1. Erlangãšã¯
Erlangã¯ã䞊è¡æ§ãåæ£ãããã³ãã©ãŒã«ããã¬ã©ã³ã¹ãæã€ã·ã¹ãã ã®éçºã®ããã«èšèšãããé¢æ°åããã°ã©ãã³ã°èšèªã§ãããã®èšèªã¯ããªã¢ã«ã¿ã€ã ã·ã¹ãã ãé«å¯çšæ§ã·ã¹ãã ã®éçºã«ç¹ã«é©ããŠããŸãã
1.1. Erlangã®ç¹åŸŽãšå©ç¹
Erlangã®äž»ãªç¹åŸŽã¯ã軜éãªããã»ã¹ãã¡ãã»ãŒãžããã·ã³ã°ããªã¢ã«ã¿ã€ã ã¹ã±ãžã¥ãŒãªã³ã°ãããã³ãããã³ãŒãã¢ããã°ã¬ãŒããªã©ãé«åºŠãªäžŠè¡æ§ãšåæ£ã®ãµããŒããæã£ãŠããããšã§ãã
ãããã®ç¹åŸŽã«ãããErlangã¯ä»¥äžã®ãããªå©ç¹ãæã£ãŠããŸãïŒ
- é«ããã©ãŒã«ããã¬ã©ã³ã¹ïŒ ã·ã¹ãã ã®äžéšãæ éããŠããå šäœã®åäœã«åœ±é¿ãäžããããšãªããæ éããéšåã修埩ãŸãã¯çœ®ãæããããšãã§ããŸãã
- ã¹ã±ãŒã©ããªãã£ïŒ ã·ã¹ãã ã®èŠä»¶ãå€ãã£ãŠããæ°ããããŒããè¿œå ããããšã§å®¹æã«ã¹ã±ãŒã«ã¢ãŠãããããšãã§ããŸãã
- ãªã¢ã«ã¿ã€ã åŠçïŒ Erlangã¯ããªã¢ã«ã¿ã€ã ã®å¿çæ§ãæã€ã¢ããªã±ãŒã·ã§ã³ã®éçºã«é©ããŠããŸãã
1.2. Erlangã®äž»ãªçšé
Erlangã¯ããã®ç¹æ§ã掻ãããŠãããŸããŸãªåéã§äœ¿çšãããŠããŸããç¹ã«ãéä¿¡ãéèãIoTãªã©ã®åéã§ã®ã¢ããªã±ãŒã·ã§ã³éçºã«åºãæ¡çšãããŠããŸãããŸããWhatsAppãRabbitMQãªã©ã®å€§èŠæš¡ãªåæ£ã·ã¹ãã ã®ããã¯ãšã³ããšããŠã䜿çšãããŠããŸãã
ãããã®çšéã¯ãErlangãæã€é«ããã©ãŒã«ããã¬ã©ã³ã¹ãã¹ã±ãŒã©ããªãã£ããªã¢ã«ã¿ã€ã åŠçã®èœåãæ倧éã«æŽ»çšããŠããŸããããã«ãããErlangã¯å€ãã®äŒæ¥ãéçºè ããé«ãè©äŸ¡ãããŠããŸãã
2. å¯æ¥ãšããŠã®Erlangã®é å
è¿å¹Žãããã°ã©ãã³ã°ã®ã¹ãã«ãæã€äººã ã¯ããã®èœåã掻ãããŠå¯æ¥ãè¡ãããšãå¢ããŠããŸãããäžã§ããErlangã¯ãã®ç¬ç¹ã®ç¹æ§ã掻ãããŠãå¯æ¥ãšããŠéåžžã«é åçãªéžæè¢ãšãªã£ãŠããŸãã
2.1. Erlangã掻çšããå¯æ¥ã®ã¡ãªãã
Erlangã掻çšããå¯æ¥ã«ã¯ãããã€ãã®å€§ããªã¡ãªããããããŸãããŸããErlangã¯é«ããã©ãŒã«ããã¬ã©ã³ã¹ãšã¹ã±ãŒã©ããªãã£ãæã€ããã倧èŠæš¡ãªã·ã¹ãã ããªã¢ã«ã¿ã€ã ã®ã¢ããªã±ãŒã·ã§ã³ã®éçºã«é©ããŠããŸããããã«ããã倧æäŒæ¥ãã¹ã¿ãŒãã¢ããããã®æ¡ä»¶ã®äŸé Œãå¢ããå¯èœæ§ããããŸãã
