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[ko] Update outdated files in dev-1.23-ko.2 M18-24
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β€Žcontent/ko/docs/concepts/services-networking/_index.md

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μΏ λ²„λ„€ν‹°μŠ€μ˜ λ„€νŠΈμ›Œν‚Ήμ— λŒ€ν•œ κ°œλ…κ³Ό λ¦¬μ†ŒμŠ€μ— λŒ€ν•΄ μ„€λͺ…ν•œλ‹€.
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## μΏ λ²„λ„€ν‹°μŠ€ λ„€νŠΈμ›Œν¬ λͺ¨λΈ
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λͺ¨λ“  [`νŒŒλ“œ`](/ko/docs/concepts/workloads/pods/)λŠ” κ³ μœ ν•œ IP μ£Όμ†Œλ₯Ό κ°–λŠ”λ‹€.
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μ΄λŠ” 즉 `νŒŒλ“œ`κ°„ 연결을 λͺ…μ‹œμ μœΌλ‘œ λ§Œλ“€ ν•„μš”κ°€ μ—†μœΌλ©°
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λ˜ν•œ μ»¨ν…Œμ΄λ„ˆ 포트λ₯Ό 호슀트 ν¬νŠΈμ— λ§€ν•‘ν•  ν•„μš”κ°€ 거의 μ—†μŒμ„ μ˜λ―Έν•œλ‹€.
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이둜 인해 포트 ν• λ‹Ή, 넀이밍, μ„œλΉ„μŠ€ λ””μŠ€μ»€λ²„λ¦¬,
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[λ‘œλ“œ λ°ΈλŸ°μ‹±](/ko/docs/concepts/services-networking/ingress/#load-balancing),
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μ• ν”Œλ¦¬μΌ€μ΄μ…˜ ꡬ성, λ§ˆμ΄κ·Έλ ˆμ΄μ…˜ κ΄€μ μ—μ„œ `νŒŒλ“œ`λ₯Ό
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VM λ˜λŠ” 물리 호슀트처럼 λ‹€λ£° 수 μžˆλŠ” κΉ”λ”ν•˜κ³  ν•˜μœ„ ν˜Έν™˜μ„±μ„ κ°–λŠ” λͺ¨λΈμ΄ μ œμ‹œλœλ‹€.
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μΏ λ²„λ„€ν‹°μŠ€λŠ” λͺ¨λ“  λ„€νŠΈμ›Œν‚Ή κ΅¬ν˜„μ— λŒ€ν•΄ λ‹€μŒκ³Ό 같은 근본적인 μš”κ΅¬μ‚¬ν•­μ„ λ§Œμ‘±ν•  것을 μš”κ΅¬ν•œλ‹€
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(이둜 인해 λͺ¨λ“  μ˜λ„μ μΈ λ„€νŠΈμ›Œν¬ λΆ„ν•  정책이 λ°©μ§€λœλ‹€)
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* [λ…Έλ“œ](/ko/docs/concepts/architecture/nodes/) μƒμ˜ νŒŒλ“œκ°€ NAT 없이 λͺ¨λ“  λ…Έλ“œμ˜ λͺ¨λ“  νŒŒλ“œμ™€ 톡신할 수 μžˆλ‹€
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* λ…Έλ“œ μƒμ˜ μ—μ΄μ „νŠΈ(예: μ‹œμŠ€ν…œ 데λͺ¬, kubelet)κ°€ ν•΄λ‹Ή λ…Έλ“œμ˜ λͺ¨λ“ 
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νŒŒλ“œμ™€ 톡신할 수 μžˆλ‹€
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μ°Έκ³ : `νŒŒλ“œ`λ₯Ό 호슀트 λ„€νŠΈμ›Œν¬μ—μ„œ κ΅¬λ™ν•˜λŠ” 것도 μ§€μ›ν•˜λŠ” ν”Œλž«νΌ(예: λ¦¬λˆ…μŠ€)에 λŒ€ν•΄μ„œλŠ”
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λ‹€μŒμ˜ μš”κ΅¬μ‚¬ν•­λ„ μ‘΄μž¬ν•œλ‹€.
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* ν•œ λ…Έλ“œμ˜ 호슀트 λ„€νŠΈμ›Œν¬μ— μžˆλŠ” νŒŒλ“œλŠ”
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NAT 없이 λͺ¨λ“  λ…Έλ“œμ˜ λͺ¨λ“  νŒŒλ“œμ™€ 톡신할 수 μžˆλ‹€
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이 λͺ¨λΈμ€ μ „λ°˜μ μœΌλ‘œ 덜 λ³΅μž‘ν•  뿐만 μ•„λ‹ˆλΌ,
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무엇보닀도 VM에 있던 앱을 μ»¨ν…Œμ΄λ„ˆλ‘œ μ†μ‰½κ²Œ ν¬νŒ…ν•˜λ €λŠ” μΏ λ²„λ„€ν‹°μŠ€ μš”κ΅¬μ‚¬ν•­μ„ λ§Œμ‘±μ‹œν‚¬ 수 μžˆλ‹€.
