Introduction to Computer Networks
History of TCP/IP, TCP Applications and Services, Performance Study of TCP/IP, earning of TCP Performance? TCP, TCP Services , Header Format, Encapsulation in IP, Acknowledgment Mechanism, Retransmission Mechanism, Connection Establishment and Termination, Control and Sliding Window, Congestion Control ,UDP ,UDP Services, Header Format ,Encapsulation in IP,IP Services, Fragmentation and Reassembly , Header Format and IP Version 6, Reasons for Network Measurement, Measurement Tasks, Classification of Measurement Tools, Popular Measurement Tools and Their Applications, Tcpdump, Tcpstat, Ttcp & Netperf. Distributed Benchmark System.
TCP/IP Network Simulation and TCP Modeling
The Role of Simulation, Steps of a Systematic Simulation Study, Types of Simulations, Continuous versus Discrete Event, Terminating versus Steady State, Synthetic versus Trace Driven Simulation, Simulation Validation and Verification, Confidence Level of Simulation Results, Confidence Level Formula, Terminating Simulation, Steady-State Simulation, Common Simulation Mistakes, Simulation with Self-Similar Traffic Network Simulators: Model Construction and Parameter Setting Data Collection, Simulation Execution, Presentation of Results and Examples of TCP/IP Simulation. Motivation for Mathematical. Modeling of TCP, Essentials of TCP Modeling, Window Dynamics Packet-Loss Process, Gallery of TCP Models, Periodic Model, Detailed Packet Loss Model, Stochastic Model with General Loss Process, Control System Model and Network System Model.
TCP/IP Performance over Wireless Networks & TCP/IP Performance over Mobile Networks & Optical Networks Layer
Wireless Networks: Generic Characteristics, Wireless Local Area Networks and Cellular Communications Networks. TCP Performance Issues over Wireless Links, Inappropriate Reduction of Congestion Window, Throughput Loss in WLANs and Throughput Loss in Cellular Communication Systems. Improving TCP Performance over Wireless Links: Splitting TCP Connections, Snooping TCP at Base Stations, Notifying the Causes of Packet Loss, Adding Selective Acknowledgments to TCP and Comparison of Enhancement Schemes. Wireless System Evolution and TCP/IP: Trends in Cellular Communication Systems, Trends in Wireless LAN Systems, TCP/IP over Heterogeneous Wireless systems.
Cellular and Ad Hoc Networks: TCP Performance in Cellular Networks, Mobile IP, Impact of Mobility on TCP Performance, Approaches to Improve TCP Performance, TCP Performance in Ad Hoc Networks, Dynamic Source Routing, Impact of Mobility on TCP Performance, Approaches to Improve TCP Performance. Evolution of Optical Networks, IP over DWDM, Multiprotocol Label Switching, Multiprotocol Lambda Switching, Optical Burst Switching, Optical Packet Switching: Optical Packet Format, Congestion Resolution in Optical Packet Switches, Performance of TCP/IP over Optical Networks, Optical Packet Network End-to-End Performance, Mapping of TCP in Optical Packets, Optical Packet Design in the TCP/IP Environment.
TCP/IP Performance over Satellite Networks & TCP/IP Performance over Asymmetric Networks
A Brief History of Data Satellites, Motivations for Using Satellites, Types of Satellites Satellite Internet Architectures, Satellite Characteristics Affecting TCP: Long Feedback Loop, Link Impairment, Bandwidth-Delay Product, Bandwidth Asymmetry, Variable Delays, LEO Handoff Spectral Congestion, Security. TCP Enhancements for Satellite Networks: Path MTU Discovery, TCP for Transactions, Window Scaling, Large Initial Window, Byte Counting, Delayed ACKs after Slow Start, Explicit Congestion Notification, Multiple Connections, Pacing TCP Segments, TCP/IP Header Compression, and Security Issues Conclusions for TCP Enhancements. Advanced Enhancements and New Versions of TCP: Quick-Start TCP, High Speed TCP ,TCP Peach, Explicit Transport Error Notification TCP Westwood and XCP .New Transport Protocols for Satellite Links: Satellite Transport Protocol, Space Communications Protocol Specifications-Transport Protocol. Types of Network Asymmetry: Bandwidth Asymmetry, Media-Access Asymmetry, Loss Rate. Asymmetry Impact of Asymmetry on TCP performance: Bandwidth Asymmetry, Media Access Asymmetry. Improving TCP Performance over Asymmetric Networks: Uplink Bandwidth Management Handling Infrequent ACK. Experimental Evaluation Of Performance Improvement Techniques Experiments with Bandwidth Asymmetry, Experiments with Media Access Asymmetry
TCP/IP Performance over Asymmetric Networks & New TCP Standards and Flavors
Types of Network Asymmetry: Bandwidth Asymmetry, Media-Access Asymmetry, Loss Rate. Asymmetry Impact of Asymmetry on TCP Performance: Bandwidth Asymmetry, Media Access Asymmetry. Improving TCP Performance over Asymmetric Networks: KS: Uplink Bandwidth Management Handling Infrequent ACK. Experimental Evaluation of Performance Improvement Techniques Experiments with Bandwidth Asymmetry, Experiments with Media Access Asymmetry. Duplicate Acknowledgments and Fast Retransmit, Fast Recovery and TCP Reno, TCP New Reno, TCP with Selective Acknowledgments, Forward Acknowledgments, TCP Vegas ,Overview of Other Features and Options and Performance Comparison of TCP Flavors.
Course Outcome (CO):
At the end of this course, the students will be able to
CO1: Understand the terminology and concepts of TCP-IP reference model and IPV6 message format and its services.
CO2: Acquire the concepts of protocols, network interfaces, and design/performance issues in Local Area Networks and wide area networks.
CO3: Analyze the difference between wireless networks and satellite network.
CO4: Evaluate the performance of TCP/IP over asymmetric networks
Question paper pattern:
Text Books:
1. High Performance TCP/IP: Networking Concepts, Issues, and Solutions, Mahbub Hassan and Raj Jain, IST Edition, 2009 PHI Learning Chapters 1,2,3,4,5,6,7,8,9,10,11,12,13 ( excluding those topics which are not in the syllabus )
Reference Books:
1. TCP/IP Illustrated (Volume I, Volume II and Volume III), W. Richard Stevens, Addison-Wesley