ืคืืืข ืืขื ืืฉื ืืึธืื ืืืกืืึธืืข ืืขืืขืจื ืืืขืื Anycast. ืืื ืืขื ืืืคึฟื ืคืื ื ืขืฅ ืึทืืจืขืกืื ื ืืื ืจืืืื ื, ืึท ืืืื IP ืึทืืจืขืก ืืื ืึทืกืืื ื ืฆื ืงืืืคื ืกืขืจืืืขืจืก ืืืืฃ ืึท ื ืขืฅ. ืื ืกืขืจืืืขืจืก ืงืขื ืขื ืืคืืื ืืืื ืืืื ืืื ืืึทืื ืกืขื ืืขืจืก ืืืืึทื ืคึฟืื ืืขืืขืจ ืื ืืขืจืขืจ. ืืขืจ ืืขืืึทื ืง ืคืื Anycast ืืื ืึทื, ืืืคึผืขื ืืื ื ืืืืฃ ืื ืึธืจื ืคืื ืื ืืขืื ืืงืืจ, ืื ืืึทืื ืืขื ืขื ืืขืฉืืงื ืฆื ืื ื ืืจืึทืกื (ืืืื ืื ื ืขืฅ ืืึทืคึผืึทืืึทืืืฉื, ืืขืจ ืืขื ืื, ืื BGP ืจืืืื ื ืคึผืจืึธืืึธืงืึธื) ืกืขืจืืืขืจ. ืืขื ืืืขื, ืืืจ ืงืขื ืขื ืจืขืืืฆืืจื ืื ื ืืืขืจ ืคืื ื ืขืฅ ืืึธืคึผืก ืืื ืืืืืึทื ืกื.
ืืกืขื ืฉืึทืื, ืืขืจ ืืขืืืืงืขืจ ืืึทืจืฉืจืื ืืื ืึทืืืืขืจืืืืื ืคึฟืื ืงืืืคื ืืึทืื ืกืขื ืืขืจืก ืึทืจืื ืื ืืืขืื. ืืืื, ืงืืืืึทื ืฅ ืืืขื ืืืื ืืขืฉืืงื ืฆื ืื "ืืขืกืืขืจ" ืืื "ืงืืึธืืืกื" ืืืืืจื ืืืืฃ BGP ืจืืฅ, ืื ืืึทืื ืฆืขื ืืขืจ. ืคืืจืืืืก Anycast? ืคืืจืืืืก ื ืืฆื Anycast ืึทื ืฉืืึธื ืคืื Unicast?
Unicast ืืื ืืึทืงืข ืคึผืึทืกืืง ืคึฟืึทืจ ืึท ืคึผืืึทืฅ ืืื ืืืื ืืืขื ืกืขืจืืืขืจ ืืื ืึท ืืขืกืืง ืคืึทืจืงืขืจ. ืึธืืขืจ, ืืืื ืึท ืืื ืกื ืืื ืืืืืึทื ื ืคืื ืืืื ืขื ืื, ืขืก ืืืืฉืึทืืืึทืื ื ืืฆื ืคืืืข ืืืขื ืกืขืจืืืขืจืก, ืืขืืขืจ ืืื ืืขืจ ืืขืืืืงืขืจ IP ืึทืืจืขืก. ืื ืกืขืจืืืขืจืก ืืขื ืขื ืคืื ืื ืืขืจืืขืืืืื ืืขืึธืืจืึทืคืืงืึทืืื ืฆื ืึธืคึผืืืืึทืืื ืืื ืขื ืจืืงืืืขืก.
ืืื ืืขื ืกืฆืขื ืึทืจ, Anycast ืืืขื ืคึฟืึทืจืืขืกืขืจื ืคืึธืจืฉืืขืืื ื (ืคืึทืจืงืขืจ ืืื ืืขืฉืืงื ืฆื ืืขืจ ืืึทื ืืฆืขืจ ืืื ืืื ืืืึทื ืคืึทืจืืึทืืื), ืขื ืฉืืจ ืื ืจืืืืืึทืืืืึทืื ืคืื ืื ืกืขืจืืืืก (ืืึทื ืง ืฆื ืืึทืงืึทืคึผ ืกืขืจืืืขืจืก) ืืื ืืึทืกืข ืืึทืืึทื ืกืื ื - ืจืืืื ื ืฆื ืขืืืขืืข ืกืขืจืืืขืจืก ืืืขื ืืคืขืงืืืืืื ืคืึทืจืฉืคึผืจืืืื ืื ืืึทืกืข ืฆืืืืฉื ืืื, ืืืคึผืจืืืืื ื ืื ืืืืงืืึทื. ืคืื ืืขื ืคึผืืึทืฅ.
ืึธืคึผืขืจืืืืขืจื ืคืึธืจืฉืืึธืื ืงืืืืึทื ืฅ ืคืึทืจืฉืืื ืืืืคึผืก ืคืื ืืึทืกืข ืืึทืืึทื ืกืื ื ืืืืืจื ืืืืฃ Anycast ืืื DNS. ืงืืืืึทื ืฅ ืงืขื ืขื ืกืคึผืขืฆืืคืืฆืืจื IP ืึทืืจืขืกืขืก ืฆื ืืืึธืก ืจืืงืืืขืก ืืืขื ืืืื ืืขืฉืืงื ืืืืืจื ืืืืฃ ืื ืืืฉืืึทืืจืึทืคืืง ืึธืจื ืคืื ืืขื ืคึผืืึทืฅ. ืืึธืก ืืืื ืขืก ืืขืืืขื ืฆื ืคืึทืจืฉืคึผืจืืืื ืืึทื ืืฆืขืจ ืจืืงืืืขืก ืืขืจ ืคืืขืงืกืึทืืึทื.
ืจืขืื ืขืก ืืขื ืขื ืขืืืขืืข ืืืืืืขื ืฆืืืืฉื ืืืึธืก ืืืจ ืืึทืจืคึฟื ืฆื ืคืึทืจืฉืคึผืจืืืื ืื ืืึทืกืข (ื ืืฆืขืจืก), ืืืฉื, ืึทื ืึธื ืืืื ืงืจืึธื ืืื 100 ืจืืงืืืขืก ืคึผืขืจ ืืึธื ืึธืืขืจ ืึท ืคืึธืืงืก ืืืึธื. ืฆื ืืึทืืจืขื ืขืฆื ืื ืืขืื ื ืคืื ืืืึธืก ืืืืขืจื ืึทืงืกืขืก ืึท ืกืคึผืขืฆืืคืืฉ ืคึผืืึทืฅ, ืืืจ ืงืขื ืขื ื ืืฆื ืื Geo Community ืึธืคึผืฆืืข. ืขืก ืึทืืึทืื ืืืจ ืฆื ืืึทืืจืขื ืขืฆื ืื ืืขืื ื ืืื ืืืึธืก ืืขืจ ืึธืคึผืขืจืึทืืึธืจ ืืืขื ืืขืืื ืืขื ืืึทืจืฉืจืื.
ืึทื ืืงืึทืกื ืืื ืื ืืงืึทืกื: ืืืคืขืจืึทื ืกืื
ืึทื ืืงืึทืกื ืืื ืึธืคื ืืขื ืืฆื ืืื ืึทืคึผืืึทืงืืืฉืึทื ื ืึทืืึท ืืื DNS (Domain Name System) ืืื CDN (Content Delivery Networks), ืืืึธืก ืึทืืึทืื ืจืืืื ื ืืืกืืืฉืึทื ื ืืืึธืก ืคึฟืึทืจืืขืกืขืจื ื ืขืฅ ืคืึธืจืฉืืขืืื ื. ืืื ืืึทืื ืขืงืกืคึผืจืขืก ื ืขืืืืึธืจืงืก ื ืืฆื Anycast ืืืืึทื ืืื ืืึทื ืืืขื ืืื ืืจืืืก ืืืึทืืืืื ืคืื ืคืึทืจืงืขืจ, ืืื Anycast ืืื ืึท ื ืืืขืจ ืคืื ืึทืืืืึทื ืืืืืฉืื ืืื ืืขื ืคืึทื (ืืขืจ ืืืืฃ ืืื ืืื ืื). ืืื DNS, Anycast ืึทืืึทืื ืืืจ ืฆื ืืืืืืืืง ืคืึทืจืืจืขืกืขืจื ืื ืืืจืื ืคืื ืจืืืืืึทืืืืึทืื ืืื ืฉืืื ืืึธืืขืจืึทื ืฅ ืคืื ืื ืกืขืจืืืืก.
ืืื Anycast IP, ืืืขื ืืืจ ื ืืฆื BGP, ืขืก ืืขื ืขื ืงืืืคื ืจืืฅ ืฆื ืึท ืกืคึผืขืฆืืคืืฉ ืืึทืืขืืึธืก. ืืึธืก ืืขื ืขื ืึทืงืฉืื ืงืืคืืขืก ืคืื ืืื ืืช ืืื ืงืืืคื ืืึทืื ืกืขื ืืขืจืก, ืืขื ืืฆื ืฆื ืคืึทืจืืืืื ื ืืืขืจืืงืขืจ ืืืืืึทื ืกื ืงืึทื ืขืงืฉืึทื ื.
ืึทืืื, ืืื ืึทื Anycast ื ืขืฅ, ืื ืืขืืืข IP ืึทืืจืขืก ืืื ืึทืืืืขืจืืืืื ืคึฟืื ืคืึทืจืฉืืืขื ืข ืขืจืืขืจ, ืืื ืื ื ืขืฅ ืืืกืืืื ืืื ืฆื ืืึทืจืฉืจืื ืื ืืงืฉื ืคืื ืืขืจ ืืึทื ืืฆืขืจ ืืืืืจื ืืืืฃ ืื "ืงืึธืกืื" ืคืื ืืขืจ ืืึทืจืฉืจืื. ืคึฟืึทืจ ืืืึทืฉืคึผืื, BGP ืืื ืึธืคื ืืขื ืืฆื ืฆื ืืึทืฉืืืกื ืื ืฉืึธืจืืืกื ืืึทืจืฉืจืื ืคึฟืึทืจ ืืึทืื ืืจืึทื ืกืืืกืืข. ืืืขื ืึท ืืึทื ืืฆืขืจ ืกืขื ืื ืึทื ืึทื ืืงืึทืกื ืืขืื, BGP ืืืืขืจืืึทื ื ืืขืจ ืืขืกืืขืจ ืืึทืจืฉืจืื ืคึฟืึทืจ ืื ืืืฆื ืึทื ืืงืึทืกื ืกืขืจืืืขืจืก ืืืืฃ ืืขืจ ื ืขืฅ.
