A Distributed OperatingSystem

Table of Contents

PPT Slide

PPT Slide

A Distributed OperatingSystem

Hardware Architectures

Software Architectures

Design Issues

Design Issues (cont.)

Micro Kernel

Distributed File Systems

File and Directory Naming

File Sharing Semantics

Sun-NFS

Sun-NFS (cont.)

Sun-NFS Structure

Andrew File System

Andrew File System (cont)

AFS Structure

AFS File Validation

The Coda File System

Remote Procedure Call

Remote Procedure Call (cont.)

Process Migration

A Mosix Cluster

An Architecture for Migration

PPT Slide

Other Considerations for Migration

Work at the CNDS lab in this area…

The Cost-Benefit Framework for a Network of Workstations

How does it work?

What did we do?

New Assignment Policy

Enhanced PVM and Enhanced Mosix

Evaluation Methodology

Aggregate Results

Simulation: PVM / EPVM

Simulation: Mosix / EMosix

Real Life: PVM / EPVM

Interesting: Mosix / EPVM

Email: yairamir@cs.jhu.edu

Home Page: http://www.cs.jhu.edu/~yairamir/cs437/600-437.html

Other information:
Distributed Systems 600.437: Lecture 12. Distributed Operating Systems.