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μž‘μ—…μ„ κΈ°μ‘΄μ—λŠ” VMμ—μ„œ μ‹€ν–‰ν–ˆμ—ˆλ‹€λ©΄, VM은 IPμ£Όμ†Œλ₯Ό κ°€μ§€λ©° ν”„λ‘œμ νŠΈ λ‚΄μ˜ λ‹€λ₯Έ VMκ³Ό 톡신할 수 μžˆμ—ˆμ„ 것이닀.
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μ΄λŠ” λ™μΌν•œ κΈ°λ³Έ λͺ¨λΈμ΄λ‹€.
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μΏ λ²„λ„€ν‹°μŠ€ IP μ£Όμ†ŒλŠ” `νŒŒλ“œ` 범주에 μ‘΄μž¬ν•˜λ©°,
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`νŒŒλ“œ` λ‚΄μ˜ μ»¨ν…Œμ΄λ„ˆλ“€μ€ IP μ£Όμ†Œ, MAC μ£Όμ†Œλ₯Ό ν¬ν•¨ν•˜λŠ” λ„€νŠΈμ›Œν¬ λ„€μž„μŠ€νŽ˜μ΄μŠ€λ₯Ό κ³΅μœ ν•œλ‹€.
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μ΄λŠ” κ³§ `νŒŒλ“œ` λ‚΄μ˜ μ»¨ν…Œμ΄λ„ˆλ“€μ΄ 각자의 ν¬νŠΈμ— `localhost`둜 μ ‘κ·Όν•  수 μžˆμŒμ„ μ˜λ―Έν•œλ‹€.
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λ˜ν•œ `νŒŒλ“œ` λ‚΄μ˜ μ»¨ν…Œμ΄λ„ˆλ“€μ΄ 포트 μ‚¬μš©μ— μžˆμ–΄ μ„œλ‘œ ν˜‘μ‘°ν•΄μ•Ό ν•˜λŠ”λ°,
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μ΄λŠ” VM λ‚΄ ν”„λ‘œμ„ΈμŠ€ 간에도 λ§ˆμ°¬κ°€μ§€μ΄λ‹€.
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μ΄λŸ¬ν•œ λͺ¨λΈμ€ "νŒŒλ“œ 별 IP" λͺ¨λΈλ‘œ λΆˆλ¦°λ‹€.
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이것이 μ–΄λ–»κ²Œ κ΅¬ν˜„λ˜λŠ”μ§€λŠ” μ‚¬μš©ν•˜λŠ” μ»¨ν…Œμ΄λ„ˆ λŸ°νƒ€μž„μ˜ 상세사항이닀.
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`λ…Έλ“œ` 자체의 포트λ₯Ό `νŒŒλ“œ`둜 ν¬μ›Œλ“œν•˜λ„λ‘ μš”μ²­ν•˜λŠ” 것도 κ°€λŠ₯ν•˜μ§€λ§Œ(호슀트 포트라고 뢈림),
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μ΄λŠ” 맀우 λΉ„μ£Όλ₯˜μ μΈ(niche) λ™μž‘μ΄λ‹€.
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ν¬μ›Œλ”©μ΄ μ–΄λ–»κ²Œ κ΅¬ν˜„λ˜λŠ”μ§€λ„ μ»¨ν…Œμ΄λ„ˆ λŸ°νƒ€μž„μ˜ 상세사항이닀.
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`νŒŒλ“œ` μžμ²΄λŠ” 호슀트 포트 쑴재 유무λ₯Ό 인지할 수 μ—†λ‹€.
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μΏ λ²„λ„€ν‹°μŠ€ λ„€νŠΈμ›Œν‚Ήμ€ λ‹€μŒμ˜ λ„€ κ°€μ§€ 문제λ₯Ό ν•΄κ²°ν•œλ‹€.
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- νŒŒλ“œ λ‚΄μ˜ μ»¨ν…Œμ΄λ„ˆλŠ” 루프백(loopback)을 ν†΅ν•œ λ„€νŠΈμ›Œν‚Ήμ„ μ‚¬μš©ν•˜μ—¬ ν†΅μ‹ ν•œλ‹€.
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- νŒŒλ“œ λ‚΄μ˜ μ»¨ν…Œμ΄λ„ˆλŠ” 루프백(loopback)을 ν†΅ν•œ [λ„€νŠΈμ›Œν‚Ήμ„ μ‚¬μš©ν•˜μ—¬ 톡신](/ko/docs/concepts/services-networking/dns-pod-service/)ν•œλ‹€.
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- ν΄λŸ¬μŠ€ν„° λ„€νŠΈμ›Œν‚Ήμ€ μ„œλ‘œ λ‹€λ₯Έ νŒŒλ“œ κ°„μ˜ 톡신을 μ œκ³΅ν•œλ‹€.