Benefits ืคืื Anycast
ืจืขืืืกืื ื ืืืืืึทื ืก
ืกืืกืืขืืขื ืืื Anycast ืงืขื ืขื ืจืขืืืฆืืจื ืื ืืืืืึทื ืกื ืืืขื ืคึผืจืึทืกืขืกืื ื ืืึทื ืืฆืขืจ ืจืืงืืืขืก ืืืืึทื ืืื ืืึธืื ืืืจ ืืึทืงืืืขื ืืึทืื ืคืื ืื ื ืืจืึทืกื ืกืขืจืืืขืจ. ืึทื ืืื, ื ืืฆืขืจืก ืืืขืื ืฉืืขื ืืืง ืคืึทืจืืื ืื ืฆื ืื "ืงืืึธืืืกื" (ืคืื ืึท ืจืืืื ื ืคึผืจืึธืืึธืงืึธื ืคืื ื ืคืื ืืืื ืื ื) ืื ืก ืกืขืจืืืขืจ. ืืื ืึท ืจืขืืืืืึทื, Anycast ืจืึทืืืกืึทื ืื ืืขืจืึทืงืฉืึทื ืฆืืื ืืืจื ืจืืืืกืื ื ืื ื ืขืฅ ืืืกืืึทื ืกืข ืฆืืืืฉื ืืขื ืงืืืขื ื ืืื ืกืขืจืืืขืจ. ืืึธืก ื ืื ืืืืื ืจืึทืืืกืึทื ืืืืืึทื ืกื ืึธืืขืจ ืืืื ืืื ืืึทืกืข ืืึทืืึทื ืกืื ื.
ืืืืงืืึทื
ืืืืึทื ืคืึทืจืงืขืจ ืืื ืจืึทืืืื ืฆื ืื ื ืืจืึทืกื ื ืึธืืข ืืื ืื ืืืืืึทื ืกื ืฆืืืืฉื ืืขื ืงืืืขื ื ืืื ืื ื ืึธืืข ืืื ืจืืืืกื, ืืขืจ ืจืขืืืืืึทื ืืื ืึธืคึผืืืืืืขื ืขืงืกืคึผืจืขืก ืืืืงืืึทื, ืงืืื ืขื ืื ืืื ืืขืจ ืงืืืขื ื ืืื ืจืืงืืืขืกืืื ื ืืื ืคึฟืึธืจืืึทืฆืืข.
ืืขืืืืงืกื ืคืขืกืืงืืึทื ืืื ืฉืืื ืืึธืืขืจืึทื ืฅ
ืืืื ืขืืืขืืข ืกืขืจืืืขืจืก ืึทืจืื ืื ืืืขืื ื ืืฆื ืื ืืขืืืข IP, ืืืื ืืืื ืขืจ ืคืื ืื ืกืขืจืืืขืจืก ืคืืืื ืึธืืขืจ ืืื ืืืกืงืึทื ืขืงืืื, ืคืึทืจืงืขืจ ืืืขื ืืืื ืจืืืขืจืขืงืืื ืฆื ืื ื ืืจืึทืกื ืกืขืจืืืขืจ. ืืื ืึท ืจืขืืืืืึทื, Anycast ืืืื ืื ืืื ืกื ืืขืจ ืจืืืืืืึทื ื ืืื ืืื ืืขืกืขืจ ื ืขืฅ ืึทืงืกืขืก / ืืืืืึทื ืกื / ืืืืงืืึทื.
ืึทืืื, ืืืจื ืงืขืกืืืืขืจืืืง ืงืืืคื ืกืขืจืืืขืจืก ืื ืืืฆื ืคึฟืึทืจ ืืืืขืจื, Anycast, ืืืฉื, ืืืคึผืจืืืื ืื ืก ืคืขืกืืงืืึทื. ืืืื ืึท ื ืึธืืข ืคืืืื, ืืึทื ืืฆืขืจ ืจืืงืืืขืก ืืืขื ืืืื ืจืืืขืจืขืงืืื ืฆื ืื ืื ืืขืจ ืื ืก ืกืขืจืืืขืจ ืึธื ืงืืื ืืึทื ืืึทื ืื ืืขืจืืืขื ืืืึธื ืึธืืขืจ ืจืืงืึทื ืคืืืืขืจืืืฉืึทื. Anycast ืืื ืืืขื ืืจืึทื ืกืคึผืขืจืึทื ื ืกืืืืืฉืื ื ืฆื ืื ืืขืจืข ืืืืืืขื ืืืจื ืคืฉืื ืจืืืืืืื ื ืื ืจืืฅ ืคืื ืื ืคึผืจืึธืืืขืืึทืืืง ืคึผืืึทืฅ.
ืืึทืกืข ืืึทืืึทื ืกืื ื
ืืื Anycast, ื ืขืฅ ืคืึทืจืงืขืจ ืืื ืคืื ืื ืืขืจืืขืืืืื ืืืืฃ ืคืึทืจืฉืืืขื ืข ืกืขืจืืืขืจืก. ืืึธืก ืืื, ืขืก ืึทืงื ืืื ืึท ืืึทืกืข ืืึทืืึทื ืกืขืจ, ืคึผืจืขืืืขื ืืื ื ืงืืื ืืืื ืกืขืจืืืขืจ ืคืื ืจืืกืืืืื ื ืื ืคืึทืจื ืขื ืคืื ืื ืคืึทืจืงืขืจ. ืืึธืื ืืึทืืึทื ืกืื ื ืงืขื ืขื ืืืื ืืขืืืืื ื, ืคึฟืึทืจ ืืืึทืฉืคึผืื, ืืืขื ืขืก ืืขื ืขื ืงืืืคื ื ืขืฅ ื ืึธืืื ืืื ืืขืจ ืืขืืืืงืขืจ ืืืฉืืึทืืจืึทืคืืง ืืืกืืึทื ืกืข ืคืื โโืื ืืขืื ืืงืืจ. ืืื ืืขื ืคืึทื, ืื ืืึทืกืข ืืื ืคืื ืื ืืขืจืืขืืืืื ืฆืืืืฉื ืื ื ืึธืืื.
ืจืขืืืฆืืจื ืื ืคึผืจืึทื ืคืื DoS ืื ืคืืื
ืื ืื ืืขืจ ืฉืืจืื ืคืื Anycast ืืื ืืืึทื DDoS ืงืขืื ืฉืืขื. DDoS ืื ืคืืื ืืขื ืขื ืึทื ืืืืงืื ืฆื ืงืขื ืขื ืฆื ืืจืขื ืืขื ืึทืจืึธืคึผ ืึทื Anycast ืกืืกืืขื, ืืืืึทื ืืื ืืืึธืื ืืึธืื ืฆื ืึธืืืืขืจืืืขืื ืึทืืข ืกืขืจืืืขืจืก ืืื ืึทืืึท ืึท ื ืขืฅ ืืื ืึท ืืึทืืืื ืข ืคืื โโืจืืงืืืขืก.
DDoS ืื ืคืืื ืึธืคื ื ืืฆื ืืึธืื ืขืฅ, ืืืึธืก ืงืขื ืขื ืืืฉืขื ืขืจืืื ืึทืืื ืคืื ืคืึทืจืงืขืจ ืึทื ืขืก ืึธืืืขืจืืึธืึทืืก ืื ืงืขืื ืกืขืจืืืขืจ. ืื ืืืึทืืข ืคืื โโื ืืฆื Anycast ืืื ืืขื ืกืืืืึทืฆืืข ืืื ืึทื ืืขืืขืจ ืกืขืจืืืขืจ ืืื ืืืืืืช ืฆื "ืึทืืืึธืจืื" ืืืื ืคืื ืื ืืึทืคืึทืื, ืืืึธืก ืจืึทืืืกืึทื ืื ืืึทืกืข ืืืืฃ ืืขื ืืึทืืื ืืขืจ ืกืขืจืืืขืจ. ื ืึธืคึผืืืืงืขื ืื ื ืคืื ืืื ืกื ืืึทืคืึทืื ืืืขื ืจืืึฟ ืืกืชึผืื ืืืื ืืึธืืงืึทืืืืื ืฆื ืื ืกืขืจืืืขืจ ืืื ืืืขื ื ืืฉื ืืืืจืงื ืื ืืื ืฆืข ืืื ืกื.
ืืืื ืืึธืจืืืึธื ืืึทื ืกืงืึทืืึทืืืืืื
ืึทื ืืงืึทืกื ืกืืกืืขืืขื ืืขื ืขื ืืขืืื ื ืคึผืึทืกืืง ืคึฟืึทืจ ืืึทืืื ืื ืืก ืืื ืืจืืืก ืืืึทืืืืื ืคืื ืคืึทืจืงืขืจ. ืืืื ืึท ืืื ืกื ื ืืฆื Anycast ืจืืงืืืืืขืจื ื ืืึท ืกืขืจืืืขืจืก ืฆื ืฉืขืคึผื ืืขืืืืงืกื ืคืึทืจืงืขืจ, ื ืืึทืข ืกืขืจืืืขืจืก ืงืขื ืขื ืืืื ืืืกืืฃ ืฆื ืื ื ืขืฅ ืฆื ืฉืขืคึผื ืขืก. ืืื ืงืขื ืขื ืืืื ืืขืฉืืขืื ืืืืฃ ื ืืึทืข ืึธืืขืจ ืืืืืกืืื ื ืืืืืืขื.
ืืืื ืึท ืืึทืืื ืืขืจ ืึธืจื ืืื ืืงืกืคึผืืจืืึทื ืกื ืึท ืืจืืืก ืคืึทืจืืจืขืกืขืจื ืืื ืคืึทืจืงืขืจ, ืึทืืื ื ืึท ืกืขืจืืืขืจ ืืืขื ืืขืืคึฟื ืืึทืืึทื ืกืืจื ืื ืืึทืกืข ืคึฟืึทืจ ืืขื ืคึผืืึทืฅ. ืึทืืื ื ืึท ืกืขืจืืืขืจ ืืืืฃ ืึท ื ืืึทืข ืคึผืืึทืฅ ืืืขื ืืขืืคึฟื ืจืขืืืฆืืจื ืื ืืืึทืจืื ืฆืืื ืืืจื ืฉืึทืคึฟื ืึท ื ืืึทืข ืฉืึธืจืืืกื ืืึทืจืฉืจืื ืคึฟืึทืจ ืขืืืขืืข ืืืืขืจื. ืืืืืข ืืขืืืึธืืก ืืืื ืืขืืคึฟื ืคึฟืึทืจืืขืกืขืจื ืื ืคืขืกืืงืืึทื ืคืื ืื ืกืขืจืืืืก ืืืขื ื ืืึทืข ืกืขืจืืืขืจืก ืืืขืจื ืืืจืขืืืืื ืืืืฃ ืืขืจ ื ืขืฅ. ืืขื ืืืขื, ืืืื ืึท ืกืขืจืืืขืจ ืืื ืึธืืืืขืจืืึธืืืื, ืืืจ ืงืขื ืขื ืคืฉืื ืฆืขืืืืงืืขื ืื ืื ืืขืจ ืืืื ืขืจ ืืื ืึท ืึธืจื ืืืึธืก ืึทืืึทืื ืขืก ืฆื ืึธื ื ืขืืขื ืขืืืขืืข ืืืื ืคืื ืื ืึธืืืืขืจืืึธืืืื ืกืขืจืืืขืจ ืก ืจืืงืืืขืก. ืืึธืก ืืื ื ืืฉื ืืึทืจืคื ืงืืื ืงืึทื ืคืืืืขืจืืืฉืึทื ืคืื ืื ืงืืืืึทื ืฅ.
