Computer Network. The Practical User Guide for. Simulation. Adarshpal S. Hnatyshin. Vasil Y. CRC Press. Taylor Si Francis Croup

Transcription

1 The Practical User Guide for Computer Network Simulation Adarshpal S. Sethi Vasil Y. Hnatyshin CRC Press Taylor Si Francis Croup Boca Raton London New York CRC Press is an imprint of the Taylor & Francis Croup, an informa business

2 Contents Preface Authors OPNET Trademark Information xvii xxi xxiii Chapter 1 Getting Started with OPNET OPNET IT Guru and Modeler Installing OPNET IT Guru and Modeler OPNET License Server Folders Created at Installation Enabling Optional Product Modules Managing OPNET Preferences The Preferences Editor Changing Preference Values The Environment File Viewing Documentation Working with Files and Model Directories File Chooser Modes Adding Model Directories Projects and Scenarios Working with Projects Opening an Existing Project Creating a New Project with the Startup Wizard Deleting a Project Working with Scenarios Creating Scenarios Managing Scenarios Selecting a Scenario Importing Scenario Components 18 Chapter 2 Creating Network Topology Introduction Object Palette Tree Utility for Creating Network Topology Model Naming Conventions Models in the internetjoolbox Palette Working with the Object Palette Tree Opening the Object Palette Searching for Models in the Object Palette Creating Custom Models 27

3 viii Contents 2.4 Creating Network Topology Creating Network Topology: Adding Nodes Creating Network Topology: Adding Links Creating Network Topology: Deleting Nodes or Links Creating Network Topology: Other Editing Operations The Rapid Configuration Creating Network Topology with Tool 30 the Rapid Configuration Tool Example: Creating Ethernet LAN with the Rapid Configuration Tool Configuring Link Objects Changing Basic Link Properties Verifying Link Connectivity Failing and Recovering Network Elements Subnets Adding a Subnet Object Moving Around the Network Hierarchy Creating a Network Topology with Subnetworks Moving Objects between Subnets Creating Topology Annotation Adding Annotation Palette Object to the Project Workspace Modifying Attributes of Annotation Palette Objects Showing/Hiding Annotation Palette Objects in the Project Workspace Removing Node Clutter 43 Chapter 3 Configuring Network Topology Introduction Object Attributes Types of Attributes The Object Pop-Up Menu The Edit Attributes Dialog Box Accessing Attribute Description Working with Compound and Grouping Attributes Attributes with Multiple Instances Filtering Attributes Finding Attributes Using Regular Edit Attributes Filtering Feature Finding Attributes Using Advanced Edit Attributes Filtering Feature 53

4 Contents ix 3.4 Configuring Object Properties Changing Attribute Values of a Single Object Changing Attribute Values of Multiple Objects Editing Selected Objects Editing Similar Nodes or Links The Model Attribute of an Object Promoting Object Attributes Promoting an Object Attribute Unpromoting an Object Attribute Configuring Promoted Object Attributes at the Simulation Level Specifying Values for Promoted Attributes at the Simulation Level Configuring Promoted Attributes at the Subnet Level Using the Wildcard Option for Assigning Values to Multiple Promoted Attributes 64 Chapter 4 Configuring and Running a Simulation Simulation Statistics in OPNET Statistic Collection Modes Deciding Which Statistics to Collect Selecting Simulation Statistics Choose Results Window Selecting Simulation Statistics for a Single Specific Network Object Selecting Simulation Statistics for the Whole Scenario Selecting Global Simulation Statistics Statistic Information and Data Collection Panes Statistic Draw Styles Statistic Collection Modes Modifying Statistic Collection Properties Configuring and Running a Simulation Configure/Run DES Window: Simple Mode Configure/Run DES Window: Detailed Mode Simulation Sequence Editor Configuring and Executing a Single Simulation Scenario Configuring and Executing Multiple Simulation Scenarios through Manage Scenarios Setting Values for Promoted Attributes Simulation Execution Results Browser Source Pane of the Results Browser 90

5 x Contents Results Pane of the Results Browser Preview and Presentation Panes of the Results Browser Analysis Panels Viewing Simulation Results with the Results Browser Viewing Simulation Results for the Current Scenario Viewing Simulation Results for a Specific Object in the Network Viewing Simulation Results for Scenarios in This and Other Projects Comparing Simulation Results Adding New Statistics to Existing Graphs Finding Top Results Viewing Results with the Time Controller Manipulating Analysis Panels Hiding/Showing Analysis Panels Arranging Analysis Panels Deleting Analysis Panels Converting Panels into Annotation Objects Reloading Analysis Panels with New Results Advanced Analysis Panel Properties Panel Area Pop-Up Menu Graph Area Pop-Up Menu DESLog Discrete Event Simulation Tab Miscellaneous Tab 112 Chapter 5 Standard Applications Modeling Traffic Sources in OPNET Types of Traffic Source Models in OPNET Explicit Traffic Models Background Traffic Models Hybrid Traffic Models Including Applications in a Simulation Model Application Config Utility Object Configuring Standard Applications Description of Standard Applications Database FTP HTTP Print Remote Login 134

6 Contents xi Video Conferencing Voice Using Symbolic Node Names Manually Configuring an Application's Source Preferences Manually Configuring an Application's Destination Preferences Application Statistics 143 Chapter 6 Advanced Traffic Generation Features Introduction to Custom Applications Configuring Tasks and Phases for Custom Applications Task Config Utility Object Specifying Task Definitions Specifying Phase Configurations Summary: Configuring Tasks for Custom Applications Defining Custom Applications in OPNET Example of Configuring Custom Applications in OPNET Explicit Packet Generation Sources Application Demands and Traffic Flows Application Demands Traffic Flow Demands Baseline Loads Custom Application Statistics Statistics for Application and Traffic Demands Statistics for Explicit Packet Generation Sources and Baseline Loads 188 Chapter 7 Specifying User Profiles and Deploying Applications User Profiles Specifying User Profiles Profile Config Utility Object Defining An Example of a Simple Configuring Application Behavior a User Profile 191 User Profile 192 within a Profile Application Behavior Attributes Profile Behavior Attributes Configuring User Profiles Examples of Configuring User Profiles 200

