(용어) IT 용어

*CDN (content delivery network)

-GSLB (Global server load balancing)

goddaehee.tistory.com/173

  -DNS

  -health check

  -load balancing

  -latency

  -위치기반

-RR (round robin)

  -조금씩 한바퀴를 분배한 후 다시 처음으로 돌아와서 분배

 

*switch(load balancer)

pakss328.medium.com/%EB%A1%9C%EB%93%9C%EB%B0%B8%EB%9F%B0%EC%84%9C%EB%9E%80-l4-l7-501fd904cf05

-L2 (data link) - MAC / 80–00–20–30–1C-47

-L3 (network) - - Router, ICMP 프로토콜, IP / 213.12.32.123

-L4 (transport) - TCP, UDP Protocol, Transport Layer(IP+Port)/ 213.12.32.123:80, 213.12.32.123:1024

-L7 (application) - HTTP, FTP, SMTP Protocol / IP+Port+패킷 내용 / 213.12.32.123:80, 213.12.32.123:1024 + GET/ img/aaa.jpg /

-vip (vertual ip)

 

*OSI

ddooooki.tistory.com/15?category=608077

-MAC (media access control address)

-7 layers

  -1physical

  -2data link - 이더넷

  -3network - ip, route

  -4transport - packet

  -5session

  -6presentation - mime 인코딩

  -7application