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- μ„œλΉ„μŠ€ λ¦¬μ†ŒμŠ€λ₯Ό μ‚¬μš©ν•˜λ©΄ νŒŒλ“œμ—μ„œ μ‹€ν–‰ 쀑인 μ• ν”Œλ¦¬μΌ€μ΄μ…˜μ„ ν΄λŸ¬μŠ€ν„° μ™ΈλΆ€μ—μ„œ μ ‘κ·Όν•  수 μžˆλ‹€.
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- λ˜ν•œ μ„œλΉ„μŠ€λ₯Ό μ‚¬μš©ν•˜μ—¬ ν΄λŸ¬μŠ€ν„° λ‚΄λΆ€μ—μ„œ μ‚¬μš©ν•  수 μžˆλŠ” μ„œλΉ„μŠ€λ§Œ κ²Œμ‹œν•  수 μžˆλ‹€.
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- [μ„œλΉ„μŠ€ λ¦¬μ†ŒμŠ€](/ko/docs/concepts/services-networking/service/)λ₯Ό μ‚¬μš©ν•˜λ©΄ [νŒŒλ“œμ—μ„œ μ‹€ν–‰ 쀑인 μ• ν”Œλ¦¬μΌ€μ΄μ…˜μ„ ν΄λŸ¬μŠ€ν„° μ™ΈλΆ€μ—μ„œ μ ‘κ·Ό](/ko/docs/concepts/services-networking/connect-applications-service/)ν•  수 μžˆλ‹€.
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- λ˜ν•œ μ„œλΉ„μŠ€λ₯Ό μ‚¬μš©ν•˜μ—¬ [μ„œλΉ„μŠ€λ₯Ό ν΄λŸ¬μŠ€ν„° λ‚΄λΆ€μ—μ„œλ§Œ μ‚¬μš©ν•  수 μžˆλ„λ‘ κ²Œμ‹œ](/ko/docs/concepts/services-networking/service-traffic-policy/)ν•  수 μžˆλ‹€.

β€Žcontent/ko/docs/concepts/services-networking/connect-applications-service.md

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## μ»¨ν…Œμ΄λ„ˆ 연결을 μœ„ν•œ μΏ λ²„λ„€ν‹°μŠ€ λͺ¨λΈ
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μ§€μ†μ μœΌλ‘œ 싀행쀑이고, 볡제된 μ• ν”Œλ¦¬μΌ€μ΄μ…˜μ„ κ°€μ§€κ³  μžˆλ‹€λ©΄ λ„€νŠΈμ›Œν¬μ— λ…ΈμΆœν•  수 μžˆλ‹€. μΏ λ²„λ„€ν‹°μŠ€μ˜ λ„€νŠΈμ›Œν‚Ή μ ‘κ·Ό 방식을 λ…Όμ˜ν•˜κΈ° 전에, 도컀와 ν•¨κ»˜ λ™μž‘ν•˜λŠ” "일반적인" λ„€νŠΈμ›Œν‚Ή 방법과 λŒ€μ‘°ν•΄λ³Ό κ°€μΉ˜κ°€ μžˆλ‹€.
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μ§€μ†μ μœΌλ‘œ 싀행쀑이고, 볡제된 μ• ν”Œλ¦¬μΌ€μ΄μ…˜μ„ κ°€μ§€κ³  μžˆλ‹€λ©΄ λ„€νŠΈμ›Œν¬μ— λ…ΈμΆœν•  수 μžˆλ‹€.
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기본적으둜 λ„μ»€λŠ” 호슀트-프라이빗 λ„€νŠΈμ›Œν‚Ήμ„ μ‚¬μš©ν•˜κΈ°μ— μ»¨ν…Œμ΄λ„ˆλŠ” λ™μΌν•œ 머신에 μžˆλŠ” κ²½μš°μ—λ§Œ λ‹€λ₯Έ μ»¨ν…Œμ΄λ„ˆμ™€ 톡신 ν•  수 μžˆλ‹€. 도컀 μ»¨ν…Œμ΄λ„ˆκ°€ λ…Έλ“œλ₯Ό 톡해 ν†΅μ‹ ν•˜λ €λ©΄ λ¨Έμ‹  ν¬νŠΈμ— IP μ£Όμ†Œκ°€ ν• λ‹Ήλ˜μ–΄μ•Ό μ»¨ν…Œμ΄λ„ˆμ— μ „λ‹¬λ˜κ±°λ‚˜ ν”„λ‘μ‹œλœλ‹€. 이것은 μ»¨ν…Œμ΄λ„ˆκ°€ μ‚¬μš©ν•˜λŠ” 포트λ₯Ό 맀우 μ‹ μ€‘ν•˜κ²Œ μ‘°μ •ν•˜κ±°λ‚˜ 포트λ₯Ό λ™μ μœΌλ‘œ ν• λ‹Ήν•΄μ•Ό ν•œλ‹€λŠ” μ˜λ―Έμ΄λ‹€.
