150114 openstack korea 정기세미나 session1
TRANSCRIPT
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다른 시각으로 본 SDN 포티넷 코리아 이상훈
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(우진) 이상훈 Fortinet SE
KRDAG (Korea Datacenter Architect) Amway Korea (Technical Architect, 인프라총괄) Infnis (Solution Launch Support Engineer)
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Agenda
1. SDN 삼국지 2. SDN 은 네트워크계의 SoA 3. SDN 인가? 4. 각자의 사정
1. ISP 입장에서의 SDN 2. Cloud 사업자 입장에서의 SDN 3. (그밖의) 다른 입장에서의 SDN
5. 박쥐가 얘기 하는 미래의 SDN
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1. SDN 삼국지
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Software Defined Network
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S 시도때도없이 D 등장하는
N 놈
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MainFrame (SNA, Telnet)
DB
WAS
WEB
Dummy
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가내 수공업
대량(전문) 생산
다품종 소량생산
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Service Oriented Architecture
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90년대 말 2000년대 2010년대 방향성 CPU
Intel Intel Intel
CPU 회사 통합
Chipset
Compaq
Serverworks Intel CPU 회사 통합
RAID
Compaq Adaptec + Compaq
Adaptec
전문 Chipset 회사
Lancard
Compaq etc Intel Broadcom
전문 Chipset 회사
서버 Chipset 변화
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그렇게 30년…
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가내 수공업
대량(전문) 생산
다품종 소량생산
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수직계열화
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쟤가 배신하면 겁내 비싸 겁내 무거워
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2. SDN은 네트워크의 SoA
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Service Oriented Architecture
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Service Oriented Architecture
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실체가 없다
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누군가는 했다고 하는데
보기가 힘들다
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개념 + 실체의 갭
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바라보는 시각의 차이
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Network 장비 구조
Control Plane - 일반 CPU
- Network OS
Data Plane - ASIC
- Packet Forwarding
CPU
ASIC
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Network 장비 구조
Slow Flexible
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Control Plane 을 네트워크 장비에서 분리
Data Plane - Packet Forwarding
ASIC
CONTROLER
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Control Plane 을 네트워크 장비에서 분리
Data Plane - Packet Forwarding
ASIC
CONTROLER
CPU
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SDN 구조
SOUTHBOUND API
NORTHBOUND API
APPLICATION
CONTROLLER
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SDN 구조
RESTAPI
APPLICATION
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MainFrame (SNA, Telnet)
DB
WAS
WEB
Dummy
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3-Tier Architecture (Modified HTML)
DB
WAS
WEB
DB
WAS
WEB
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SDN 구조
SOUTHBOUND API
NORTHBOUND API
APPLICATION
CONTROLLER
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Service Oriented Architecture – SOA (SOAP)
EAI (Enterprise Backbone)
DB DB DB DB
WAS
WEB
WAS
WEB
WAS
WEB
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3. SDN 맞나?
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SDN 구조
RESTAPI
APPLICATION
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폐쇄 구조 SDN?
특정회사 전용 API
특정회사 전용 API
APPLICATION
전용 CONTROLLER
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4. 각자의 사정
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4.1 ISP 입장에서의 SDN
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4.2 Cloud 사업자 입장에서의 SDN
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4.3 그밖의 입장에서의 SDN
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솔루션 수직 계층화
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5. SDN의 미래
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Control Plane Data Plane
분리
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구조가 있다
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사람에 따라 시각이 다르다
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현재는 네트워크 최적화
자동화에 초점
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미래에는 네트워크를 뛰어넘어 비즈니스로
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인프라 투자 주기
국내 모바일망 IPv6 전환
국내 초고속 유선 사업자 IPv6 전환
국내 주요 포털 국내망 IPv6 전환
IPv6 대중화
국내 Enterprise IPv6 전환
순수 IPv6 환경 전환
2019
2014 2016 2018
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Infrastructure 의 유연성 요구
• 모든 서비스의 기반 Infrastructure » 전기, 상면, 공조 등 시설 인프라 » 네트워크, 서버 관련 인프라
• 인프라 경직성으로 인한 서비스 도입 지연 » Application, 서비스에 비하여 전환이 어려움 » Web2.0, Mobile 이후 새로운 서비스의 폭발적 증가로 인하여 새로운 인프라 요구
• 유연한 인프라 요구
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