ãŸããErlangã®ã³ãã¥ããã£ã¯éåžžã«æŽ»çºã§ãå€ãã®æ å ±ããµããŒããæäŸãããŠããŸããããã«ãããå¯æ¥ãšããŠã®ãããžã§ã¯ããé²ããéã«ãæè¡çãªåé¡ãçåã«å¯ŸããŠè¿ éã«è§£æ±ºçãèŠã€ããããšãã§ããŸãã
2.2. Erlangã®åžå Žã§ã®éèŠ
Erlangã®åžå Žã§ã®éèŠã¯ããã®ç¹æ§ã掻ãããåéã§éåžžã«é«ãŸã£ãŠããŸããç¹ã«ãéä¿¡ãéèãIoTãªã©ã®åéã§ã®ã¢ããªã±ãŒã·ã§ã³éçºã«ãããŠãErlangã®ã¹ãã«ãæã€éçºè ã¯é«ãè©äŸ¡ãããŠããŸãã
ãŸããããªãŒã©ã³ã¹ã®ãã©ãããã©ãŒã ãæ±äººãµã€ããèŠããšãErlangã«é¢é£ããæ¡ä»¶ã®æ°ãå¢å åŸåã«ãããŸããããã¯ãErlangãæã€é«ããã©ãŒã«ããã¬ã©ã³ã¹ããªã¢ã«ã¿ã€ã åŠçã®èœåããå€ãã®äŒæ¥ããããžã§ã¯ãã§æ±ããããŠããããã§ãã
ãã®ããã«ãErlangã®åžå Žã§ã®éèŠã¯é«ããå¯æ¥ãšããŠã®é åã倧ãããšèšããŸãã
3. Erlangã掻çšããæ¡ä»¶ç²åŸã®æ¹æ³
ããã°ã©ãã³ã°ã®ã¹ãã«ãæã€è ãšããŠãErlangã®ç¥èã掻ãããŠæ¡ä»¶ãç²åŸããæ¹æ³ã¯å€å²ã«ããããŸãã以äžã§ã¯ãErlangã掻çšããæ¡ä»¶ç²åŸã®ããã®å¹æçãªæ¹æ³ãããã€ã玹ä»ããŸãã
3.1. 人æ°ã®ããæ±äººãµã€ãã®æŽ»çš
çŸåšãå€ãã®æ±äººãµã€ããããªãŒã©ã³ã¹ã®ãã©ãããã©ãŒã ãååšããŠããããããã掻çšããããšã§Erlangã«é¢é£ããæ¡ä»¶ãèŠã€ããããšãã§ããŸããç¹ã«ãIndeedãLinkedInãªã©ã®å€§æã®æ±äººãµã€ãã«ã¯ãErlangã䜿çšãããããžã§ã¯ãã®æ±äººãå€æ°æ²èŒãããŠããŸãã
ãããã®ãµã€ããå®æçã«ãã§ãã¯ããããšã§ãææ°ã®æ¡ä»¶æ å ±ããã£ããããããšãã§ããèªåã®ã¹ãã«ãçµéšã«åã£ãæ¡ä»¶ãèŠã€ããããšãã§ããŸãã
3.2. ãããã¯ãŒãã³ã°ãšã³ãã¥ããã£åå
ãããã¯ãŒãã³ã°ã¯ãæ°ããæ¡ä»¶ãä»äºã®æ©äŒãèŠã€ããããã®åŒ·åãªæ段ã§ããErlangã®ã³ãã¥ããã£ãã€ãã³ãã«åå ããããšã§ãåãèå³ãæã€äººã ãšã®ç¹ãããæã€ããšãã§ããŸãã
ãŸããErlangã«é¢ããã»ãããŒãã¯ãŒã¯ã·ã§ããã«åå ããããšã§ãææ°ã®æè¡æ å ±ããã¬ã³ããç¥ãããšãã§ããèªåã®ã¹ãã«ãã¢ããããŒãããããšãã§ããŸãã