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μ»¨ν…Œμ΄λ„ˆλ₯Ό μ œκ³΅ν•˜λŠ” μ—¬λŸ¬ 개발자 λ˜λŠ” νŒ€μ—μ„œ 포트λ₯Ό μ‘°μ •ν•˜λŠ” 것은 규λͺ¨λ©΄μ—μ„œ 맀우 μ–΄λ €μš°λ©°, μ‚¬μš©μžκ°€ μ œμ–΄ν•  수 μ—†λŠ” ν΄λŸ¬μŠ€ν„° μˆ˜μ€€μ˜ λ¬Έμ œμ— λ…ΈμΆœλœλ‹€. μΏ λ²„λ„€ν‹°μŠ€λŠ” νŒŒλ“œκ°€ 배치된 ν˜ΈμŠ€νŠΈμ™€λŠ” λ¬΄κ΄€ν•˜κ²Œ λ‹€λ₯Έ νŒŒλ“œμ™€ 톡신할 수 μžˆλ‹€κ³  κ°€μ •ν•œλ‹€. μΏ λ²„λ„€ν‹°μŠ€λŠ” λͺ¨λ“  νŒŒλ“œμ—κ²Œ 자체 ν΄λŸ¬μŠ€ν„°-프라이빗 IP μ£Όμ†Œλ₯Ό μ œκ³΅ν•˜κΈ° λ•Œλ¬Έμ— νŒŒλ“œκ°„μ— λͺ…μ‹œμ μœΌλ‘œ 링크λ₯Ό λ§Œλ“€κ±°λ‚˜ μ»¨ν…Œμ΄λ„ˆ 포트λ₯Ό 호슀트 ν¬νŠΈμ— λ§€ν•‘ ν•  ν•„μš”κ°€ μ—†λ‹€. 이것은 νŒŒλ“œ λ‚΄μ˜ μ»¨ν…Œμ΄λ„ˆλŠ” λͺ¨λ‘ λ‘œμ»¬ν˜ΈμŠ€νŠΈμ—μ„œ μ„œλ‘œμ˜ ν¬νŠΈμ— 도달할 수 있으며 ν΄λŸ¬μŠ€ν„°μ˜ λͺ¨λ“  νŒŒλ“œλŠ” NAT 없이 μ„œλ‘œλ₯Ό λ³Ό 수 μžˆλ‹€λŠ” μ˜λ―Έμ΄λ‹€. 이 λ¬Έμ„œμ˜ λ‚˜λ¨Έμ§€ λΆ€λΆ„μ—μ„œλŠ” μ΄λŸ¬ν•œ λ„€νŠΈμ›Œν‚Ή λͺ¨λΈμ—μ„œ μ‹ λ’°ν•  수 μžˆλŠ” μ„œλΉ„μŠ€λ₯Ό μ‹€ν–‰ν•˜λŠ” 방법에 λŒ€ν•΄ μžμ„Ένžˆ μ„€λͺ…ν•  것이닀.
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μΏ λ²„λ„€ν‹°μŠ€λŠ” νŒŒλ“œκ°€ 배치된 ν˜ΈμŠ€νŠΈμ™€λŠ” λ¬΄κ΄€ν•˜κ²Œ λ‹€λ₯Έ νŒŒλ“œμ™€ 톡신할 수 μžˆλ‹€κ³  κ°€μ •ν•œλ‹€. μΏ λ²„λ„€ν‹°μŠ€λŠ” λͺ¨λ“  νŒŒλ“œμ—κ²Œ 자체 ν΄λŸ¬μŠ€ν„°-프라이빗 IP μ£Όμ†Œλ₯Ό μ œκ³΅ν•˜κΈ° λ•Œλ¬Έμ— νŒŒλ“œκ°„μ— λͺ…μ‹œμ μœΌλ‘œ 링크λ₯Ό λ§Œλ“€κ±°λ‚˜ μ»¨ν…Œμ΄λ„ˆ 포트λ₯Ό 호슀트 ν¬νŠΈμ— λ§€ν•‘ν•  ν•„μš”κ°€ μ—†λ‹€. 이것은 νŒŒλ“œ λ‚΄μ˜ μ»¨ν…Œμ΄λ„ˆλŠ” λͺ¨λ‘ 둜컬호슀트(localhost)μ—μ„œ μ„œλ‘œμ˜ ν¬νŠΈμ— 도달할 수 있으며 ν΄λŸ¬μŠ€ν„°μ˜ λͺ¨λ“  νŒŒλ“œλŠ” NAT 없이 μ„œλ‘œλ₯Ό λ³Ό 수 μžˆλ‹€λŠ” μ˜λ―Έμ΄λ‹€. 이 λ¬Έμ„œμ˜ λ‚˜λ¨Έμ§€ λΆ€λΆ„μ—μ„œλŠ” μ΄λŸ¬ν•œ λ„€νŠΈμ›Œν‚Ή λͺ¨λΈμ—μ„œ μ‹ λ’°ν•  수 μžˆλŠ” μ„œλΉ„μŠ€λ₯Ό μ‹€ν–‰ν•˜λŠ” 방법에 λŒ€ν•΄ μžμ„Ένžˆ μ„€λͺ…ν•  것이닀.
