μ›Ή μ„œλ²„(WS)와 μ›Ή μ• ν”Œλ¦¬μΌ€μ΄μ…˜ μ„œλ²„(WAS)

2020. 5. 14. 15:04Β·πŸ“ Computer Science/✏ Network & Web

μ›Ή μ„œλ²„(WS)와 μ›Ή μ• ν”Œλ¦¬μΌ€μ΄μ…˜ μ„œλ²„(WAS)

 

μ›Ή μ„œλΉ„μŠ€ ꡬ쑰

 

1. μ›Ή μ„œλ²„(Wep Server)

μ›Ή μ„œλ²„λŠ” ν΄λΌμ΄μ–ΈνŠΈλ‘œλΆ€ν„° 직접 μš”μ²­μ„ λ°›μ•„ μ²˜λ¦¬ν•˜λŠ” μ„œλ²„μ΄λ‹€.

  • 정적 데이터(HTML, 이미지 λ“±)λ₯Ό HTTP ν”„λ‘œν† μ½œμ„ 톡해 μ „μ†‘ν•œλ‹€.
  • 정적 데이터λ₯Ό μ²˜λ¦¬ν•΄μ£ΌκΈ° λ•Œλ¬Έμ— WAS의 뢀담을 쀄여쀀닀.
  • Apache HTTP Server, Nginx, Microsoft IIS λ“±

 

2. μ›Ή μ• ν”Œλ¦¬μΌ€μ΄μ…˜ μ„œλ²„(Wep Application Server)

μ›Ή μ• ν”Œλ¦¬μΌ€μ΄μ…˜ μ„œλ²„λŠ” μ‚¬μš©μžμ—κ²Œ 동적 데이터λ₯Ό μ œκ³΅ν•˜κΈ° μœ„ν•΄ μ›Ή μ„œλ²„λ‘œλΆ€ν„° μš”μ²­μ„ λ°›μ•„ 데이터 가곡 μž‘μ—…μ„ μˆ˜ν–‰ν•˜κ±°λ‚˜ μ›Ή μ„œλ²„μ™€ λ°μ΄ν„°λ² μ΄μŠ€ μ„œλ²„ μ‚¬μ΄μ—μ„œ μΈν„°νŽ˜μ΄μŠ€ 역할을 μˆ˜ν–‰ν•˜λŠ” μ„œλ²„μ΄λ‹€.

  • 일반적으둜 μ›Ή μ„œλ²„μ˜ κΈ°λŠ₯을 λ‚΄μ œν•˜κ³  μžˆμ–΄ μ›Ή μ„œλ²„κ°€ 없어도 μ„œλΉ„μŠ€κ°€ κ°€λŠ₯ν•˜λ‹€.
  • Apache Tomcat, Oracle WebLogic, IBM WebSphere λ“±

 

1) λ‚΄λΆ€ ꡬ쑰

WAS λ‚΄λΆ€ ꡬ쑰

  1. μ›Ή μ„œλ²„ μš”μ²­μ΄ λ“€μ–΄μ˜€λ©΄ 제일 λ¨Όμ € μ»¨ν…Œμ΄λ„ˆκ°€ 이λ₯Ό μ•Œλ§žκ²Œ μ²˜λ¦¬ν•œλ‹€.
  2. μ»¨ν…Œμ΄λ„ˆλŠ” 배포 μ„œμˆ μž(web.xml)λ₯Ό μ°Έμ‘°ν•˜μ—¬ μ„œλΈ”λ¦Ώμ˜ μž‘μ—…μ„ λ‹΄λ‹Ήν•˜λŠ” μŠ€λ ˆλ“œλ₯Ό μƒμ„±ν•˜κ³  μš”μ²­(httpServletRequest) 및 응닡(httpServeletResponse) 객체λ₯Ό μƒμ„±ν•˜μ—¬ μ „λ‹¬ν•œλ‹€.
  3. λ‹€μŒμœΌλ‘œ μ»¨ν…Œμ΄λ„ˆλŠ” μ„œλΈ”λ¦Ώμ„ 호좜(service())ν•œλ‹€.
  4. 호좜된 μŠ€λ ˆλ“œλŠ” μš”μ²­μ— 따라 doPost() λ˜λŠ” doGet()을 ν˜ΈμΆœν•œλ‹€.
  5. 호좜된 doPost() λ˜λŠ” doGet() λ©”μ„œλ“œλŠ” μƒμ„±λœ 동적 데이터λ₯Ό Response 객체에 λ‹΄μ•„ μ»¨ν…Œμ΄λ„ˆμ— μ „λ‹¬ν•œλ‹€.
  6. μ»¨ν…Œμ΄λ„ˆλŠ” 전달받은 Response 객체λ₯Ό HTTPResponse ν˜•νƒœλ‘œ μ „ν™˜ν•˜μ—¬ μ›Ή μ„œλ²„μ— μ „λ‹¬ν•˜κ³  μƒμ„±λ˜μ—ˆλ˜ μŠ€λ ˆλ“œλ₯Ό μ’…λ£Œν•˜κ³  μš”μ²­(httpServletRequest) 및 응닡(httpServeletResponse) 객체λ₯Ό μ†Œλ©Έμ‹œν‚¨λ‹€.
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μ›Ή μ„œλ²„(WS)와 μ›Ή μ• ν”Œλ¦¬μΌ€μ΄μ…˜ μ„œλ²„(WAS)
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