7 xii Contents 7.4 Using the Application Deployment Wizard for Deploying User Profiles Network Tree Browser Panel Application Deployment Hints Panel Dialog Box Controls Panel Application Deployment Operations Panel Deploy Applications Option Edit Destination Preferences Option Edit LAN Configuration Option Clearing Application Deployment Deploying User Profiles without Application Deployment Wizard Configuring Client Nodes Configuring Server Nodes Specifying Destination Preferences Specifying Number of Clients in a LAN Object Specifying the Transport Protocol Used by an Application Common Mistakes in Profile Configuration and Application Deployment 219 Chapter 8 Transport Layer: TCP and UDP Protocols Introduction Supported TCP Features TCP Configuration Attributes Common Transport Layer Statistics 230 Chapter 9 Network Layer: Introduction to the IP Protocol Introduction Basic IP Configuration Attributes Basic IP Configuration Attributes of an End Node Model Basic IP Configuration Attributes of a Core Node Managing IP Addresses IP Addresses and Masks Identifying Names of Interfaces Attached to a Link Common Mistakes in IP Address Configuration Auto-Assignment of IP Addresses Clearing IP Address Assignment Identifying Interface with a Specified IP Address Exporting IP Address Allocation 251

8 Contents xiii 9.4 Configuring Other IP Features IP Compression Basic Configuration of Routing Protocols Configuring Different Types of IP Interfaces Configuring IP Load Balancing Internet Control Message Protocol Specifying Ping Patterns Deploying IP Ping Demands with the ip_ping_traffic Object Deploying IP Ping Demands Using the Protocols Menu Ping Statistics Common IP Statistics, Tables, and Reports IP Statistics Visualization and Configuration Reports Viewing Forwarding and Routing Tables 267 Chapter 10 Advanced IP Protocol Features Network Address Translation (NAT) Overview of NAT Configuring NAT Specifying Address Pools Specifying Translation Rules Deploying Translation Rules on Gateway Interfaces IP Multicast IP Multicast Features Supported in OPNET Overview of Steps for Deploying IP Multicast Traffic Defining Multicast Traffic Configuring Source Nodes Configuring Destination Nodes Configuring Router Nodes Static-RP Mechanism Auto-RP Mechanism Bootstrap Mechanism Other Multicast Configuration Parameters Multicast Statistics and Reports IPv Overview of Supported IPv6 Features IPv6 Addressing Configuring Traffic for IPv6 Networks Other IPv6 Options IPv6 Statistics and Other Performance Evaluation Options 298

9 xjv Contents 10.4 Quality of Service Specifying Global QoS Profiles Committed Access Rate Profiles Custom Queuing Scheduler RED and WRED Configuration FIFO Profiles MWRR/MDRR/DWRR Profiles Priority Queuing Profiles WFQ Profiles Specifying Local QoS Profiles Traffic Classes and Traffic Policies WFQ/DWFQ Profiles Priority Queue Profiles and Custom Queue Profiles MDRR Profiles and DWRR Profiles Policer Profiles RED/WRED Profiles Deploying Defined QoS an Interface Profiles on Closing Remarks QoS-Related Statistics Chapter 11 Network Layer. Routing Introduction Deploying Routing Protocols in a Simulated Network Configuring Routing Protocol Attributes Routing with RIP Introduction to RIP Local RIP Configuration Attributes RIP Interface-Specific Configuration Attributes Configuring RIP Start Time RIP Simulation Efficiency Mode Routing with OSPF Introduction to OSPF OSPF Attributes Configuring OSPF Processes Specifying OSPF Configuration on Router Interfaces Configuring OSPF Configuring Link Costs for OSPF Routing Configuring OSPF Timers Configuring OSPF Areas Configuring OSPF Area Border Routers 346

10 Contents xv Configure the OSPF Start Time OSPF Simulation Efficiency Mode Common Routi ng Statistics Viewing Routing Tables 351 Chapter 12 Data Link and Physical Layers Introduction Deploying and Configuring Simulation Models with Data Link Layer Technologies Link Model Attributes and Statistics Ethernet Token Ring Wireless LANs WLAN Configuration Attributes WLAN Statistics MANET Specifying Node Mobility Defining a Node Trajectory Configuring a Mobility Profile Using the Wireless Deployment Wizard 380 Laboratory Assignment #1: Introduction to OPNET 387 Laboratory Assignment #2: Simple Capacity Planning 395 Laboratory Assignment #3: Introduction to Standard Applications 399 Laboratory Assignment #4: HTTP Performance 405 Laboratory Assignment #5: Modeling Custom Applications 411 Laboratory Assignment #6: Influence of the Maximum Transmission Unit on Application Performance 419 Laboratory Assignment #7: Transport Protocols: TCP versus UDP 425 Laboratory Assignment #8: TCP Features 431 Laboratory Assignment #9: IP Addressing and Network Address Translation 439 Laboratory Assignment #10: Providing Quality of Service Support 447 Laboratory Assignment #11: Routing with RIP 455 Laboratory Assignment #12: Routing with OSPF 459 Laboratory Assignment #13: Ethernet 465 Laboratory Assignment #14: Wireless Communication 473 Index 481