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이 κ°€μ΄λ“œλŠ” κ°„λ‹¨ν•œ nginx μ„œλ²„λ₯Ό μ‚¬μš©ν•΄μ„œ κ°œλ…μ¦λͺ…을 보여쀀닀.
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ν΄λŸ¬μŠ€ν„°μ˜ λͺ¨λ“  λ…Έλ“œλ‘œ ssh μ ‘μ†ν•˜κ³  두 IP둜 curl을 ν• μˆ˜ μžˆμ–΄μ•Ό ν•œλ‹€. μ»¨ν…Œμ΄λ„ˆλŠ” λ…Έλ“œμ˜ 포트 80을 μ‚¬μš©ν•˜μ§€ *μ•ŠμœΌλ©°* , νŠΈλž˜ν”½μ„ νŒŒλ“œλ‘œ λΌμš°νŒ…ν•˜λŠ” νŠΉλ³„ν•œ NAT κ·œμΉ™λ„ μ—†λ‹€λŠ” 것을 μ°Έκ³ ν•œλ‹€. 이것은 λ™μΌν•œ containerPortλ₯Ό μ‚¬μš©ν•΄μ„œ λ™μΌν•œ λ…Έλ“œμ—μ„œ μ—¬λŸ¬ nginx νŒŒλ“œλ₯Ό μ‹€ν–‰ν•˜κ³  IPλ₯Ό μ‚¬μš©ν•΄μ„œ ν΄λŸ¬μŠ€ν„°μ˜ λ‹€λ₯Έ νŒŒλ“œλ‚˜ λ…Έλ“œμ—μ„œ μ ‘κ·Όν•  수 μžˆλ‹€λŠ” μ˜λ―Έμ΄λ‹€. 도컀와 λ§ˆμ°¬κ°€μ§€λ‘œ ν¬νŠΈλŠ” μ—¬μ „νžˆ 호슀트 λ…Έλ“œμ˜ μΈν„°νŽ˜μ΄μŠ€μ— κ²Œμ‹œλ  수 μžˆμ§€λ§Œ, λ„€νŠΈμ›Œν‚Ή λͺ¨λΈλ‘œ 인해 포트의 ν•„μš”μ„±μ΄ 크게 쀄어든닀.
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이제 ν΄λŸ¬μŠ€ν„°μ˜ λͺ¨λ“  λ…Έλ“œλ‘œ ssh μ ‘μ†ν•˜κ±°λ‚˜ `curl`κ³Ό 같은 도ꡬλ₯Ό μ‚¬μš©ν•˜μ—¬ 두 IP μ£Όμ†Œμ— 질의λ₯Ό 전솑할 수 μžˆμ„ 것이닀. μ»¨ν…Œμ΄λ„ˆλŠ” λ…Έλ“œμ˜ 포트 80을 μ‚¬μš©ν•˜μ§€ *μ•ŠμœΌλ©°* , νŠΈλž˜ν”½μ„ νŒŒλ“œλ‘œ λΌμš°νŒ…ν•˜λŠ” νŠΉλ³„ν•œ NAT κ·œμΉ™λ„ μ—†λ‹€λŠ” 것을 μ°Έκ³ ν•œλ‹€. 이것은 λ™μΌν•œ `containerPort`λ₯Ό μ‚¬μš©ν•˜μ—¬ λ™μΌν•œ λ…Έλ“œμ—μ„œ μ—¬λŸ¬ nginx νŒŒλ“œλ₯Ό μ‹€ν–‰ν•˜λŠ” 것이 κ°€λŠ₯ν•˜κ³ , λ˜ν•œ μ„œλΉ„μŠ€μ— ν• λ‹Ήλœ IP μ£Όμ†Œλ₯Ό μ‚¬μš©ν•˜μ—¬ ν΄λŸ¬μŠ€ν„°μ˜ λ‹€λ₯Έ νŒŒλ“œλ‚˜ λ…Έλ“œμ—μ„œ μ ‘κ·Όν•  수 μžˆλ‹€λŠ” μ˜λ―Έμ΄λ‹€. 호슀트 λ…Έλ“œμ˜ νŠΉμ • 포트λ₯Ό λ°°ν›„(backing) νŒŒλ“œλ‘œ ν¬μ›Œλ“œν•˜κ³  μ‹Άλ‹€λ©΄, κ°€λŠ₯은 ν•˜μ§€λ§Œ λ„€νŠΈμ›Œν‚Ή λͺ¨λΈμ„ μ‚¬μš©ν•˜λ©΄ κ·Έλ ‡κ²Œ ν•  ν•„μš”κ°€ μ—†μ–΄μ•Ό ν•œλ‹€.
