(Downloads - 0)
For more info about our services contact : help@bestpfe.com
Table of contents
1. Introduction
1.1 Motivation
1.2 Problem Statement
1.3 Objectives
1.4 Contribution
1.5 Organization of Report
2. Literature Review
2.1 VoIP Protocol Suite
2.1.1 Audio and Video Encoding/Decoding
2.1.2 Call Set-up Maintenance and Tear-down
2.1.3 Media Transport
2.1.4 Gateway Control
2.2 Session Initiation Protocol (SIP)
2.2.1 User Registration
2.2.2 Call Setup and termination
2.3 Open Source SIP Servers
2.3.1 Asterisk
2.3.2 OpenSIPS
2.4 Quality of Service (QoS)
2.5 Requirement Specification
2.5.1 Sending and receiving data
2.5.2 Controlling the payload
2.5.3 Support for IPv6
2.5.4 Adding Application Level Security
2.5.5 Emulation of a large number of SIP users for Stress Testing
2.5.6 Modular Design for Multicore
2.6 State of the art IP Traffic Generators
2.6.1 pktgen the Linux Packet Generator
2.6.2 Multi-Generator (MGEN)
2.6.3 SIPp
2.6.4 Netperf
2.6.5 Harpoon: A Flow-level Traffic Generator
2.6.6 Ostinato Traffic Generator and Analyzer
2.6.7 Iperf
3. Methodology
3.1 Literature Review
3.2 Requirement Analysis
3.3 Designing and Implementation
3.4 Testing
3.5 Results Presentation
4. Design and Implementation of a customized traffic generator
4.1 Design of SQgen
4.2 SIP Traffic Generator(STG) Module
4.2.1 Sender
4.2.2 Receiver
4.3 Results Presentation Module (RPM)
4.3.1 Time-stamping
4.3.2 Packet Capturing and Parameters for Parsing
4.3.3 Pseudo Algorithm and Block Diagram
5. Experimental Set-up
5.1 Test Scenarios
5.2 System specifications
6. Experimental Evaluation
6.1 Test Cases
6.1.1 Test Cases in Scenario 1
6.1.2 Test Case Scenario 2
6.2 Results
6.2.1 Delay and Packet Loss Specification
6.2.2 REGISTER Delay Scenario 1
6.2.3 REGISTER Delay Scenario 2
6.2.4 INVITE Delay Scenario 1
6.2.5 INVITE Delay Scenario 2
6.2.6 Call Setup Delay Scenario 1
6.2.7 Call Setup Delay Scenario 2
6.2.8 Packet Loss Scenario 1 and 2
6.3 Packet Loss Analysis
6.3.1 SIP Frame Sizes
6.3.2 Ethernet Link to the Server
6.3.3 Wireless Link to Sender and Receiver
6.3.4 Wireless Background Noise
6.3.5 NIC Buffer Limitation
7 Conclusions and Future Work
7.1 Conclusions
7.2 Open Issues and Future Work
7.3 Social and Ethical Aspects
7.4 Economic and Environmental Aspects
7.5 Ecologically Sustainable Development
8 References
Appendices
Appendix 1: List of Other Traffic Generators
Appendix 2: A Sample of Wireshark Packet Summaries
Appendix 3: A Sample of Timestamps recorded for 100 SIP Sessions Experiment
