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4. The Class Simulator
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The Manual (formerly Notes
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3.8 Class InstVar
Contents
Index
2 Simulator Basics
Subsections
4. The Class Simulator
4.1 Simulator Initialization
4.2 Schedulers and Events
4.2.1 The List Scheduler
4.2.2 the heap scheduler
4.2.3 The Calendar Queue Scheduler
4.2.4 The Real-Time Scheduler
4.2.5 Precision of the scheduler clock used in ns
4.3 Other Methods
5. Nodes and Packet Forwarding
5.1 Node Basics
5.2 Node Methods: Configuring the Node
5.3 Node Configuration Interface
5.4 The Classifier
5.4.1 Address Classifiers
5.4.2 Multicast Classifiers
5.4.3 MultiPath Classifier
5.4.4 Hash Classifier
5.4.5 Replicator
5.5 Routing Module and Classifier Organization
5.5.1 Routing Module
5.5.2 Node Interface
5.6 Commands at a glance
6. Links: Simple Links
6.1 Instance Procedures for Links and SimpleLinks
6.2 Connectors
6.3 Object hierarchy
6.4 Commands at a glance
7. Queue Management and Packet Scheduling
7.1 The C++ Queue Class
7.1.1 Queue blocking
7.1.2 PacketQueue Class
7.2 Example: Drop Tail
7.3 Different types of Queue objects
7.4 Commands at a glance
7.5 Queue/JoBS
7.5.1 The JoBS algorithm
7.5.1.1 Objective
7.5.1.2 Mechanisms
7.5.2 Configuration
7.5.2.1 Initial Setup
7.5.2.2 Creating the JoBS links
7.5.2.3 Marking the traffic
7.5.3 Tracing
7.5.4 Variables
7.5.4.1 JoBS objects
7.5.4.2 Marker objects
7.5.4.3 Demarker objects
7.5.5 Commands at a glance
7.5.5.1 JoBS objects
7.5.5.2 Marker objects
7.5.5.3 Demarker objects
8. Delays and Links
8.1 The LinkDelay Class
8.2 Commands at a glance
9. Differentiated Services Module in
ns
9.1 Overview
9.2 Implementation
9.2.1 RED queue in DiffServ module
9.2.2 Edge and core routers
9.2.3 Policy
9.3 Configuration
9.4 Commands at a glance
10. Agents
10.1 Agent state
10.2 Agent methods
10.3 Protocol Agents
10.4 OTcl Linkage
10.4.1 Creating and Manipulating Agents
10.4.2 Default Values
10.4.3 OTcl Methods
10.5 Examples: Tcp, TCP Sink Agents
10.5.1 Creating the Agent
10.5.2 Starting the Agent
10.5.3 Processing Input at Receiver
10.5.4 Processing Responses at the Sender
10.5.5 Implementing Timers
10.6 Creating a New Agent
10.6.1 Example: A ``ping'' requestor (Inheritance Structure)
10.6.2 The
recv
() and
timeout
() Methods
10.6.3 Linking the ``ping'' Agent with OTcl
10.6.4 Using the agent through OTcl
10.7 The Agent API
10.8 Different agent objects
10.9 Commands at a glance
11. Timers
11.1 C++ abstract base class TimerHandler
11.1.1 Definition of a new timer
11.1.2 Example: Tcp retransmission timer
11.2 OTcl Timer class
11.3 Commands at a glance
12. Packet Headers and Formats
12.1 A Protocol-Specific Packet Header
12.1.1 Adding a New Packet Header Type
12.1.2 Selectively Including Packet Headers in Your Simulation
12.2 Packet Classes
12.2.1 The Packet Class
12.2.2 p_info Class
12.2.3 The hdr_cmn Class
12.2.4 The PacketHeaderManager Class
12.3 Commands at a glance
13. Error Model
13.1 Implementation
13.2 Configuration
13.3 Multi-state error model
13.4 Commands at a glance
14. Local Area Networks
14.1 Tcl configuration
14.2 Components of a LAN
14.3 Channel Class
14.3.1 Channel State
14.3.2 Example: Channel and classifier of the physical layer
14.3.3 Channel Class in C++