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λ§Œμ•½ κΆκΈˆν•˜λ‹€λ©΄ [μΏ λ²„λ„€ν‹°μŠ€ λ„€νŠΈμ›Œν‚Ή λͺ¨λΈ](/ko/docs/concepts/cluster-administration/networking/#μΏ λ²„λ„€ν‹°μŠ€-λ„€νŠΈμ›Œν¬-λͺ¨λΈ)을 μžμ„Ένžˆ 읽어본닀.
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β€Žcontent/ko/docs/concepts/services-networking/dns-pod-service.md

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`172-17-0-3.default.pod.cluster.local`.
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μ„œλΉ„μŠ€μ— μ˜ν•΄ λ…ΈμΆœλœ λ””ν”Œλ‘œμ΄λ¨ΌνŠΈ(Deployment)λ‚˜ 데λͺ¬μ…‹(DaemonSet)에 μ˜ν•΄ μƒμ„±λœ
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λͺ¨λ“  νŒŒλ“œλŠ” λ‹€μŒκ³Ό 같은 DNS μ£Όμ†Œλ₯Ό κ°–λŠ”λ‹€.
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μ„œλΉ„μŠ€μ— μ˜ν•΄ λ…ΈμΆœλœ λͺ¨λ“  νŒŒλ“œλŠ” λ‹€μŒκ³Ό 같은 DNS μ£Όμ†Œλ₯Ό κ°–λŠ”λ‹€.
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`pod-ip-address.deployment-name.my-namespace.svc.cluster-domain.example`.
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`pod-ip-address.service-name.my-namespace.svc.cluster-domain.example`.
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### νŒŒλ“œμ˜ hostname 및 subdomain ν•„λ“œ
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β€Žcontent/ko/docs/concepts/services-networking/dual-stack.md

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* `--node-cidr-mask-size-ipv4|--node-cidr-mask-size-ipv6` IPv4의 기본값은 /24 이고 IPv6의 기본값은 /64 이닀.
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* kube-proxy:
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* `--cluster-cidr=<IPv4 CIDR>,<IPv6 CIDR>`
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* kubelet:
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* `--cloud-provider`κ°€ λͺ…μ‹œλ˜μ§€ μ•Šμ•˜λ‹€λ©΄
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κ΄€λ¦¬μžλŠ” ν•΄λ‹Ή λ…Έλ“œμ— λ“€μ–Ό μŠ€νƒ `.status.addresses`λ₯Ό μˆ˜λ™μœΌλ‘œ μ„€μ •ν•˜κΈ° μœ„ν•΄
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μ‰Όν‘œλ‘œ κ΅¬λΆ„λœ IP μ£Όμ†Œ μŒμ„ `--node-ip` ν”Œλž˜κ·Έλ‘œ 전달할 수 μžˆλ‹€.
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ν•΄λ‹Ή λ…Έλ“œμ˜ νŒŒλ“œκ°€ HostNetwork λͺ¨λ“œλ‘œ μ‹€ν–‰λœλ‹€λ©΄,
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νŒŒλ“œλŠ” 이 IP μ£Όμ†Œλ“€μ„ μžμ‹ μ˜ `.status.podIPs` ν•„λ“œμ— λ³΄κ³ ν•œλ‹€.
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λ…Έλ“œμ˜ λͺ¨λ“  `podIPs`λŠ” ν•΄λ‹Ή λ…Έλ“œμ˜ `.status.addresses` ν•„λ“œμ— μ˜ν•΄ μ •μ˜λœ
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IP νŒ¨λ°€λ¦¬ μ„ ν˜Έμ‚¬ν•­μ„ λ§Œμ‘±ν•œλ‹€.
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{{< note >}}
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IPv4 CIDR의 예: `10.244.0.0/16` (μžμ‹ μ˜ μ£Όμ†Œ λ²”μœ„λ₯Ό μ œκ³΅ν•˜λ”λΌλ„)

β€Žcontent/ko/docs/concepts/services-networking/ingress-controllers.md

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Citrix μ• ν”Œλ¦¬μΌ€μ΄μ…˜ λ”œλ¦¬λ²„λ¦¬ μ»¨νŠΈλ‘€λŸ¬μ—μ„œ μž‘λ™ν•œλ‹€.
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* [Contour](https://projectcontour.io/)λŠ” [Envoy](https://www.envoyproxy.io/) 기반 인그레슀 μ»¨νŠΈλ‘€λŸ¬λ‹€.
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* [EnRoute](https://getenroute.io/)λŠ” 인그레슀 컨트둀러둜 μ‹€ν–‰ν•  수 μžˆλŠ” [Envoy](https://www.envoyproxy.io) 기반 API κ²Œμ΄νŠΈμ›¨μ΄λ‹€.
