Motivation: Technology Trends

• Disks, systems, switches are getting smaller

• Convergence on “intelligent” disks (IDISKs)
  • MicroDrive + system-on-a-chip => tiny IDISK nodes

• Inevitability of enormous-scale systems
  • by 2006, a O(10,000) IDISK-node cluster with 90TB of storage could fit in one rack

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