Computer Networking

Chapter 1: Computer Networks and the Internet

• • 1.1 What Is the Internet?
• • 1.1.1 A Nuts-and-Bolts Description
• • 1.1.2 A Services Description
• • 1.1.3 What Is a Protocol?
• • 1.2 The Network Edge
• • 1.2.1 Access Networks
• • 1.2.2 Physical Media
• • 1.3 The Network Core
• • 1.3.1 Packet Switching
• • 1.3.2 Circuit Switching
• • 1.3.3 A Network of Networks
• • 1.4 Delay, Loss, and Throughput in Packet-Switched Networks
• • 1.4.1 Overview of Delay in Packet-Switched Networks
• • 1.4.2 Queuing Delay and Packet Loss
• • 1.4.3 End-to-End Delay
• • 1.4.4 Throughput in Computer Networks
• • 1.5 Protocol Layers and Their Service Models
• • 1.5.1 Layered Architecture
• • 1.5.2 Encapsulation
• • 1.6 Networks Under Attack
• • 1.7 History of Computer Networking and the Internet
• • 1.7.1 The Development of Packet Switching: 1961—1972
• • 1.7.2 Proprietary Networks and Internetworking: 1972—1980
• • 1.7.3 A Proliferation of Networks: 1980—1990
• • 1.7.4 The Internet Explosion: The 1990s
• • 1.7.5 The New Millennium
• • 1.8 Summary
• • Homework Problems and Questions
• • Wireshark Lab

Chapter 2: Application Layer

• • 2.1 Principles of Network Applications
• • 2.1.1 Network Application Architectures
• • 2.1.2 Processes Communicating
• • 2.1.3 Transport Services Available to Applications
• • 2.1.4 Transport Services Provided by the Internet
• • 2.1.5 Application-Layer Protocols
• • 2.1.6 Network Applications Covered in This Book
• • 2.2 The Web and HTTP
• • 2.2.1 Overview of HTTP
• • 2.2.2 Non-Persistent and Persistent Connections
• • 2.2.3 HTTP Message Format
• • 2.2.4 User-Server Interaction: Cookies
• • 2.2.5 Web Caching
• • 2.2.6 HTTP/2
• • 2.3 Electronic Mail in the Internet
• • 2.3.1 SMTP
• • 2.3.2 Mail Message Formats
• • 2.3.3 Mail Access Protocols
• • 2.4 DNS–The Internet’s Directory Service
• • 2.4.1 Services Provided by DNS
• • 2.4.2 Overview of How DNS Works
• • 2.4.3 DNS Records and Messages
• • 2.5 Peer-to-Peer Applications
• • 2.5.1 P2P File Distribution
• • 2.6 Video Streaming and Content Distribution Networks
• • 2.6.1 Internet Video
• • 2.6.2 HTTP Streaming and DASH
• • 2.6.3 Content Distribution Networks
• • 2.6.4 Case Studies: Netflix and YouTube
• • 2.7 Socket Programming: Creating Network Applications
• • 2.7.1 Socket Programming with UDP
• • 2.7.2 Socket Programming with TCP
• • 2.8 Summary
• • Homework Problems and Questions
• • Socket Programming Assignments
• • Wireshark Labs: HTTP, DNS

Chapter 3: Transport Layer

• • 3.1 Introduction and Transport-Layer Services
• • 3.1.1 Relationship Between Transport and Network Layers
• • 3.1.2 Overview of the Transport Layer in the Internet
• • 3.2 Multiplexing and Demultiplexing
• • 3.3 Connectionless Transport: UDP
• • 3.3.1 UDP Segment Structure
• • 3.3.2 UDP Checksum
• • 3.4 Principles of Reliable Data Transfer
• • 3.4.1 Building a Reliable Data Transfer Protocol
• • 3.4.2 Pipelined Reliable Data Transfer Protocols
• • 3.4.3 Go-Back-N (GBN)
• • 3.4.4 Selective Repeat (SR)
• • 3.5 Connection-Oriented Transport: TCP
• • 3.5.1 The TCP Connection
• • 3.5.2 TCP Segment Structure
• • 3.5.3 Round-Trip Time Estimation and Timeout
• • 3.5.4 Reliable Data Transfer
• • 3.5.5 Flow Control
• • 3.5.6 TCP Connection Management
• • 3.6 Principles of Congestion Control
• • 3.6.1 The Causes and the Costs of Congestion
• • 3.6.2 Approaches to Congestion Control
• • 3.7 TCP Congestion Control
• • 3.7.1 Classic TCP congestion Control
• • 3.7.2 Network-Assisted Explicit Congestion Notification and Delay-based Congestion Control
• • 3.7.3 Fairness
• • 3.8 Evolution of transport-layer functionality
• • 3.9 Summary
• • Homework Problems and Questions
• • Programming Assignments
• • Wireshark Labs: Exploring TCP, UDP

