Legion The Grid Operating System

4/9/2001


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Table of Contents

Legion The Grid Operating System

The Legion Team @UVa

Overview

Philosophy

Grid Environment

Grid OS Requirements

High Performance

Collaboration

Philosophy

A Grid OS

Transparent System

Goals

Service

Design Principles

Architecture

Object-Based System

Integrated System

Available Solutions

Shared Persistent Space

Migration

Replication

Resource Sharing

Types Of Applications

Transparent Remote Execution

CHARMM Runs

Resources Available

Mechanics of Runs

Distribution of CHARMM Work

Heterogeneous Runs

Cross-Organisation Collaboration

Tools

Architecture

Legion Object

Common Objects

Unified Console

Object Management

Object Naming

Context Name

Legion Object Identifier

Object Address

What’s in a name?

Flexible Context Space

Architecture

Security Design

Access Control

Security & System Configuration

Architecture

General Allocation

Specific Allocation

Negotiation Process

Allocation By Negotiation

Deployment

Platforms

National Legion Net

Applications

User View

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Author: lcuser