3.3. ããŒããã©ãªãªã®äœæãšã¢ããããŒã
æ¡ä»¶ãç²åŸããããã«ã¯ãèªåã®ã¹ãã«ãçµéšãã¢ããŒã«ããããŒããã©ãªãªãäžå¯æ¬ ã§ããErlangã䜿çšããéå»ã®ãããžã§ã¯ããææç©ããŸãšãããããå ¬éããããšã§ãã¯ã©ã€ã¢ã³ããéçšè ã«èªåã®èœåã瀺ãããšãã§ããŸãã
ããŒããã©ãªãªã¯å®æçã«ã¢ããããŒãããããšã§ãææ°ã®ã¹ãã«ãçµéšãåæ ãããããšãã§ããŸããããã«ãããããå€ãã®æ¡ä»¶ã®æ©äŒãåŸãããšãã§ããã§ãããã
4. Erlangã®ã¹ãã«ã¢ãããšåŠç¿ãªãœãŒã¹
ããã°ã©ãã³ã°èšèªãæè¡ã®ç¿åŸã¯ãé©åãªåŠç¿ãªãœãŒã¹ãå®è·µãéããŠé²ããããšãéèŠã§ããErlangãäŸå€ã§ã¯ãããŸããã以äžã§ã¯ãErlangã®ã¹ãã«ãåäžãããããã®ãªãœãŒã¹ãæ¹æ³ã玹ä»ããŸãã
4.1. ãªã³ã©ã€ã³ã³ãŒã¹ãšæžç±
çŸåšãå€ãã®ãªã³ã©ã€ã³ã³ãŒã¹ãæžç±ãErlangã®åŠç¿ããµããŒãããŠããŸããç¹ã«ãUdemyãCourseraãªã©ã®ãªã³ã©ã€ã³åŠç¿ãã©ãããã©ãŒã ã«ã¯ãErlangã®åºç€ããå¿çšãŸã§ãã«ããŒããã³ãŒã¹ãæäŸãããŠããŸãã
ãŸããæžç±ãéåžžã«æå¹ãªåŠç¿ãªãœãŒã¹ã§ãã詳现ãªèª¬æãå®äŸãéããŠãæ·±ãç解ãåŸãããšãã§ããŸããErlangã®å ¬åŒããã¥ã¡ã³ããå°éæžã掻çšããããšã§ãããé«åºŠãªç¥èãæè¡ãç¿åŸããããšãã§ããŸãã
4.2. å®è·µçãªãããžã§ã¯ãã®ã¢ã€ãã£ã¢
åŠç¿ããç¥èãå®è·µã«ç§»ãããšã¯ãã¹ãã«ã¢ããã®ããã«éåžžã«éèŠã§ããErlangã䜿çšããŠãç°¡åãªãã£ããã¢ããªã±ãŒã·ã§ã³ããªã¢ã«ã¿ã€ã ã®ããŒã¿åŠçã·ã¹ãã ãªã©ã®ãããžã§ã¯ããäœæããããšã§ãå®éã®éçºçµéšãç©ãããšãã§ããŸãã
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4.3. ã³ãã¥ããã£ãšãµããŒã
Erlangã®ã³ãã¥ããã£ã¯éåžžã«æŽ»çºã§ãå€ãã®æ å ±ããµããŒããæäŸãããŠããŸãããã©ãŒã©ã ãã¡ãŒãªã³ã°ãªã¹ããéããŠãä»ã®éçºè ãšã®äº€æµãæã€ããšã§ãæè¡çãªåé¡ãçåã«å¯ŸããŠè¿ éã«è§£æ±ºçãèŠã€ããããšãã§ããŸãã
ãŸããErlangã®ã€ãã³ããããŒãã¢ããã«åå ããããšã§ãææ°ã®æè¡æ å ±ããã¬ã³ããç¥ãããšãã§ããèªåã®ã¹ãã«ãã¢ããããŒãããããšãã§ããŸãã
5. å¯æ¥ãšããŠã®æåäºäŸ