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* [Easegress IngressController](https://github.com/megaease/easegress/blob/main/doc/ingresscontroller.md)λŠ” 인그레슀 컨트둀러둜 μ‹€ν–‰ν•  수 μžˆλŠ” [Easegress](https://megaease.com/easegress/) 기반 API κ²Œμ΄νŠΈμ›¨μ΄λ‹€.
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* [Easegress IngressController](https://github.com/megaease/easegress/blob/main/doc/reference/ingresscontroller.md)λŠ” 인그레슀 μ»¨νŠΈλ‘€λŸ¬λ‘œμ„œ μ‹€ν–‰ν•  수 μžˆλŠ” [Easegress](https://megaease.com/easegress/) 기반 API κ²Œμ΄νŠΈμ›¨μ΄λ‹€.
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* F5 BIG-IP [μΏ λ²„λ„€ν‹°μŠ€ 용 μ»¨ν…Œμ΄λ„ˆ 인그레슀 μ„œλΉ„μŠ€](https://clouddocs.f5.com/containers/latest/userguide/kubernetes/)λ₯Ό
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μ΄μš©ν•˜λ©΄ 인그레슀λ₯Ό μ‚¬μš©ν•˜μ—¬ F5 BIG-IP 가상 μ„œλ²„λ₯Ό ꡬ성할 수 μžˆλ‹€.
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* [Gloo](https://gloo.solo.io)λŠ” API κ²Œμ΄νŠΈμ›¨μ΄ κΈ°λŠ₯을 μ œκ³΅ν•˜λŠ” [Envoy](https://www.envoyproxy.io) 기반의

β€Žcontent/ko/docs/concepts/services-networking/ingress.md

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μ„€μ • 파일의 μž‘μ„±μ— λŒ€ν•œ 일반적인 λ‚΄μš©μ€ [μ• ν”Œλ¦¬μΌ€μ΄μ…˜ λ°°ν¬ν•˜κΈ°](/ko/docs/tasks/run-application/run-stateless-application-deployment/), [μ»¨ν…Œμ΄λ„ˆ κ΅¬μ„±ν•˜κΈ°](/docs/tasks/configure-pod-container/configure-pod-configmap/), [λ¦¬μ†ŒμŠ€ κ΄€λ¦¬ν•˜κΈ°](/ko/docs/concepts/cluster-administration/manage-deployment/)λ₯Ό μ°Έμ‘°ν•œλ‹€.
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μΈκ·Έλ ˆμŠ€λŠ” μ’…μ’… μ–΄λ…Έν…Œμ΄μ…˜μ„ μ΄μš©ν•΄μ„œ 인그레슀 μ»¨νŠΈλ‘€λŸ¬μ— 따라 λͺ‡ κ°€μ§€ μ˜΅μ…˜μ„ κ΅¬μ„±ν•˜λŠ”λ°,
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κ·Έ μ˜ˆμ‹œλŠ” [μž¬μž‘μ„±-νƒ€κ²Ÿ μ–΄λ…Έν…Œμ΄μ…˜](https://github.com/kubernetes/ingress-nginx/blob/master/docs/examples/rewrite/README.md)이닀.
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λ‹€λ₯Έ [인그레슀 컨트둀러](/ko/docs/concepts/services-networking/ingress-controllers)λŠ” λ‹€λ₯Έ μ–΄λ…Έν…Œμ΄μ…˜μ„ μ§€μ›ν•œλ‹€.
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μ„œλ‘œ λ‹€λ₯Έ [인그레슀 컨트둀러](/ko/docs/concepts/services-networking/ingress-controllers)λŠ” μ„œλ‘œ λ‹€λ₯Έ μ–΄λ…Έν…Œμ΄μ…˜μ„ μ§€μ›ν•œλ‹€.
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μ§€μ›λ˜λŠ” μ–΄λ…Έν…Œμ΄μ…˜μ„ ν™•μΈν•˜λ €λ©΄ μ„ νƒν•œ 인그레슀 컨트둀러의 μ„€λͺ…μ„œλ₯Ό κ²€ν† ν•œλ‹€.
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인그레슀 [사양](https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status)
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μ—λŠ” λ‘œλ“œ λ°ΈλŸ°μ„œ λ˜λŠ” ν”„λ‘μ‹œ μ„œλ²„λ₯Ό κ΅¬μ„±ν•˜λŠ”λ° ν•„μš”ν•œ λͺ¨λ“  정보가 μžˆλ‹€. κ°€μž₯ μ€‘μš”ν•œ 것은,
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λ“€μ–΄μ˜€λŠ” μš”μ²­κ³Ό μΌμΉ˜ν•˜λŠ” κ·œμΉ™ λͺ©λ‘μ„ ν¬ν•¨ν•˜λŠ” 것이닀. 인그레슀 λ¦¬μ†ŒμŠ€λŠ” HTTP(S) νŠΈλž˜ν”½μ„
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μ§€μ‹œν•˜λŠ” κ·œμΉ™λ§Œ μ§€μ›ν•œλ‹€.
