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Ultimate guide to the flat data centre network

Is it time for the data centre network to shed a tier?

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The traditional three-tier network had a good run, but its age is starting to show in today's brave new world of server consolidation, virtual machines, cloud computing and 10Gigabit switches. Here's a look at where we've been and where we might be headed.


  • Loopy LANs
  • Perlman's propitious protocol
  • STP's secret sauce
  • The three-tier network
  • Radia redux
  • Cisco's FabricPath
  • Brocade One
  • HP/3Com
  • Juniper: Easy as 3-2-1
  • The one-tier network
  • Extreme measures



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