å€ãã®Erlangãšã³ãžãã¢ãå¯æ¥ãéããŠæåãåããŠããŸãããã®èæ¯ã«ã¯ãErlangã®ç¬ç¹ã®ç¹æ§ã掻ããããããžã§ã¯ãã®éèŠãããšã³ãžãã¢èªèº«ã®åãçµã¿æ¹ã圱é¿ããŠããŸãã以äžã§ã¯ãå¯æ¥ãšããŠæåãåããErlangãšã³ãžãã¢ã®äºäŸãã圌ããçŽé¢ãããã£ã¬ã³ãžãšãã®è§£æ±ºçã«ã€ããŠçŽ¹ä»ããŸãã
5.1. æåããErlangãšã³ãžãã¢ã®ã€ã³ã¿ãã¥ãŒ
ããErlangãšã³ãžãã¢ã¯ãå¯æ¥ãšããŠã®ãããžã§ã¯ãã§å€§æäŒæ¥ã®ãªã¢ã«ã¿ã€ã éä¿¡ã·ã¹ãã ã®éçºãæ åœãããã®æåãåããŸããã圌ã¯ãErlangã®é«ããã©ãŒã«ããã¬ã©ã³ã¹ãšã¹ã±ãŒã©ããªãã£ã掻ããã倧èŠæš¡ãªã·ã¹ãã ã®éçºãã¹ã ãŒãºã«é²ããããšãã§ããããšèªã£ãŠããŸãã
ãŸãã圌ã¯Erlangã®ã³ãã¥ããã£ã®ãµããŒããããªã³ã©ã€ã³ã§ã®åŠç¿ãªãœãŒã¹ã掻çšããŠãæè¡çãªåé¡ãè¿ éã«è§£æ±ºããããšãã§ãããšãè¿°ã¹ãŠããŸãã
5.2. å¯æ¥ã§ã®ãã£ã¬ã³ãžãšè§£æ±ºç
å¯æ¥ãšããŠã®ãããžã§ã¯ãã«ã¯ãæéã®å¶çŽãã³ãã¥ãã±ãŒã·ã§ã³ã®èª²é¡ãªã©ãããŸããŸãªãã£ã¬ã³ãžã䌎ããŸããããããæåãåãããšã³ãžãã¢ãã¡ã¯ããããã®èª²é¡ãä¹ãè¶ããããã®ç¬èªã®è§£æ±ºçãèŠã€ããŠããŸãã
äŸãã°ãæéã®å¶çŽã«å¯ŸããŠã¯ãã¿ã¹ã¯ç®¡çããŒã«ã掻çšããŠå¹ççã«äœæ¥ãé²ããããŸãã¯å®æçãªã³ãã¥ãã±ãŒã·ã§ã³ããšãããšã§ããããžã§ã¯ãã®é²æã確èªããå¿ èŠãªãµããŒããåããããšãæããããŸãã
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6. ãŸãšã
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6.1. Erlangã掻çšããå¯æ¥ã®å°æ¥æ§
Erlangã¯ããã®é«ããã©ãŒã«ããã¬ã©ã³ã¹ãã¹ã±ãŒã©ããªãã£ãªã©ã®ç¹æ§ãæã€èšèªãšããŠãå€ãã®å€§èŠæš¡ãªã·ã¹ãã ããªã¢ã«ã¿ã€ã éä¿¡ã·ã¹ãã ã®éçºã«äœ¿çšãããŠããŸãããããã®ç¹æ§ã¯ãä»åŸãå€ãããæ±ããããã§ããããããErlangã®ã¹ãã«ãæã€ãšã³ãžãã¢ã®éèŠã¯ä»åŸãé«ãŸããšäºæ³ãããŸãã
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6.2. æ¡ä»¶ç²åŸã®ããã®æçµã¢ããã€ã¹
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