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Threads Interface Microkernel Multi-Processor Computing System P Threads Interface Microkernel Multi-Processor Computing System P

Commercialization R&D Commodity Commercialization R&D Commodity

Vertical Vertical

SISD : A Conventional Computer Instructions SISD : A Conventional Computer Instructions

Instruction Stream A Instruction Stream B Instruction Stream C Data Input Stream Data Output Instruction Stream A Instruction Stream B Instruction Stream C Data Input Stream Data Output Stream

Instruction Stream Data Input stream A Data Input stream B Data Input stream C Instruction Stream Data Input stream A Data Input stream B Data Input stream C Data Output stream A Data Output stream B Data Output stream C

Instruction Stream A Stream B Stream C Data Input stream A Data Input stream Instruction Stream A Stream B Stream C Data Input stream A Data Input stream B Data Input stream C Data Output stream A Data Output stream B Data Output stream C

Technology Trend Technology Trend

Original Food Chain Picture Original Food Chain Picture

1984 Computer Food Chain 1984 Computer Food Chain

1994 Computer Food Chain 1994 Computer Food Chain

Computer Food Chain (Now and Future) Computer Food Chain (Now and Future)

Opportunity of Large-scale Computing on NOW Opportunity of Large-scale Computing on NOW

Cluster Computer and its Components Cluster Computer and its Components

Classification of Cluster Computer Classification of Cluster Computer

Public Enterprise Campus Department Workgroup Public Enterprise Campus Department Workgroup

Cluster Middleware and Single System Image Cluster Middleware and Single System Image

A typical Cluster Computing Environment A typical Cluster Computing Environment

The missing link is provide by cluster middleware/underware The missing link is provide by cluster middleware/underware

Level Examples Boundary Importance Level Examples Boundary Importance

Level Examples Boundary Importance Level Examples Boundary Importance

Level Examples Boundary Importance Level Examples Boundary Importance

Load Load

Nimrod - A Job Management System Nimrod - A Job Management System

Users Users

Sequential addresses Local Disks, (RADD Space) Peripherals (NAP Space) Sequential addresses Local Disks, (RADD Space) Peripherals (NAP Space)

User Applications Name Agent RADD Disk/RAID/ NAP Mapper NASD Block Mover NAP User-level Middleware User Applications Name Agent RADD Disk/RAID/ NAP Mapper NASD Block Mover NAP User-level Middleware plus some Modified OS System Calls

A A A A A A