Additional Tools

This chapter covers some additional features provided by ns-3 which can be useful in writing models and scripts.

• Random Variables
  • Quick Overview
  • Background
  • Creating random variables
  • Seeding and independent replications
  • Class RandomVariableStream
  • Base class public API
  • Types of RandomVariables
  • Semantics of RandomVariableStream objects
  • Using other PRNG
  • Setting the stream number
  • Publishing your results
  • Summary
• Hash Functions
  • Basic Usage
  • Incremental Hashing
  • Using an Alternative Hash Function
  • Adding New Hash Function Implementations
  • Sources for Hash Functions
• Tracing
  • Tracing Motivation
  • Overview
  • Using the Tracing API
  • Using Trace Helpers
  • Tracing implementation details
• Data Collection
  • Design
  • Data Collection Helpers
  • Probes
  • Collectors
  • Aggregators
  • Adaptors
  • Scope/Limitations
• Statistical Framework
  • Goals
  • Overview
  • To-Do
  • Approach
  • Example
• Helpers
• Making Plots using the Gnuplot Class
  • Creating Plots Using the Gnuplot Class
  • An Example Program that Uses the Gnuplot Class
  • An Example 2-Dimensional Plot
  • An Example 2-Dimensional Plot with Error Bars
  • An Example 3-Dimensional Plot
• Using Python to Run ns-3
  • Introduction
  • An Example Python Script that Runs ns-3
  • Running Python Scripts
  • Caveats
  • Working with Python Bindings
  • Historical Information