Simulation of Large-Scale Communication Networks
How Large?  How Fast?

Outline

Large-Scale Network Simulation

Packet-Level Simulation Performance: A Quantitative Approach

Quantifying Packet-Level Simulator Performance

Scalability of Packet Level Simulators

Outline

Approaches to Parallel Network Simulation

Parallel Simulation Software

Software Architecture

Outline

Performance Study

Network Topologies: CampusNet
(Dartmouth)

MilNet (Dartmouth, UCR)

Traffic Scenarios

Hardware Platforms

Sequential Performance Comparison (Single Campus Network)

Sequential Performance

PDNS Performance on Cluster
(Perumalla/Park)

PDNS: More Runs

Lemieux Supercomputer

PDNS Performance on PSC
(Perumalla)

GTNetS Performance (PSC)
(Riley)

Performance Summary

Summary and Current Work

Many Challenges Remain

Acknowledgements