About Cloud. ○ 가상화(Virtualization) - 서버 가상화 : 서버통합 방법론, 이미 완료된 시장. 1. VMware 2. MS HyperV 3. KVM(OpenSource), RHEV(레드햇) 4. OracleVM - 네트워크 가상화 ->SDN(Software Defined Network) - 스토리지 가상화 - 에플리케이션 가상화 - OS(컨테이너) 가상화 About OpenStack. ○ What is OpenStack? - Open source IaaS implementation - Free open source (Apache license)software - Ongoing, significant code contributions from many industry leaders, including HPE - Plugable and hardware-agnostic architecture - NSA(Nebula platform)과 Rackspace(Cloud Files platform) 사이 협업 프로젝트에서 시작됨 ○ OpenStack Architecture. Conceptual architecture OpenStack inter-service communications ○ Nova 컴퓨팅 ⊙ Nova 디자인 가이드라인 : ○ Glance ⊙ 이미지, Swift에 저장. ○ Keystone ⊙ 인증키 ○ Neutron ⊙ 네트워크 ○ Swift ⊙ Object Storage ○ Cellometer ⊙ Block Storage ○ Horizon ⊙ 웹기반 UI ○ Heat ⊙ Orchestrates c...