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`ingressClassName`을 μƒλž΅ν•˜λ €λ©΄, [κΈ°λ³Έ 인그레슀 클래슀](#default-ingress-class)κ°€
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μ •μ˜λ˜μ–΄ μžˆμ–΄μ•Ό ν•œλ‹€.
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λͺ‡λͺ‡ 인그레슀 μ»¨νŠΈλ‘€λŸ¬λŠ” κΈ°λ³Έ `IngressClass`κ°€ μ •μ˜λ˜μ–΄ μžˆμ§€ μ•Šμ•„λ„ λ™μž‘ν•œλ‹€.
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예λ₯Ό λ“€μ–΄, Ingress-NGINX μ»¨νŠΈλ‘€λŸ¬λŠ” `--watch-ingress-without-class`
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[ν”Œλž˜κ·Έ](https://kubernetes.github.io/ingress-nginx/#what-is-the-flag-watch-ingress-without-class)λ₯Ό μ΄μš©ν•˜μ—¬ ꡬ성될 수 μžˆλ‹€.
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ν•˜μ§€λ§Œ [μ•„λž˜](#default-ingress-class)에 λ‚˜μ™€ μžˆλŠ” 것과 같이 κΈ°λ³Έ `IngressClass`λ₯Ό λͺ…μ‹œν•˜λŠ” 것을
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[ꢌμž₯](https://kubernetes.github.io/ingress-nginx/#i-have-only-one-instance-of-the-ingresss-nginx-controller-in-my-cluster-what-should-i-do)ν•œλ‹€.
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### 인그레슀 κ·œμΉ™
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각 HTTP κ·œμΉ™μ—λŠ” λ‹€μŒμ˜ 정보가 ν¬ν•¨λœλ‹€.
@@ -339,6 +348,14 @@ spec:
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κΈ°λ³Έκ°’μœΌλ‘œ ν‘œμ‹œν•˜λ„λ‘ ν•΄μ„œ 이 문제λ₯Ό ν•΄κ²°ν•  수 μžˆλ‹€.
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{{< /caution >}}
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λͺ‡λͺ‡ 인그레슀 μ»¨νŠΈλ‘€λŸ¬λŠ” κΈ°λ³Έ `IngressClass`κ°€ μ •μ˜λ˜μ–΄ μžˆμ§€ μ•Šμ•„λ„ λ™μž‘ν•œλ‹€.
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예λ₯Ό λ“€μ–΄, Ingress-NGINX μ»¨νŠΈλ‘€λŸ¬λŠ” `--watch-ingress-without-class`
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[ν”Œλž˜κ·Έ](https://kubernetes.github.io/ingress-nginx/#what-is-the-flag-watch-ingress-without-class)λ₯Ό μ΄μš©ν•˜μ—¬ ꡬ성될 수 μžˆλ‹€.
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ν•˜μ§€λ§Œ λ‹€μŒκ³Ό 같이 κΈ°λ³Έ `IngressClass`λ₯Ό λͺ…μ‹œν•˜λŠ” 것을
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[ꢌμž₯](https://kubernetes.github.io/ingress-nginx/#i-have-only-one-instance-of-the-ingresss-nginx-controller-in-my-cluster-what-should-i-do)ν•œλ‹€.
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{{< codenew file="service/networking/default-ingressclass.yaml" >}}
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## 인그레슀 μœ ν˜•λ“€
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### 단일 μ„œλΉ„μŠ€λ‘œ μ§€μ›λ˜λŠ” 인그레슀 {#single-service-ingress}
@@ -468,9 +485,7 @@ graph LR;
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νŠΈλž˜ν”½μ„ 일치 μ‹œν‚¬ 수 μžˆλ‹€.
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예λ₯Ό λ“€μ–΄, λ‹€μŒ μΈκ·Έλ ˆμŠ€λŠ” `first.bar.com`에 μš”μ²­λœ νŠΈλž˜ν”½μ„
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`service1`둜, `second.bar.com`λŠ” `service2`둜, 호슀트 이름이 μ •μ˜λ˜μ§€
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μ•Šμ€(즉, μš”μ²­ 헀더가 ν‘œμ‹œ λ˜μ§€ μ•ŠλŠ”) IP μ£Όμ†Œλ‘œμ˜ λͺ¨λ“ 
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νŠΈλž˜ν”½μ€ `service3`둜 λΌμš°νŒ… ν•œλ‹€.
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`service1`둜, `second.bar.com`λŠ” `service2`둜, 그리고 μš”μ²­ 헀더가 `first.bar.com` λ˜λŠ” `second.bar.com`에 ν•΄λ‹Ήλ˜μ§€ μ•ŠλŠ” λͺ¨λ“  νŠΈλž˜ν”½μ„ `service3`둜 λΌμš°νŒ…ν•œλ‹€.
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{{< codenew file="service/networking/name-virtual-host-ingress-no-third-host.yaml" >}}
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