ืืืืื ืืืืฃ ืืขื ืืืขื ืงืขื ืขื ืืขืจืึทืืืฅ ืคืื ืคืึทืจืงืขืจ ืืื ืึท ืืืืขืจ ืืจืืืก ื ืืืขืจ ืคืื ื ืืฆืขืจืก ืืื ืขื ืืืขื ืืขืจ ืกืขืจืืืขืจ ืืื ืืืืื ืึท ืืืกื 10 ืึธืืขืจ 25 ืืืคึผืก ืคึผืึธืจืฅ. 100 ืืื ืืช ืืื ืืืื IP ืึทืืจืขืก ืืืขื ืืึทืื ืขืก ืืขืืืขื ืฆื ืคึผืจืึธืฆืขืก ืืขืจืึทืืืืข ืืืึทืืืืื ืคืื ืคืึทืจืงืขืจ.
ืืจืื ื ืงืึทื ืคืืืืขืจืืืฉืึทื ืคืึทืจืืืึทืืืื ื
ืืื ืืขืจืืื ื ืืืืื, ืึท ืืฉืืงืึทืืืข ื ืืฆื ืคืื Anycast ืืื DNS. ืืืจ ืงืขื ืขื ืฉืืขืื ืขืืืขืืข ืคืึทืจืฉืืืขื ืข ืื ืก ืกืขืจืืืขืจืก ืืืืฃ ื ืขืฅ ื ืึธืืื, ืึธืืขืจ ื ืืฆื ืืืื ืื ืก ืึทืืจืขืก. ืืขืคึผืขื ืืื ื ืืืืฃ ืืื ืื ืืงืืจ ืืื ืืืื, ืจืืงืืืขืก ืืขื ืขื ืจืึทืืืื ืฆื ืื ื ืืจืึทืกื ื ืึธืืข. ืืึธืก ืืื ืขืืืขืืข ืคืึทืจืงืขืจ ืืึทืืึทื ืกืื ื ืืื ืืืขืจืืงืืึทื ืืื ืื ืืขืฉืขืขื ืืฉ ืคืื ืึท DNS ืกืขืจืืืขืจ ืืืจืืคืึทื. ืืขื ืืืขื, ืึทื ืฉืืึธื ืคืื ืงืึทื ืคืืืืขืจืื ื ืคืึทืจืฉืืืขื ืข ืื ืก ืกืขืจืืืขืจืก ืืืคึผืขื ืืื ื ืืืืฃ ืืื ืืื ืืขื ืขื ืืืื, ืื ืงืึทื ืคืืืืขืจืืืฉืึทื ืคืื ืืืื ืื ืก ืกืขืจืืืขืจ ืงืขื ืขื ืืืื ืคึผืจืึทืคึผืึทืืืืืื ืฆื ืึทืืข ื ืึธืืื.
ืึทื ืืงืึทืกื ื ืขืืืืึธืจืงืก ืงืขื ืขื ืืืื ืงืึทื ืคืืืืขืจื ืฆื ืืึทืจืฉืจืื ืจืืงืืืขืก ื ืื ืืืืื ืืืืืจื ืืืืฃ ืืืกืืึทื ืกืข, ืึธืืขืจ ืืืื ืืืืฃ ืคึผืึทืจืึทืืขืืขืจืก ืึทืืึท ืืื ืื ืืืึทืืืึทื ืคืื ืึท ืกืขืจืืืขืจ, ืื ื ืืืขืจ ืคืื ืืขืืจืื ืืขื ืงืึทื ืขืงืฉืึทื ื. ืึธืืขืจ ืขื ืืคืขืจ ืฆืืื.
ืงืืื ืกืคึผืขืฆืืขืืข ืกืขืจืืืขืจืก, ื ืขืืืืึธืจืงืก ืึธืืขืจ ืกืคึผืขืฆืืขื ืงืึทืืคึผืึธืื ืึทื ืฅ ืืขื ืขื ืคืืจืืื ืื ืืืืฃ ืืขื ืงืืืขื ื ืืืึทื ืฆื ื ืืฆื Anycast ืืขืื ืึธืืึธืืืข. ืึธืืขืจ Anycast ืืืื ืืื ืืืื ืืึทืื ืกืืืื. ืขืก ืืื ืืขืืืื ื ืึทื ืืืึทื ืืืคึผืืึทืืขื ืืืืฉืึทื ืืื ืึท ืงืึธืืคึผืืขืงืก ืึทืจืืขื, ืจืืงืืืืืจืื ื ื ืึธื ืืืกืจืืื, ืคืึทืจืืึธืืืขื ืคึผืจืึทืืืืืืขืจื ืืื ืืขืืขืจืืง ืคืึทืจืงืขืจ ืจืืืื ื.
ืืืืึทื ืคืื ืจืืื ืืงืืจ ืฆื ืฉืืื ืงืืื
ืืึธืืฉ Anycast ืจืืฅ ื ืืฆืขืจืก ืืืืืจื ืืืืฃ ืื ืืื ืึทืกื ืืึธืคึผืก, ืืึธืก ืืื ื ืืฉื ืืึทืืืงืข ืืืื ืขื ืื ืืึธืืึทืกื ืืืืืึทื ืกื. ืืืืืึทื ืก ืืื ืึท ืืขืจ ืงืึธืืคึผืืืฆืืจื ืืขืืจืืง ืืืืึทื ืขืก ืงืขื ืืืื ืืขืืขืจ ืคึฟืึทืจ ืืืื ืืืขืจืืึทื ื ืืื ืคึฟืึทืจ ืฆืขื.
ืืืึทืฉืคึผืื: ืื ืืขืจืงืึทื ืืึทื ืขื ืืึทื ืงืึธืืื ืืงืึทืฆืืข ืงืขื ืึทืจืืึทื ืฆืืขื ืึท ืืืื ืืึธืคึผืงืขื ืืื ืืืืขืจ ืืืื ืืืืืึทื ืกื.
ืึทื ืืงืึทืกื ืืื ืืคึฟืจื ืืขื ืืฆื ืคึฟืึทืจ ืืืคึผ ืืืืืจื ืืึทืืื ืื ืืก ืึทืืึท ืืื ืื ืก. ืืึทื ืืฆืขืจ ืจืืงืืืขืก ืืขื ืขื ืจืึทืืืื ืฆื ืื "ืืขืกืืขืจ" ืืื "ืงืืึธืืืกื" ืืึทืื ืฆืขื ืืขืจ ืืืืืจื ืืืืฃ BGP ืจืืฅ.
ืืืึทืฉืคึผืื: ื ืื ืก ืงืืืขื ื ืืืขืจืงืกืืืืฉืึทื ืืื ืึทื Anycast DNS IP ืึทืืจืขืก ืคืื 123.10.10.10 ืคึผืขืจืคืึธืจืื ืื ืก ืืึทืืืึธืืข ืฆื ืื ืงืืึธืืกืึทืกื ืคืื ืืจืื ืื ืก ื ืึธืืขื ืกืขืจืืืขืจืก ืืืคึผืืืื ืืื ืืขืจ ืืขืืืืงืขืจ Anycast IP ืึทืืจืขืก. ืืืื ืจืึธืืืขืจ ืจ 1 ืึธืืขืจ ืกืขืจืืืืจืขืจ ื ืคืืืื, ืื ืก ืงืืืขื ื ืคึผืึทืงืืฅ ืืืขื ืืืื ืืืืืึธืืึทืืืฉ ืคืึธืจืืืขืจืืื ืฆื ืืขืจ ืืืืึทืืขืจ ืงืืึธืืกืึทืกื ืื ืก ืกืขืจืืืขืจ ืืืจื ืจืึธืืืขืจืก ืจ 2 ืืื ืจ 3. ืึทืืืืืืึธื ืึทืืื, ืืขืจ ืืึทืจืฉืจืื ืฆื ืืื ืืืขืจ ืกืขืจืืืขืจ ื ืืืขื ืืืื ืึทืืืขืงืืขื ืืืขื ืคืื ืื ืจืืืื ื ืืืฉื, ืคึผืจืขืืืขื ืืื ื ืืืืึทืืขืจ ื ืืฆื ืคืื ืืขื ื ืึทืืขืกืขืจืืืขืจ.
ืืืคึผืืืืืึทื ื ืกืื ืขืจืืึธืื
ืขืก ืืขื ืขื ืฆืืืื ืืขื ืขืจืึทื ืกืงืืื ืืืึธืก ืืขื ืขื ืืขื ืืฆื ืฆื ืืึทืฉืืืกื ืืืึธืก ืกืขืจืืืขืจ ืึท ืืึทื ืืฆืขืจ ืงืึทื ืขืงืฅ ืฆื:
- ืึทื ืืงืึทืกื ื ืขืฅ ืฉืืืืข. ืงืึทื ืขืงืฅ ืืขืจ ืืึทื ืืฆืขืจ ืฆื ืื ื ืืจืึทืกื ืกืขืจืืืขืจ. ืืขืจ ื ืขืฅ ืืจื ืคืื ืืขืจ ืืึทื ืืฆืขืจ ืฆื ืื ืกืขืจืืืขืจ ืืื ืืืืืืืง ืืึธ.
- ืึทืคึผืคึผืืืงืึทืืืึธื ืืืจืื ืึทื ืืงืึทืกื. ืืขืจ ืกืืขืืข ืืื ืืขืจ ืงืึทืืงืืึทืืืืืื ืืขืืจืืงืก, ืึทืจืืึทื ืืขืจืขืื ื ืกืขืจืืืขืจ ืึทืืืืืืึทืืืืึทืื, ืขื ืืคืขืจ ืฆืืื, ื ืืืขืจ ืคืื ืงืึทื ืขืงืฉืึทื ื, ืืื"ื ื. ืืึธืก ืืขืคึผืขื ืืก ืืืืฃ ืึท ืคืื ืืจืืืกื ืืืง ืืึธื ืืืึธืจ ืืืึธืก ืืื ื ืขืฅ ืกืืึทืืืกืืืง.
CDN ืืืืืจื ืืืืฃ Anycast
ืืึธืืืจ ืืืฆื ืฆืืจืืงืงืืืขื ืฆื ื ืืฆื Anycast ืืื ืืื ืืึทืื ืขืงืกืคึผืจืขืก ื ืขืืืืึธืจืงืก. Anycast ืืื ืึทืืืึทืืข ืึท ืืฉืืงืึทืืืข ื ืขืืืืึธืจืงืื ื ืืึทืืจืืฃ ืืื ืืื ืืืื ืื ื ืื ืงืจืืกืื ื ืึทืงืกืขืคึผืืึทื ืก ืฆืืืืฉื ืืืืึทืืขืจ-ืืขื CDN ืคึผืจืึทืืืืืืขืจื.
