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Open stack korea_uni2u_pdf
The document discusses Neutron and SDN (Software Defined Networking) as solutions to problems with managing complex and dynamic data center networks. Neutron is OpenStack's networking component, which uses SDN approaches like OpenFlow to provide logical network abstractions and flexible virtual network configuration. SDN allows network policies to be programmed centrally and automated, improving network provisioning, management, and response to failures or changes. When combined with Neutron and an SDN controller like OpenDaylight, this enables on-demand, software-defined network services for OpenStack clouds.
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Open stack korea_uni2u_pdf
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- 18. Together • Data CenterNetwork • OpenStack Neutron • Software Defined Network
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- 21. Network • Provides alogical network abstraction on top of a physical network Hypervisor A Hypervisor B VM VM VM VM VM VM Physical Network View VM VM VM Logical Switch Logical Switch Logical Switch Logical Router Logical Switch VM VM VM Logical Network View
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- 24. 네트워크 • 사용자의 요구에따라서 • 사용자 마음껏 생성 • 네트워크를 잘 모르는 사용자도 가상 네트워크를 생성 • 네트워크 구성은 구글링으로 생성 • 같은 네트워크 사용할 위험성 • 네트워크 관리자는 • 사용자가 요구한 네트워크를 즉각 만들어야 함 • 독립적 네트워크를 구성하여야 함
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- 29. 네트워크 • 네트워크에 문제가발생하면 • 알아서 수정하고 적용하여야 함 • 네트워크 관리자에게 알림을 보내줘야 함 • 기계적으로 처리가 되어야 함 • 이미 완성된 네트워크를 수정한다는 것은 • 매우 어려운 일 • 매우 지루한 일 • 실수가 발생되기 쉬운 일
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- 34. needs • Easy • Networkmanagement • Speed • Network create/update/delete • Traffic • Safety • Total Network Management • Virtual, Physical Network Management
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- 37. Neutron “OpenStack이 대세... 그런데네트워크 쪽은... 2% 아쉽기도...” “왜 ERROR는 다 네트워크냐... 안되면 전부 Network...”
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- 46. Neutron • All intersubnet traffic goes through the network Node • different subnet connected by vRouter (NetworkNode) • OpenStack use Network Agent • Process based • Network Scalability • use so many solutions • add on other opensource
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- 49. DVR • Distribute VirtualRouter • using L3 Agent on Compute Node
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- 51. Network • WE Traffic(West-East)