14.4 MacClassifier Class
14.5 MAC Class
14.5.1 Mac State
14.5.2 Mac Methods
14.5.3 Mac Class in C++
14.5.4 CSMA-based MAC
14.6 LL (link-layer) Class
14.6.1 LL Class in C++
14.6.2 Example: Link Layer configuration
14.7 LanRouter class
14.8 Other Components
14.9 LANs and
ns
routing
14.10 Commands at a glance
15. The (Revised) Addressing Structure in NS
15.1 The Default Address Format
15.2 The Hierarchical Address Format
15.2.1 Default Hierarchical Setting
15.2.2 Specific Hierarchical Setting
15.3 The Expanded Node-Address Format
15.4 Expanding port-id field
15.5 Errors in setting address format
15.6 Commands at a glance
16. Mobile Networking in ns
16.1 The basic wireless model in ns
16.1.1 Mobilenode: creating wireless topology
16.1.2 Creating Node movements
16.1.3 Network Components in a mobilenode
16.1.4 Different MAC layer protocols for mobile networking
16.1.4.1 802.11 MAC protocol
16.1.4.2 Preamble based TDMA protocol
16.1.5 Different types of Routing Agents in mobile networking
16.1.5.1 DSDV
16.1.5.2 DSR
16.1.5.3 TORA
16.1.5.4 AODV
16.1.6 Trace Support
16.1.7 Revised format for wireless traces
16.1.7.1 Explanation of new trace format
16.1.8 Generation of node-movement and traffic-connection for wireless scenarios
16.1.8.1 MobileNode Movement
16.1.8.2 Generating traffic pattern files
16.2 Extensions made to CMU's wireless model
16.2.1 wired-cum-wireless scenarios
16.2.2 MobileIP
16.3 802.11 MAC protocol
16.4 Lists of changes for merging code developed in older version of ns (2.1b5 or later) into the current version (2.1b8)
16.5 Commands at a glance
17. Satellite Networking in
ns
17.1 Overview of satellite models
17.1.1 Geostationary satellites
17.1.2 Low-earth-orbiting satellites
17.2 Using the satellite extensions
17.2.1 Nodes and node positions
17.2.2 Satellite links
17.2.3 Handoffs
17.2.4 Routing
17.2.5 Trace support
17.2.6 Error models
17.2.7 Other configuration options
17.2.8
nam
support
17.2.9 Integration with wired and wireless code
17.2.10 Example scripts
17.3 Implementation
17.3.1 Use of linked lists
17.3.2 Node structure
17.3.3 Detailed look at satellite links
17.4 Commands at a glance
18. Radio Propagation Models
18.1 Free space model
18.2 Two-ray ground reflection model
18.3 Shadowing model
18.3.1 Backgroud
18.3.2 Using shadowing model
18.4 Communication range
18.5 Commands at a glance
19. Energy Model in ns
19.1 The C++ EnergyModel Class
19.2 The OTcl interface
20. Directed Diffusion
20.1 What is Directed Diffusion?
20.2 The diffusion model in ns
20.3 Some mac issues for diffusion in ns
20.4 APIs for using filters in diffusion
20.5 Ping: an example diffusion application implementation
20.5.1 Ping Application as implemented in C++
20.5.2 Tcl APIs for the ping application
20.6 Changes required to add yr diffusion application to ns
20.7 Test-suites for diffusion
20.8 Commands at a glance
21. XCP: eXplicit Congestion control Protocol
21.1 What is XCP?
21.2 Implementation of XCP in NS
21.2.1 Endpoints in XCP
21.2.2 XCP Router
21.2.3 XCP queue
21.3 XCP example script
21.4 Test-suites for XCP
21.5 Commands at a glance
22. DelayBox: Per-Flow Delay and Loss
22.1 Implementation Details
22.2 Example
22.3 Commands at a Glance
23. Changes made to the IEEE 802.15.4 Implementation in NS-2.31
23.1 Radio shutdown
23.2 Other changes
2008-05-16