CDN ืืื ืึท ืคืื ืื ืืขืจืืขืืืืื ื ืขืฅ ืคืื ืกืขืจืืืขืจืก ืืืึธืก ืฆืืฉืืขืื ืืื ืืึทืื ืฆื ืกืืฃ ื ืืฆืขืจืก ืืื ืืืื ืึทืืืืืืึทืืืืึทืื ืืื ื ืืืขืจืืง ืืืืืึทื ืกื. ืืื ืืึทืื ืขืงืกืคึผืจืขืก ื ืขืืืืึธืจืงืก ืฉืคึผืืื ืึท ืืืืืืืง ืจืึธืืข ืืืึทื ื ืืื ืื ืืึทืงืืึธืื ืคืื ืคืืืข ืึธื ืืืื ืืขืืืข ืืึทืืื ืื ืืก, ืืื ืงืึธื ืกืืืขืจืก ืืขื ืขื ืื ืงืจืืกืื ืืื ืืืืื ืืงืขืจ ืืึธืืขืจืึทื ื ืคึฟืึทืจ ืคึผืึทืืขืืขื ืืจืืคืงืืคืืข ืกืคึผืืื. ืืืืืขื ืืื ืงืื ืึทืคึผืืึทืงืืืฉืึทื ื ืืขื ืขื ืกืคึผืขืฆืืขื ืฉืคึผืืจืขืืืืืง ืฆื ื ืขืฅ ืืืฉืืืขืจ ืืื ืืืืืึทื ืกื.
ื CDN ืงืึทื ืขืงืฅ ืึทืืข ืกืขืจืืืขืจืก ืืื ืืืื ื ืขืฅ ืืื ืื ืฉืืจื ืคืึทืกืืขืจ ืืึธืืืื ื ืคืื ืืื ืืึทืื. ืืื ืขืก ืืื ืืขืืืขื ืฆื ืจืขืืืฆืืจื ืื ืืืืจืื ืฆืืื ืคืื ืื ืืึทื ืืฆืขืจ ืืื 5-6 ืกืขืงืื ืืขืก. ืืขืจ ืฆืื ืคืื ืึท CDN ืืื ืฆื ืึทืคึผืืึทืืืื ืขืงืกืคึผืจืขืก ืืืจื ืกืขืจืืืื ื ืืื ืืึทืื ืคืื ืื ืกืขืจืืืขืจ ืืืึธืก ืืื ืงืืึธืืกืึทืกื ืฆื ืื ืกืืฃ ืืึทื ืืฆืขืจ. ืืึธืก ืืื ืืืืขืจ ืขื ืืขื ืฆื Anycast, ืืื ืื ืงืืึธืืกืึทืกื ืกืขืจืืืขืจ ืืื ืืืืกืืขืงืืืื ืืืืืจื ืืืืฃ ืืขืจ ืึธืจื ืคืื ืืขืจ ืกืืฃ ืืึทื ืืฆืขืจ. ืขืก ืืืึธืื ืืืกืงืืืขื ืึทื ืืขืืขืจ CDN ืกืขืจืืืืก ืฉืคึผืืึทืืขืจ ืืืึธืื ื ืืฆื Anycast ืืืจื ืคืขืืืงืืึทื, ืึธืืขืจ ืืื ืคืึทืงื ืืึธืก ืืื ื ืืฉื ืืขืจ ืคืึทื.
ืึทืคึผืคึผืืืงืึทืืืึธื ืก ืืืึธืก ื ืืฆื ืคึผืจืึธืืึธืงืึธืืก ืึทืืึท ืืื ืืืืคึผ / ืืงืคึผ ืคืึทืจืืึธืื ืืืืฃ ืื ืคึฟืึทืจืืื ืืื ื ืืื ืืขืืจืื ืืขื. ืืืื ืึท ื ืืึทืข Anycast ื ืึธืืข ืืื ืืืืกืืขืงืืืื (ืคึฟืึทืจ ืืืึทืฉืคึผืื, ืจืขืื ืฆื ืึท ืกืขืจืืืขืจ ืืืจืืคืึทื), ืื ืกืขืจืืืืก ืงืขื ืืืื ืื ืืขืจืึทืคึผืืื. ืืึธืก ืืื ืืืึธืก Anycast ืืื ืืขืืืขื ืืื ืึทืืขืจ ืจืขืงืึทืืขื ืืื ืคึฟืึทืจ ืงืึทื ืขืงืฉืึทื ื ืึธื ืืึทืืื ืื ืืก ืึทืืึท ืืื UDP ืืื DNS. ืึธืืขืจ, Anycast ืืืื ืึทืจืืขื ืืื ืคึฟืึทืจ ืงืึทื ืขืงืฉืึทื-ืึธืจืืขื ืืื ืคึผืจืึธืืึธืงืึธืืก, ืืืฉื, TCP ืึทืจืืขื ืืขืืื ื ืืื Anycast ืืึธืืข.
ืขืืืขืืข CDN ืคึผืจืึทืืืืืืขืจื ื ืืฆื Anycast-ืืืืืจื ืจืืืื ื, ืื ืืขืจืข ืืขืกืขืจ ืื ืก-ืืืืืจื ืจืืืื ื: ืื ืงืืึธืืกืึทืกื ืกืขืจืืืขืจ ืืื ืืืืกืืขืงืืืื ืืืืืจื ืืืืฃ ืืื ืืขืจ ืืึทื ืืฆืขืจ ืก ืื ืก ืกืขืจืืืขืจ ืืื ืืืื.
ืืืืจืื ืืื ืืึทืืื-ืืึทืื ืฆืขื ืืขืจ ืื ืคืจืึทืกืืจืึทืงืืฉืขืจ ืืขื ืขื ืื ืื ืืขืจ ืืืึทืฉืคึผืื ืคืื ืื ื ืืฆื ืคืื Anycast. ืื ืืึทืกืข ืืึทืืึทื ืกืื ื IP ืึทืืจืขืก ืืืงืืืขื ืคืื ืื ืฉืคึผืืึทืืขืจ ืึทืืึทืื ืืืจ ืฆื ืคืึทืจืฉืคึผืจืืืื ืื ืืึทืกืข ืฆืืืืฉื ืื IP ืึทืืจืขืกืขืก ืคืื ืคืึทืจืฉืืืขื ืข ืงืืืขื ื ืืึทืืื ืื ืืก ืืื ืื ืืึทืื ืฆืขื ืืขืจ ืคืื ืืขืจ ืฉืคึผืืึทืืขืจ. ืืึทื ืง ืฆื ืงืืื ืืืื ืืขืื ืึธืืึธืืืข, ืขืก ืืื ืืขืกืขืจ ืคืึธืจืฉืืขืืื ื ืืื ืืขืจ ืฉืืืขืจ ืคืึทืจืงืขืจ, ืฉืืื ืืึธืืขืจืึทื ืฅ ืืื ืืขืืคึผืก ืึทืคึผืืึทืืืื ืขื ืืคืขืจ ืฆืืื ืืืขื ืืืจ ืืึทื ืืืขื ืืื ืึท ืืจืืืก ื ืืืขืจ ืคืื ื ืืฆืขืจืก.
ืืื ืืืืืจืื ืืึทืืื-ืืึทืื ืฆืขื ืืขืจ ืื ืคืจืึทืกืืจืึทืงืืฉืขืจ, ืืืจ ืงืขื ืขื ืคืึทืจืฉืคึผืจืืืื ืคืึทืจืงืขืจ ืึทืจืืืขืจ ืกืขืจืืืขืจืก ืึธืืขืจ ืืคืืื ืืืืจืืืึทื ืืืฉืื ืขื ืืืืฃ ืืขืืึทืงืืืืึทื ืกืขืจืืืขืจืก.
ืืืื, ืขืก ืืื ืึท ืจืืืืง ืกืขืืขืงืฆืืข ืคืื โโืืขืื ืืฉ ืกืึทืืืฉืึทื ื ืคึฟืึทืจ ืื ืื ืื ืคืจืึทืกืืจืึทืงืืฉืขืจ. ืืืจ ืงืขื ืขื ืืืื ืงืึทื ืคืืืืขืจ ืืึทืกืข ืืึทืืึทื ืกืื ื ืฆืืืืฉื IP ืึทืืจืขืกืขืก ืึทืจืืืขืจ ืงืืืคื ืืึทืื ืกืขื ืืขืจืก, ืืึทืจืืึทืืื ื ืงืืื ืืืื ืืื ืึท ืืจืืคึผืข ืฆื ืึทืคึผืืึทืืืื ืคึผืืึทืฅ ืคืึธืจืฉืืขืืื ื.
ืืืจ ืงืขื ืขื ืคืึทืจืฉืคึผืจืืืื ืคืึทืจืงืขืจ ืืืื ืืืื ืืืืืขื ืข ืึผืืืื, ืืืคืืื ืื ื ืื "ืืืึธื" ืคืื ืืขืืขืจ ืคืื ืื ืคืื ืื ืืขืจืืขืืืืื ืกืขืจืืืขืจืก ืืื ืืขืืขืจ ืืึทืื ืฆืขื ืืขืจ. ืื ืงืึทื ืคืืืืขืจืืืฉืึทื ืืื ืกืคึผืขืฆืืขื ื ืืฆืืง ืืืขื ืขืก ืืื ืึท ืคืื ืื ืืขืจืืขืืืืื ืกืขืจืืืขืจ ืคึผืึทืจืง ืืื ืื ืคืึธืจืฉืืขืืื ื ืคืื ืกืขืจืืืืกืขืก ืืื ืึทื ืืืืึทื. ืืึธืก ืืืขื ืืึธืื ืคืึทืจืงืขืจ ืฆื ืืืื ืคืื ืื ืืขืจืืขืืืืื ืืขืจ ืึธืคื ืฆื ืคึฟืึทืจืืขืกืขืจื ืกืขืจืืืขืจ ืคืึธืจืฉืืขืืื ื.
ืฆื ืฉืึทืคึฟื ืึท ืืึธื ืืืึธืจืื ื ืกืืกืืขื ื ืืฆื ืื ืคึผืื ื ืืึทืคึฟืขื, ืขืก ืืื ืืขืืืขื ืฆื ืงืึทื ืคืืืืขืจ ืคึผืจืึธืืขืก. ืืึธืก ืึทืืึทืื ืืขืจ ืึทืืืื ืืกืืจืึทืืึธืจ ืฆื ืืขืคืื ืืจื ืืืืขืจ ืืืืืขื ืข ืืึธื ืืืึธืจืื ื ืคึผืจืึธืืกืืืืฉืขืจื ืืื ืืึทืงืืืขื ืึท ืงืืืจืขืจ ืืืื ืคืื ืื ืกืืึทืืืก ืคืื ืืขืืขืจ ืงืึธืืคึผืึธื ืขื ื ืืื ืื ืื ืคืจืึทืกืืจืึทืงืืฉืขืจ. ืืื ืืขื ืืืขื, ืึทืงืกืขืกืึทืืืืืื ืงืจืืืืืจืืึท ืงืขื ืขื ืืืื ืืืคืืื ื.
