Multiple virtual machines on one physical machine Applications run unmodified

Multiple virtual machines on one physical machine

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Multiple virtual machines on one physical machine Applications run unmodified as on real machine VM can migrate from one computer to another 20 CSE 222A – Lecture 6: Software Defined Networks
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VMM Virtual Switches 21 CSE 222A – Lecture 6: Software Defined Networks
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Top - of - Rack Architecture Rack of servers u Commodity servers u And top-of-rack switch Modular design u Preconfigured racks u Power, network, and storage cabling Aggregate to the next level 22 CSE 222A – Lecture 6: Software Defined Networks
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Extreme Modularity Containers Many containers 23 CSE 222A – Lecture 6: Software Defined Networks
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24 Data Center Challenges Traffic load balance Support for VM migration Achieving bisection bandwidth Power savings / Cooling Network management (provisioning) Security (dealing with multiple tenants) CSE 222A – Lecture 7: Data Center Networks
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Data Center Costs James Hamilton published basic 2008 breakdown Servers: 45% u CPU, memory, disk Infrastructure: 25% u UPS, cooling, power distribution Power draw: 15% u Electrical utility costs Network: 15% u Switches, links, transit 25 CSE 222A – Lecture 6: Software Defined Networks
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For Next Class… Read P4 paper Submit project ideas by tonight u Email me & TA initial idea(s) Project groups will be due next Tuesday u I will post on Piazza on Friday so you can find like-minded teammages. CSE 222A – Lecture 6: Software Defined Networks 26
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  • Fall '08
  • Vahdat,A
  • Computer network, The Network, Software Defined Networks

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