ãµã¹ã宣èšããããç°è«ãæ¶å€±ãããªããããã»ã¹ã¯èªããåãå ¥ããã³ã¹ãã®èšæ¶ã倱ããŸããç°è«ãåŸã®èšŒæ ã圢äœããªããããã»ã¹ã¯åŠç¿ããŸãã
æåŸã®èŠæç¹ã¯ãRIPE ã®æ¿æ²»æåãã圢åŒçãªéæŸæ§ã¯å¹³çãªåœ±é¿åã§ã¯ãªãããšãèªãããããã©ããã§ããæã匷ãã³ã³ã»ã³ãµã¹ã¯ã誰ãã話ããã¯ãã ãšèšããã®ã§ã¯ãããŸãããããã¯ãå¶åºŠã誰ã話ãäœè£ããªãã£ãããæ¢ãã圌ãã«èª²ãããè² æ ãæž¬å®ãã蚌æ ããããæ±ãããšããã§ã«ãŒã«ãå¶çŽããããšã蚌æãããã®ã§ããIPv4 æ¯æžåŸã®çµæžã§ã¯ããã®èšŒæ ãã³ãã¥ããã£ã¬ããã³ã¹ãšã³ã³ã»ã³ãµã¹ã»ãã£ããã£ãŒãšã®éãã§ãã