ืขืก ืืื ืืขืืืขื ืฆื ืืืืขื ืึท ืืืืืจืื ืื ืคืจืึทืกืืจืึทืงืืฉืขืจ: ืืื ืขืก ืืื ืืึทืงืืืขื ืฆื ืืึธืื ืื ืฆืืจืืง ืึธืคืืก ืืื ืื ืคึฟืืจืืข ื ืขืฅ, ืืื ืึทืืฆืึธืจืก ืื ืฆืืืื ื ืืืื ืฆื ืืขืจ ืฉืคึผืืึทืืขืจ.
ืขืก ืืื ืืขืืืขื ืฆื ืืืืื ืกืกื ืกืขืจืืืคืืงืึทืฅ ืคึฟืึทืจ ืืึทืกืข ืืึทืืึทื ืกืื ื, ืขื ืงืจืืคึผืฉืึทื ืคืื ืืจืึทื ืกืืืืืขื ืืึทืื ืืื ืืืืขืจืืืึทื ืคืื ืงืึธืืื ืืงืึทืฆืืข ืฆืืืืฉื ืคึผืืึทืฅ ืืืืืึทืืขืจื ืืื ืคึฟืืจืืข ืื ืคืจืึทืกืืจืึทืงืืฉืขืจ. ืืื ืคืึทื ืคืื ืืึทืกืข ืืึทืืึทื ืกืื ื ืฆืืืืฉื ืืึทืื ืกืขื ืืขืจืก, SSL ืงืขื ืขื ืืืื ืืืื ืืขืืืืื ื.
ืึทื ืืงืึทืกื ืืื ืกื ืืื ืึทืืจืขืก ืืึทืกืข ืืึทืืึทื ืกืื ื ืงืขื ืขื ืืืื ืืืงืืืขื ืคืื ืืืื ืฉืคึผืืึทืืขืจ. ืืขืจ ืฉืืจืื ืืืขื ืืขืืคึฟื ืคึฟืึทืจืืขืกืขืจื ืืื ืืืืขืจื ืื ืืขืจืึทืงื ืืื ืึทืคึผืคึผืก ืืืืืจื ืืืืฃ ืึธืจื. ืขืก ืืื ืืขื ืื ืฆื ืืขืืื ืืืึธืก ืกืขืจืืืืกืขืก ืืขื ืขื ืืืจืขืืืืื ืืื ืื ืืึทืื ืฆืขื ืืขืจ, ืืื ืคืึทืจืงืขืจ ืืืขื ืืืื ืจืืืขืจืขืงืืื ืฆื ืื ื ืืจืึทืกื ืื ืคืจืึทืกืืจืึทืงืืฉืขืจ. ืืืื ืขืก ืืขื ืขื ืืขืืึทืงืืืืึทื ืกืขืจืืืขืจืก, ืืืฉื ืืื ืคึฟืจืึทื ืงืจืืึทื ืึธืืขืจ ืฆืคืื ืึทืืขืจืืงืข, ืงืืืืึทื ืฅ ืืืขื ืืืื ืืืจืขืงืืขื ืฆื ืื ื ืืจืึทืกื ืกืขืจืืืขืจ ืืืืฃ ืื ื ืขืฅ.
ืืืื ืขืจ ืคืื ืื ืึธืคึผืฆืืขืก ืคึฟืึทืจ ื ืืฆื Anycast ืืื ืื ืึธืคึผืืืืึทื ืืจืืจื ืคืื ืึทื ืึธืคึผืขืจืึทืืึธืจ ืก ืคืื ื ืคืื ืืืึทืืืึทื (PoP). ืืืืืจ ืืขืื . ืืื ืงืขืืื (ืืคืืขืฉืืขืื ืืื ืจืืกืืึทื ื) ืกืืจืืืืื ื ืื ืืืืื ืฆื ืคึฟืึทืจืืขืกืขืจื ืื ืคืึธืจืฉืืขืืื ื ืืื ืืืืงืืึทื ืคืื ืืืึทื ืคึผืจืึธืืืงืื - ืจืืจืขืืืืืง ืืื ืืืขื ืึทืคึผืืึทืงืืืฉืึทื ื, ืึธืืขืจ ืืืื ืฆื ืคึฟืึทืจืืขืกืขืจื ืืืึทื ื ืขืฅ ืื ืคืจืึทืกืืจืึทืงืืฉืขืจ ืคึฟืึทืจ ืคืึทืกืืขืจ ืืื ืืึทืื ืขืงืกืคึผืจืขืก. ืคึฟืึทืจ ืืขื ืืื ืึทืืืฉ ืืื ืืึทืื ืขืงืกืคึผืจืขืก, ืืื ืงืขืืื ืึทืงืืืืืื ื ืืฆื ืคึผืึธืคึผืก - ืคืื ื ืคืื ืืืึทืืืึทื. Anycast ืืื ืืขื ืืฆื ืฆื ืคืืจื ืืืืขืจื ืฆื ืื ื ืืจืึทืกื ืคึผืึธืคึผ.
ืื ืกืืื ืืื ืึทื ืืื ืื ืคืึทื ืคืื Unycast, ืืขืืขืจ ืืื ืงืขืืื ืคึผืึธืคึผ ืืื ืึท ืืื ืฆืืง IP ืึทืืจืขืก. ืืืืขืจื ืืขื ืขื ืืึทื ืึทืกืืื ื ืฆื ืคึผืึธืคึผ ืืืืืจื ืืืืฃ ืืืืขืจ ืืืฉืืึทืืจืึทืคืืง ืึธืจื ื ืืฆื ืื ืก. ืื ืคึผืจืึธืืืขื ืืื ืึทื ืืืขื ื ืืฆื ืื ืก, ืืืขืื 30% ืคืื ืืืืขืจื ืืื ืื ืคืึทืจืืื ืืงืืข ืฉืืึทืื ืืขื ืขื ืจืืืขืจืขืงืืื ืฆื ืึท ืกืืืึธืคึผืืืืึทื ืคึผืึธืคึผ. ืืื ืื ืคืึทืกืขื ืืืคึผืืึทืืขื ืืืืฉืึทื ืคืื Anycast, ืกืืืึธืคึผืืืืึทื ืคึผืึธืคึผ ืึทืกืืื ืืึทื ื ืืื ืืขืคืืื ืคืื 31% ืฆื 10%.
ืื ืจืขืืืืืึทืื ืคืื ืื ืคึผืืืึธื ืคึผืจืืืืจื ืืขื ืขื ืืขืืืืื ืืื ืื ืืจืึทืคืืง, ืืื ืื ื-ืึทืงืก ืืื ืืขืจ ืคึผืจืึธืฆืขื ื ืคืื ืึธืคึผืืืืึทื ืคึผืึธืคึผ ืึทืกืืื ืืึทื ื. ืืื Anycast ืจืึทืืคึผืขื ืึทืจืืืฃ, ืคืืืข ืื.
ืึทื ืืงืึทืกื ื ืขืืืืึธืจืง ืืึธื ืืืึธืจืื ื
ืึทื ืืงืึทืกื ื ืขืืืืึธืจืงืก ืืขื ืขื ืคึผืฉืื ืืื ืืขืึธืจืืข: ืงืืืคื ืคืืืืฉ ืกืขืจืืืขืจืก ืืขื ืขื ืึทืกืืื ื ืื ืืขืืืข IP ืึทืืจืขืก, ืืืึธืก BGP ื ืืฆื ืฆื ืืึทืฉืืืืขื ืืขื ืืึทืจืฉืจืื. ืึธืืขืจ ืื ืืืคึผืืึทืืขื ืืืืฉืึทื ืืื ืคึผืืึทื ืคืื ืึทื ืืงืึทืกื ืคึผืืึทืืคืึธืจืืก ืืื ืงืึธืืคึผืืขืงืก, ืืื ืฉืืื-ืืึธืืขืจืึทื ื ืึทื ืืงืึทืกื ื ืขืืืืึธืจืงืก ืืขื ืขื ืกืคึผืขืฆืืขื ืืึทืจืืื ืคึฟืึทืจ ืืขื. ืืคืืื ืืขืจ ืืฉืึทืืึทื ืืืฉืื ื ืืื ืืคืขืงืืืืืื ืืึธื ืืืึธืจืื ื ืึทื Anycast ื ืขืฅ ืฆื ืืขืฉืืืื ื ืืืขื ืืืคืืฆืืจื ืืื ืืืึธืืืจื ืืกืจืื ืืช.
ืืืื ืกืขืจืืืืกืขืก ื ืืฆื ืึท ืืจืื-ืคึผืึทืจืืื CDN ืฉืคึผืืึทืืขืจ ืฆื ืืื ืขื ืืืืขืจ ืืื ืืึทืื, ืขืก ืืื ืืืืขืจ ืืืืืืืง ืคึฟืึทืจ ืืื ืฆื ืืึธื ืืืึธืจ ืืื ืืึทืฉืืขืืืงื ื ืขืฅ ืคืึธืจืฉืืขืืื ื. ืึทื ืืงืึทืกื-ืืืืืจื CDN ืืึธื ืืืึธืจืื ื ืคืึธืืงืืกืื ืืืืฃ ืืขืกืื ืกืืฃ-ืฆื-ืกืืฃ ืืืืืึทื ืกื ืืื ืคึผืขื ืึทืืืึทืืึทื ืืึธืคึผืงืขื ืคืึธืจืฉืืขืืื ื ืฆื ืคึฟืึทืจืฉืืืื ืืืึธืก ืืึทืื ืฆืขื ืืขืจ ืืื ืขื ืืขื ืืื ืืึทืื. ืึทื ืึทืืืืืื ื ืืืืคึผ ืกืขืจืืืขืจ ืืขืืขืจื ืืื ืื ืื ืืขืจ ืืืขื ืฆื ืืึทืฉืืืกื ืืื ืืึทืื ืงืืืขื ืคึฟืื.
ืืืึทืฉืคึผืื: ืืืืคึผ ืขื ืืคืขืจ ืืขืืขืจื ืืืึธืก ืื ืืืงืืืฅ ืืขื ืึธืจื ืคืื ืื CDN ืกืขืจืืืขืจ.
ืคึฟืึทืจ ืืืึทืฉืคึผืื, CloudFlare ื ืืฆื ืืืื ืืืืืขื ืข CF-Ray ืืขืืขืจ ืืื ืืืืคึผ ืจืขืกืคึผืึธื ืกืข ืึทืจืืืงืืขื, ืืืึธืก ืืืื ืึทื ืึธื ืืืืึทื ืคืื ืื ืืึทืื ืฆืขื ืืขืจ ืฆื ืืืึธืก ืื ืืขืื ืืื ืืขืืืื. ืืื ืืขื ืคืึทื ืคืื ืืขื ืืขืกืง, ืื CF-Ray ืืขืืขืจ ืคึฟืึทืจ ืื Seattle ืืขืื ื ืืื CF-RAY: 2a21675e65fd2a3d-SEA, ืืื ืคึฟืึทืจ ืืืกืืขืจืืื ืขืก ืืื CF-RAY: 2a216896b93a0c71-AMS. ืืืจ ืงืขื ื ืืืื ื ืืฆื HTTP-X ืืขืืขืจื ืคืื ืื ืืืืคึผ ืขื ืืคืขืจ ืฆื ืืึทืฉืืืกื ืืื ืื ืืื ืืึทืื ืืื ืืืื.
ืื ืืขืจืข ืึทืืจืขืกืื ื ืืขืืืึธืืก
ืขืก ืืขื ืขื ืื ืืขืจืข ืึทืืจืขืกืื ื ืืขืืืึธืืก ืคึฟืึทืจ ืจืืืื ื ืืึทื ืืฆืขืจ ืจืืงืืืขืก ืฆื ืึท ืกืคึผืขืฆืืคืืฉ ื ืขืฅ ืขื ืืคึผืืื ื:
ืืื ืืงืึทืกื
ืจืืึฟ ืคืื ืื ืืื ืืขืจื ืขื ืืืึทื ื ื ืืฆื ืืขื ืืืคึฟื. Unicast - ืืื ืืงืึทืกื ืืจืึทื ืกืืืกืืข, ืื IP ืึทืืจืขืก ืืื ืคืืจืืื ืื ืืื ืืืืื ืืืื ืกืคึผืขืฆืืคืืฉ ื ืึธืืข ืืืืฃ ืื ื ืขืฅ. ืืึธืก ืืื ืืขืจืืคื ืืืื ืขืจ-ืฆื-ืืืื ืขืจ ืจืืืื.
Multicast
ืืืืืืงืึทืกื ื ืืฆื ืึท ืืืื-ืฆื-ืคืืืข ืึธืืขืจ ืคืืืข-ืฆื-ืคืืืข ืฉืืืืืช. ืืืืืืงืึทืกื ืึทืืึทืื ืึท ืืงืฉื ืคืื ืึท ืกืขื ืืขืจ ืฆื ืืืื ืืขืฉืืงื ืกืืืืึทืืืืื ืืึทืกืื ืฆื ืคืึทืจืฉืืืขื ืข ืืืืกืืขืงืืืื ืขื ืืคึผืึธืื ืฅ. ืืึธืก ืืื ืืขื ืงืืืขื ื ืื ืคืืืืงืืื ืฆื ืึธืคึผืืึธืืืจื ืึท ืืขืงืข ืืื ืืฉืึทื ืืงืก ืคืื ืงืืืคื ืืื ืืช ืกืืืืึทืืืืื ืืึทืกืื (ืืืึธืก ืืื ื ืืฆืืง ืคึฟืึทืจ ืกืืจืืืื ื ืึทืืืืึธ ืึธืืขืจ ืืืืืขื). Multicast ืืื ืึธืคื ืฆืขืืืฉื ืืื Anycast ืึธืืขืจ, ืืขืจ ืืืืคึผื ืืืืืง ืืื ืึทื Anycast ืืืจืขืงืืขื ืื ืกืขื ืืขืจ ืฆื ืืืื ืกืคึผืขืฆืืคืืฉ ื ืึธืืข, ืืคืืื ืืืื ืงืืืคื ื ืึธืืื ืืขื ืขื ืื ืืืฆื.
ืืจืึธืืงืึทืกื
ื ืืึทืืึทืืจืึทื ืคืื ืึท ืืืื ืกืขื ืืขืจ ืืื ืคืึธืจืืืขืจืืื ืฆื ืึทืืข ืขื ืืคึผืึธืื ืฅ ืคึฟืึทืจืืื ืื ืืื ืื ืืจืึธืืงืึทืกื ืึทืืจืขืก. ืื ื ืขืฅ ืจืขืคึผืืืงืืืฅ ืืืืืึธืืึทืืืฉ ืืึทืืึทืืจืึทืื ืฆื ืงืขื ืขื ืืขืจืืจืืืื ืึทืืข ืจืืกืืคึผืืึทื ืฅ ืืื ืื ืืจืึธืืงืึทืกื (ืืืืฉืึทืืืึทืื ืืืืฃ ืืขืจ ืืขืืืืงืขืจ ืกืืื ืขื).
ืืขืึธืงืึทืกื
ืืขืึธืงืึทืกื ืืื ืขืคึผืขืก ืขื ืืขื ืฆื ืืืืืืงืึทืกื: ืจืืงืืืขืก ืคืื ืื ืกืขื ืืขืจ ืืขื ืขื ืืขืฉืืงื ืฆื ืงืืืคื ืขื ืืคึผืึธืื ืฅ ืกืืืืึทืืืืื ืืึทืกืื. ืึธืืขืจ, ืืขืจ ืืืืืง ืืื ืึทื ืืขืจ ืึทืืจืขืกื ืืื ืืืฉืืืกื ืืืจื ืืืื ืืืฉืืึทืืจืึทืคืืงืึทื ืึธืจื. ืืึธืก ืืื ืึท ืกืคึผืขืฉืึทืืืืื ืคืึธืจืขื ืคืื ืืืืืืงืึทืกื ืืขื ืืฆื ืืืจื ืขืืืขืืข ืจืืืื ื ืคึผืจืึธืืึธืงืึธืืก ืคึฟืึทืจ ืจืืจืขืืืืืง ืึทื ืืึธืง ื ืขืืืืึธืจืงืก.
ื ืืืฉืืึทืืจืึทืคืืง ืจืึทืืืขืจ ืงืึทืืงืืึทืืืืฅ ืืืึทื ืืื ืกื ืืขืื ื ืืื ืืขืจื ืขื ืืขืจื ืขืก. ืืขืึธืจืึธืืืขืจืก, ืืงืกืืฉืืื ืืืฉืื ื ืกืขืจืืืืก ืืขืืืื, ืืืืขื ืจืืืื ื ืืืฉื. ืื ืืขืึธืจืึธืืืขืจ ืกืืกืืขื ืืื ืึท ืืืืขืจืึทืจืงืึทืงืึทื ืกืืจืืงืืืจ.
ืื ืืงืึทืกื, ืืืืืืงืึทืกื ืืื ืืจืึธืืงืึทืกื.
ื ืืฆื Anycast ืืขืื ืึธืืึธืืืข ืื ืงืจืืกืื ืื ืืืจืื ืคืื ืจืืืืืึทืืืืึทืื, ืฉืืื ืืึธืืขืจืึทื ืฅ ืืื ืืืืขืจืืืื ืคืื ืื ืก. ื ืืฆื ืืขื ืืขืื ืึธืืึธืืืข, ืึธืคึผืขืจืืืืขืจื ืคืึธืจืฉืืึธืื ืืืืขืจ ืงืืืืึทื ืฅ ืืึทืืื ืื ืืก ืคึฟืึทืจ ืคืึทืจืฉืืื ืืืืคึผืก ืคืื ืืึทืกืข ืืึทืืึทื ืกืื ื ืืืืืจื ืืืืฃ ืื ืก. ืืื ืื ืงืึธื ืืจืึธื ืืึทืคืืืข, ืืืจ ืงืขื ืขื ืกืคึผืขืฆืืคืืฆืืจื IP ืึทืืจืขืกืขืก ืฆื ืืืึธืก ืจืืงืืืขืก ืืืขื ืืืื ืืขืฉืืงื ืืืคึผืขื ืืื ื ืืืืฃ ืืืฉืืึทืืจืึทืคืืง ืึธืจื. ืืึธืก ืืืขื ืืขืื ืงืืืืึทื ืฅ ืื ืืขืืขืื ืืืื ืฆื ืคืึทืจืฉืคึผืจืืืื ืืึทื ืืฆืขืจ ืจืืงืืืขืก ืืขืจ ืคืืขืงืกืึทืืึทื.
ืขืืืขืืข ืึธืคึผืขืจืืืืขืจื ืื ืกืืจืืืขื ื ืืึทืจืฉืจืื ืืึธื ืืืึธืจืื ื ืงืืืคึผืึทืืืืึทืืื ืืื ืืขืืขืจ ืคืื ื ืคืื ืืืึทืืืึทื (POP): ืื ืกืืกืืขื ืึทื ืึทืืืืืจื ืืืืืึธืืึทืืืฉ ืื ืฉืึธืจืืืกื ืืืืข ืืื ืืืืืืืข ืจืืฅ ืคึฟืึทืจ ืคืื ื ืคืื ืืืึทืืืึทื ืืื ืจืืฅ ืืื ืืืจื ืื ืืึธืืึทืกื ืืืืืึทื ืกื ืืืฉืืึทืืจืึทืคืืง ืืึธืืงืืืฉืึทื ื ืืื ื ืื ืืึทืื ืืืื.
ืืขืจืืืืึทื, Anycast ืืื ืื ืืขืจืกื ืกืืึทืืื ืืื ืคืึทืจืืึธืืืขื ืืืืืื ื ืคึฟืึทืจ ืื ืื ืืืื-ืืึทืกืข ืื ืก ืืึทืืื ืื ืืก, ืืืึธืก ืืึธืื ืืืื ืืืืขืจืคืขื ืืฉื ืคึฟืึทืจ ืคืขืกืืงืืึทื ืืื ืจืืืืืึทืืืืึทืื.
ืื .ืจื ืคืขืื ืฉืืืฆื 35 ืึทื ืืงืึทืกื ืื ืก ืกืขืจืืืขืจืก, ืืจืืคึผื ืืื 20 ื ืึธืืื, ืคืื ืื ืืขืจืืขืืืืื ืืืืขืจ ืคืื ืฃ ืึทื ืืงืึทืกื ืืืืืงื ืก. ืืื ืืขื ืคืึทื, ืืขืจ ืคึผืจืื ืฆืืคึผ ืคืื ืงืึทื ืกืืจืึทืงืฉืึทื ืืืืืจื ืืืืฃ ืืืฉืืึทืืจืึทืคืืงืึทื ืงืขืจืึทืงืืขืจืืกืืืงืก ืืื ืืขื ืืฆื, ื.ืข. ืืขืึธืงืึทืกื. ืืืขื ืคึผืืืืกืื ื ืื ืก ื ืึธืืื, ืขืก ืืื ืขื ืืืืืืืืฉื ืึทื ืืื ืืืขืื ืืืื ืืจืืืขืจืืขืคืืจื ืฆื ืืืฉืืึทืืจืึทืคืืงืึทืืื ืืืกืคึผืขืจืกื ืืึธืืงืืืฉืึทื ื ื ืึธืขื ื ืฆื ืื ืืขืจืกื ืึทืงืืืื ื ืืฆืขืจืก, ืื ืืึทืงืกืืืื ืงืึทื ืกืึทื ืืจืืืฉืึทื ืคืื ืจืืกืืฉ ืคึผืจืึทืืืืืืขืจื ืืื ืื ืคืื ื ืืื ืื ื ืึธืืข ืืื ืืืื, ืืื ืืขืืื ื ืืื ืื ืึทืืืืืืึทืืืืึทืื ืคืื ืคืจืื ืงืึทืคึผืึทืฆืืืขื ืืื ืื ืคืื ืื ืืขืจืึทืงืฉืึทื ืืื ืืขื ืคึผืืึทืฅ.
ืืื ืฆื ืืืืขื ืึท CDN?
CDN ืืื ืึท ื ืขืฅ ืคืื ืกืขืจืืืขืจืก ืืืึธืก ืกืคึผืืื ืื ืขืงืกืคึผืจืขืก ืคืื ืืื ืืึทืื ืฆื ืืืืขืจื. ืืื ืืืฅ ืึทืืข ืกืขืจืืืขืจืก ืืื ืืืื ื ืขืฅ ืืื ืื ืฉืืจื ืคืึทืกืืขืจ ืืื ืืึทืื ืืึธืืืื ื. ืื ืืืืึทืืงืืื ืคืื ืื ืกืขืจืืืขืจ ืฆื ืืขืจ ืืึทื ืืฆืขืจ ืคืืขืกืขืก ืึท ืืืืืืืง ืจืึธืืข ืืื ืืึธืืืื ื ืืืืงืืึทื.
CDN ืึทืืึทืื ืืืจ ืฆื ื ืืฆื ืกืขืจืืืขืจืก ืืืึธืก ืืขื ืขื ืงืืึธืืกืึทืกื ืฆื ืื ืฆืื ืืืืขื. ืืึธืก ืจืึทืืืกืึทื ืื ืืืึทืจืื ืฆืืื ืืื ืืขืืคึผืก ืฆื ืคืึทืจืืืืขืจื ืื ืืึธืืืื ื ืคืื ืคึผืืึทืฅ ืืื ืืึทืื ืคึฟืึทืจ ืึทืืข ืืืืืึทืืขืจื, ืืืึธืก ืืื ืกืคึผืขืฆืืขื ืงืจืืืืฉ ืคึฟืึทืจ ืืืืืืขื ืืื ืืจืืืก ืืขืงืขืก ืึธืืขืจ ืืืืืืืขืืืึท ืืึทืืื ืื ืืก. ืืืคึผืืฉ ืึทืคึผืืึทืงืืืฉืึทื ื ืคึฟืึทืจ CDN ืืขื ืขื E- ืืึทื ืื ืืื ืคืึทืจืืืืึทืืื ื.
ืื ื ืขืฅ ืคืื ื ืึธื ืกืขืจืืืขืจืก ืืืฉืืคื ืืื ืื CDN ืื ืคืจืึทืกืืจืึทืงืืฉืขืจ, ืืืึธืก ืืขื ืขื ืืืื ืืื ื ืึธืขื ื ืืื ืืขืืืขื ืฆื ื ืืฆืขืจืก, ืงืึทื ืืจืืืืืฅ ืฆื ืืขืจ ืกืืึทืืื ืืื ืคืึทืกืืขืจ ืืึทืื ืขืงืกืคึผืจืขืก. ืืืื ืฆื ืกืืึทืืืกืืืง, ื ืืฆื ืึท CDN ืจืึทืืืกืึทื ืื ืืืืืึทื ืกื ืืืขื ืึทืงืกืขืกืื ื ืึท ืคึผืืึทืฅ ืืื ืืขืจ ืืื 70% ืงืึทืืคึผืขืจื ืืื ืืืืืืขื ืึธื ืึท CDN.
ืืื? ืืึทืฉืืขืืืงื ืึท CDN ืืื Anycast ืก ืืืืืขื ืข ืืืืืื ื ืงืขื ืขื ืืืื ืืึทื ืฅ ืึท ืืืึทืขืจ ืคึผืจืืืขืงื, ืึธืืขืจ ืขืก ืืขื ืขื ืืฉืืคึผืขืจ ืึธืคึผืฆืืขืก. ืคึฟืึทืจ ืืืึทืฉืคึผืื, ืืืจ ืงืขื ืขื ื ืืฆื GeoDNS ืืื ืจืขืืืืขืจ ืกืขืจืืืขืจืก ืืื ืืื ืฆืืง IP ืึทืืจืขืกืขืก. ื ืืฆื GeoDNS ืืึทืืื ืื ืืก, ืืืจ ืงืขื ืขื ืืึทืื ืึท CDN ืืื ืืขืึธืืึธืงืึทืืืึธื ืงืืืคึผืึทืืืืึทืืื, ืืื ืืืกืืืฉืึทื ื ืืขื ืขื ืืขืืืื ืืืืืจื ืืืืฃ ืื ืคืึทืงืืืฉ ืึธืจื ืคืื ืื ืืึทืกื, ืืื ืืื ืื ืึธืจื ืคืื ืื ืื ืก ืจืขืกืึธืืืืขืจ. ืืืจ ืงืขื ื ืงืึทื ืคืืืืขืจ ืืืื ืื ืก ืืึธื ืข ืฆื ืืืืึทืื ืื. ืขืก. ืกืขืจืืืขืจ IP ืึทืืจืขืกืขืก ืฆื ืื. ืขืก. ืืืืืืืขืจื, ืึธืืขืจ ืืืืจืืคืขืืฉืข ืืืืืึทืืขืจื ืืืขืื ืืขื ืื ืืืืจืืคืขืืฉืข IP ืึทืืจืขืก.
ืืื GeoDNS, ืืืจ ืงืขื ืขื ืฆืืจืืงืงืืืขื ืคืึทืจืฉืืืขื ืข ืื ืก ืจืขืกืคึผืึธื ืกืขืก ืืืคึผืขื ืืื ื ืืืืฃ ืื ืืึทื ืืฆืขืจ 'ืก IP ืึทืืจืขืก. ืฆื ืืึธื ืืึธืก, ืื ืื ืก ืกืขืจืืืขืจ ืืื ืงืึทื ืคืืืืขืจื ืฆื ืฆืืจืืงืงืืืขื ืคืึทืจืฉืืืขื ืข IP ืึทืืจืขืกืขืก ืืืคึผืขื ืืื ื ืืืืฃ ืื ืืงืืจ IP ืึทืืจืขืก ืืื ืื ืืขืื. ืืืคึผืืงืึทืืื, ืึท GeoIP ืืึทืืึทืืืืก ืืื ืืขื ืืฆื ืฆื ืืึทืฉืืืกื ืื ืืขืื ื ืคืื ืืืึธืก ืึท ืืงืฉื ืืื ืืขืืืื. ืืขืึธืืึธืงืึทืืืึธื ื ืืฆื ืื ืก ืึทืืึทืื ืืืจ ืฆื ืฉืืงื ืืื ืืึทืื ืฆื ืืืืขืจื ืคึฟืื ืึท ื ืืจืืื ืคึผืืึทืฅ.
GeoDNS ืืืืขืจืืึทื ื ืื IP ืึทืืจืขืก ืคืื ืืขื ืงืืืขื ื ืืืึธืก ืืึธื ืืขืฉืืงื ืื ืื ืก ืืขืื, ืึธืืขืจ ืื IP ืึทืืจืขืก ืคืื ืื ืจืขืงืืจืกืืืืข ืื ืก ืกืขืจืืืขืจ ืคืื ืื ืฉืคึผืืึทืืขืจ, ืืืึธืก ืืื ืืขื ืืฆื ืืืขื ืคึผืจืึทืกืขืกืื ื ืื ืงืืืขื ื ืืขืื. ืื ืืืื ื / ืืขืื ื ืืื ืืืฉืืืกื ืืืจื ืื ืงืืืขื ื ืก IP ืืื GeoIP ืืึทืืึทืืืืก. ืืขืจ ืงืืืขื ื ืืขืจื ืึธื ืืืงืืื ืื IP ืึทืืจืขืก ืคืื ืื ื ืืจืึทืกื CDN ืกืขืจืืืขืจ. ืืืจ ืงืขื ื ืืืืขื ืขื ืืขืจ ืืืขืื ืืึทืฉืืขืืืงื GeoDNS.
Anycast ืึธืืขืจ GeoDNS?
ืืึธืืฉ Anycast ืืื ืึท ืืจืืืก ืืืขื ืฆื ืฆืืฉืืขืื ืืื ืืึทืื ืืืืฃ ืึท ืืืืืืืข ืืืึธื, ืขืก ืคืขืื ืกืคึผืขืกืืคืืงืึทืื. ืืึธืก ืืื ืืื GeoDNS ืงืืื ืฆื ืจืึทืืขืืืขื. ืืขืจ ืืื ืกื ืึทืืึทืื ืืืจ ืฆื ืฉืึทืคึฟื ืึผืืืื ืืืึธืก ืฉืืงื ืืืืขืจื ืฆื ืืื ืฆืืง ืขื ืืคึผืึธืื ืฅ ืืืืืจื ืืืืฃ ืืืืขืจ ืึธืจื.
ืืืึทืฉืคึผืื: ืืืืขืจื ืคืื ืืืืจืึธืคึผืข ืืขื ืขื ืืืจืขืงืืขื ืฆื ืึท ืึทื ืืขืจืฉ ืขื ืืคึผืืื ื.
ืืืจ ืงืขื ื ืืืื ืืืืงืขื ืขื ืึทืงืกืขืก ืฆื ืืึธืืืืื ื ืืืจื ืึทืืืขืงืืืึทืจืคื ืึทืืข ืจืืงืืืขืก. ืืึธืก ืืื, ืกืคึผืขืฆืืขื, ืึท ืฉื ืขื ืืืขื ืฆื ืฉื ืืึทืื ืึทืืืขืง ืื ืืจืืืขืจื.
GeoDNS ืืื ืืขืจ ืคึผืื ืืืขื ืขื ืืคึฟืขืจืก ืืื Anycast. ืืืื ืืื ืื ืคืึทื ืคืื Anycast ืื ืฉืึธืจืืืกื ืืึทืจืฉืจืื ืืื ืืืฉืืืกื ืืืจื ืื ื ืืืขืจ ืคืื ืืึธืคึผืก, ืืื GeoDNS ืจืืืื ื ืคึฟืึทืจ ืกืืฃ ื ืืฆืขืจืก ืึทืงืขืจื ืืืคึผืขื ืืื ื ืืืืฃ ืืืืขืจ ืืฉืืืืช ืึธืจื. ืืึธืก ืจืึทืืืกืึทื ืืืืืึทื ืกื ืืื ืืืคึผืจืืืื ืึทืงืืขืจืึทืกื ืืืขื ืงืจืืืืืื ื ืืจืึทื ืืึทืืขืจ ืจืืืื ื ืึผืืืื.
ืืืขื ื ืึทืืืึทืืืืืื ื ืฆื ืึท ืคืขืื, ืืขืจ ืืืขืืขืจืขืจ ืงืึธื ืืึทืงื ืื ื ืืจืึทืกื ืื ืก ืกืขืจืืืขืจ, ืืืึธืก, ืืืคึผืขื ืืื ื ืืืืฃ ืื ืคืขืื, ืึทืจืืืกืืขืื ืึทื IP ืึทืืจืขืก ืฆื ืืึทืกืข ืื ืคึผืืึทืฅ. ืืึธืืืจ ืืืขืจื ืขืืขื ืึทื ืึทื ืึธื ืืืื ืงืจืึธื ืืื ืคืึธืืงืก ืืื ืื USA ืืื ืืืืจืึธืคึผืข, ืึธืืขืจ ืื ืก ืกืขืจืืืขืจืก ืคึฟืึทืจ ืขืก ืืขื ืขื ืืืืื ืื ืืืฆื ืืื ืืืืจืึธืคึผืข. ืืืืขืจื ืืืึธืก ืืืืื ืฆื ื ืืฆื ืื ืกืขืจืืืืกืขืก ืคืื ืื ืงืจืึธื ืืืขื ืืืื ืืขืฆืืืื ืืขื ืฆื ืฉืืงื ืึท ืืงืฉื ืฆื ืื ื ืืจืึทืกื ืกืขืจืืืขืจ, ืืื ืืื ื ืขืก ืืื ืืืืขืจ ืืืืึทื ืึทืืืขืง, ืืื ืืืขืื ืืึธืื ืฆื ืืืึทืจืื ืึท ืืึทื ื ืฆืืึทื ืคึฟืึทืจ ืึท ืขื ืืคืขืจ - ืื ืคึผืืึทืฅ ืืืขื ื ืืฉื ืืึธืื ืืขืฉืืืื ื.
ืืืขื ืึท GeoDNS ืกืขืจืืืขืจ ืืื ืืืื ืืื ืื USA, ื ืืฆืขืจืก ืืืขืื ืฉืืื ืึทืงืกืขืก ืขืก. ืืขืจ ืขื ืืคืขืจ ืืืขื ืืืื ืฉื ืขื, ืืืึธืก ืืืขื ืืืืจืงื ืื ืืึธืืืื ื ืืืืงืืึทื ืคืื ืื ืคึผืืึทืฅ.
ืืื ื ืกืืืืืฆืืข ืืื ืื ืขืงืืืกืืืจื ืืืงื ืื ืก ืกืขืจืืืขืจ ืืื ืื ืคืืจืืืื ืืืืข ืฉืืืื, ืืืขื ื ืืื ืืฆืขืจ ืคืื ืื ืคืืจืืืื ืืืืข ืฉืืืื ื ืึทืืืืืืจื ืฆื ื ืืขืืืืกื ืคืขืื, ืืืขื ืขืจ ืืื ืคืืจืืื ืื ืืื ืืขื ื ืื ืืกืื ืกืขืจืืืขืจ ืืืืก ืืืขื ืฆืืฉืืขืื ืื ืคืืจืืื ืืืข IP. ืืขืจ ืืึทื ืืฆืขืจ ืืืขื ืืืื ืืืจืขืงืืขื ืฆื ืื ืกืขืจืืืขืจ ืืืึธืก ืึผืืื ืื ืืื ืืึทืื ืคืื ืืขื ืคึผืืึทืฅ, ืึธืืขืจ ืืื ื ืื ืกืขืจืืืขืจืก ืืื ืื ืืื ืืึทืื ืืขื ืขื ืืืืึทื ืึทืืืขืง, ืขืจ ืืืขื ื ืืฉื ืืึทืงืืืขื ืขืก ืืขืฉืืืื ื.
ืืืื ืืืจ ืืึทืืขืืึธืก CDN ืกืขืจืืืขืจืก ืืื ืื ืื. ืขืก. ืืื ืงืึทืฉื ืืึทืื, ืืขืืึธืื ืืขืจ ืงืืืขื ื ืืืขืืขืจืขืจ ืืืขื ืฉืืงื ืึท ืืงืฉื ืฆื ืื ื ืืจืึทืกื ืื ืก ืกืขืจืืืขืจ, ืืืึธืก ืืืขื ืฉืืงื ืื ืคืืจืืื ืื IP ืึทืืจืขืก. ืืขืจ ืืืขืืขืจืขืจ ืืื ืื ืืืงืืืขื IP ืงืึธื ืืึทืงื ืื ื ืืจืึทืกื CDN ืกืขืจืืืขืจ ืืื ืื ืืืืคึผื ืกืขืจืืืขืจ, ืืื ืื CDN ืกืขืจืืืขืจ ืกืขืจืืืขืก ืื ืงืึทืฉื ืืื ืืึทืื ืฆื ืืขื ืืืขืืขืจืขืจ. ืืฉืขืช ืื ืงืึทืฉื ืืื ืืึทืื ืืื ืืึธืืืื, ืื ืืขืงืขืก ืคืขืื ืืืง ืฆื ืืึทืกืข ืื ืคืื ืคึผืืึทืฅ ืืขื ืขื ืืืงืืืขื ืคืื ืื ืืืืคึผื ืกืขืจืืืขืจ. ืืื ืึท ืจืขืืืืืึทื, ืคึผืืึทืฅ ืืึธืืืื ื ืฆืืื ืืื ืจืืืืกื, ืืืืึทื ืคืื ืืืืื ืืงืขืจืข ืืขืงืขืก ืืขื ืขื ืืขืฉืืงื ืคึฟืื ืื ืืืืคึผื ืกืขืจืืืขืจ.
ืืึทืฉืืืืขื ืื ืคึผืื ืืืขื ืึธืจื ืคืื ืึท ืกืคึผืขืฆืืคืืฉ IP ืึทืืจืขืก ืืื ื ืื ืฉืืขื ืืืง ืึทื ืืจืื ื ืึทืจืืขื: ืคืืืข ืกืืืืช ืงืืืขื ืืื ืฉืคึผืื, ืืื ืึธืื ืขืจื ืคืื ืึท IP ืึทืืจืขืก ืงืืื ืงืขื ืืึทืฉืืืกื ืฆื ืืขืืื ืขืก ืืืืฃ ืื ืื ืืขืจืข ืืืึทื ืคืื ืื ืืืขืื (ืืขืจื ืึธื ืืึธืื ืฆื ืืืึทืจืื ืคึฟืึทืจ ืื ืืึทืืึทืืืืก ืืขืจืืืึทื ืืืงื ืฆื ืืึทืงืืืขื ืื ืจืืืืืง ืึธืจื). ืืื ืืืคึผืก ืคึผืจืึทืืืืืืขืจื ืืึทืฉืืืืขื ืืืขื ืื ืกืึทืคึผืึธืืืึทืืื ืืืื ืืื ืื ืื. ืขืก. ืฆื ืืืคึผืก ืืื ืกืื ืืึทืคึผืึธืจ.
ื ืื ืขื ืืขื ื ืืฆื Anycast ืึทืืจืขืกืขืก, ืคืึทืจืฉืคึผืจืืืืื ื ืืื ืืืจืืืขืงืึธืื ืืขืฉืึทืก ื ืึธืืขื ืืึทืืืึธืืข ืืื ืืื ืงืึทื ืขืงืืื ื ืฆื ืื ืงืึทืืฉืื ื ืกืขืจืืืขืจ. ืืืื ืื ืจืขืงืืจืกืืืืข ืกืขืจืืืขืจ ืฉืืืฆื ื ืืฉื EDNS ืงืืืขื ื ืกืืื ืขืฅ, ืืขืจ ืึธืจื ืคืื ืืขื ืจืขืงืืจืกืืืืข ืกืขืจืืืขืจ ืืื ืืขื ืืฆื ืืื ืืื ืืขืจ ืืึทื ืืฆืขืจ ืืืึธืก ืืืขื ืคืึทืจืืื ืื ืฆื ืื ืงืึทืืฉืื ื ืกืขืจืืืขืจ.
ืงืืืขื ื ืกืืื ืขืฅ ืืื ืื ืก ืืื ืึทื ืคืึทืจืืขื ืืขืจืื ื ืคืื ืื ืก (RFC7871) ืืืึธืก ืืืคืืื ื ืืื ืจืขืงืืจืกืืืืข ืื ืก ืกืขืจืืืขืจืก ืงืขื ืขื ืฉืืงื ืงืืืขื ื ืืื ืคึฟืึธืจืืึทืฆืืข ืฆื ืื ืื ืก ืกืขืจืืืขืจ, ืกืคึผืขืฆืืขื ื ืขืฅ ืืื ืคึฟืึธืจืืึทืฆืืข ืืืึธืก ืื ืืขืึธืื ืก ืกืขืจืืืขืจ ืงืขื ืขื ื ืืฆื ืฆื ืืขืจ ืึทืงืืขืจืึทืืื ืืึทืฉืืืืขื ืืขื ืงืืืขื ื ืก ืึธืจื.
ืจืืึฟ ื ืืฆื ืืืืขืจ ืืกืคึผ ืก ืื ืก ืกืขืจืืืขืจืก ืึธืืขืจ ืื ืก ืกืขืจืืืขืจืก ืืืึธืก ืืขื ืขื ืืขืึธืืจืึทืคืืงืึทืืื ื ืึธืขื ื ืฆื ืืื, ืึธืืขืจ ืืืื ืขืืขืฆืขืจ ืืื ืื ืื. ืขืก. ืคึฟืึทืจ ืขืืืขืืข ืกืืื ืืืกืืืื ืฆื ื ืืฆื ืึท ืื ืก ืจืขืกืึธืืืืขืจ ืืึธืืงืืืืึทื ืืื ืืืืกืืจืึทืืืข, ืืื ืืืขืื ืืกืชึผืื ืขื ืืืงื ืืื ืึทื IP ืกืขืจืืืขืจ ืึทืืจืขืก ืงืืึธืืกืึทืกื ืฆื ืืืืกืืจืึทืืืข.
ืืืื ืืืจ ืืืืื ืฆื ื ืืฆื GeoDNS, ืขืก ืืื ืืืืืืืง ืฆื ืืืื ืึทืืืขืจ ืคืื ืื ืคึฟืขืึดืงืืืื, ืืืืึทื ืืื ืขืืืขืืข ืงืึทืกืขืก ืขืก ืงืขื ืขื ืคืึทืจืืจืขืกืขืจื ืื ืืืืึทืืงืืื ืฆืืืืฉื ืื ืงืึทืืฉืื ื ืกืขืจืืืขืจืก ืืื ืืขื ืงืืืขื ื.
ืงืืฆืขืจ: ืืืื ืืืจ ืืืืื ืฆื ืคืึทืจืืื ืื ืขืืืขืืข ืืืคึผืก ืืื ืึท CDN, ืืขืจ ืืขืกืืขืจ ืืืคึผืืืืืึทื ื ืึธืคึผืฆืืข ืืื ืฆื ื ืืฆื ืึท ืื ืก ืกืขืจืืืขืจ ืคึผืขืงื ืืื ืื GeoDNS + Anycast ืคืื ืงืฆืืข ืืืืก ืคืื ืื ืงืขืกืื.
ืืงืืจ: www.habr.com