Chapter 4: The Network Layer: Data Plane

• • 4.1 Overview of Network Layer
• • 4.1.1 Forwarding and Routing: The Network Data and Control Planes
• • 4.1.2 Network Service Models
• • 4.2 What’s Inside a Router?
• • 4.2.1 Input Port Processing and Destination-Based Forwarding
• • 4.2.2 Switching
• • 4.2.3 Output Port Processing
• • 4.2.4 Where Does Queuing Occur?
• • 4.2.5 Packet Scheduling
• • 4.3 The Internet Protocol (IP): IPv4, Addressing, IPv6, and More
• • 4.3.1 IPv4 Datagram Format
• • 4.3.2 IPv4 Addressing
• • 4.3.3 Network Address Translation (NAT)
• • 4.3.4 IPv6
• • 4.4 Generalized Forwarding and SDN
• • 4.4.1 Match
• • 4.4.2 Action
• • 4.4.3 OpenFlow Examples of Match-plus-action in Action
• • 4.5 Middleboxes
• • 4.6 Summary
• • Homework Problems and Questions
• • Wireshark Lab: IP

Chapter 5: The Network Layer: Control Plane

• • 5.1 Introduction
• • 5.2 Routing Algorithms
• • 5.2.1 The Link-State (LS) Routing Algorithm
• • 5.2.2 The Distance-Vector (DV) Routing Algorithm
• • 5.3 Intra-AS Routing in the Internet: OSPF
• • 5.4 Routing Among the ISPs: BGP
• • 5.4.1 The Role of BGP
• • 5.4.2 Advertising BGP Route Information
• • 5.4.3 Determining the Best Routes
• • 5.4.4 IP-Anycast
• • 5.4.5 Routing Policy
• • 5.4.6 Putting the Pieces Together: Obtaining Internet Presence
• • 5.5 The SDN Control Plane
• • 5.5.1 The SDN Control Plane: SDN Controller and SDN Control Applications
• • 5.5.2 OpenFlow Protocol
• • 5.5.3 Data and Control Plane Interaction: An Example
• • 5.5.4 SDN: Past and Future
• • 5.6 ICMP: The Internet Control Message Protocol
• • 5.7 Network Management, SNMP, and NETCONF/YANG
• • 5.7.1 The Network Management Framework
• • 5.7.2 The Simple Network Management Protocol (SNMP)
• • 5.7.3 NETCONF and YANG
• • 5.8 Summary
• • Homework Problems and Questions
• • Socket Programming Assignment
• • Programming Assignment
• • Wireshark Lab: ICMP

Chapter 6: The Link Layer and LANs

• • 6.1 Introduction to the Link Layer
• • 6.1.1 The Services Provided by the Link Layer
• • 6.1.2 Where Is the Link Layer Implemented?
• • 6.2 Error-Detection and -Correction Techniques
• • 6.2.1 Parity Checks
• • 6.2.2 Checksumming Methods
• • 6.2.3 Cyclic Redundancy Check (CRC)
• • 6.3 Multiple Access Links and Protocols
• • 6.3.1 Channel Partitioning Protocols
• • 6.3.2 Random Access Protocols
• • 6.3.3 Taking-Turns Protocols
• • 6.3.4 DOCSIS: The Link-Layer Protocol for Cable Internet Access
• • 6.4 Switched Local Area Networks
• • 6.4.1 Link-Layer Addressing and ARP
• • 6.4.2 Ethernet
• • 6.4.3 Link-Layer Switches
• • 6.4.4 Virtual Local Area Networks (VLANs)
• • 6.5 Link Virtualization: A Network as a Link Layer
• • 6.5.1 Multiprotocol Label Switching (MPLS)
• • 6.6 Data Center Networking
• • 6.6.1 Data Center Architectures
• • 6.6.2 Trends in Data Center Networking
• • 6.7 Retrospective: A Day in the Life of a Web Page Request
• • 6.7.1 Getting Started: DHCP, UDP, IP, and Ethernet
• • 6.7.2 Still Getting Started: DNS and ARP
• • 6.7.3 Still Getting Started: Intra-Domain Routing to the DNS Server
• • 6.7.4 Web Client-Server Interaction: TCP and HTTP
• • 6.8 Summary
• • Homework Problems and Questions
• • Wireshark Labs: Ethernet and Home Networking

Chapter 7: Wireless and Mobile Networks

• • 7.1 Introduction
• • 7.2 Wireless Links and Network Characteristics
• • 7.2.1 CDMA
• • 7.3 Wireless LANs
• • 7.3.1 The 802.11 Architecture
• • 7.3.2 The 802.11 MAC Protocol
• • 7.3.3 The IEEE 802.11 Frame
• • 7.3.4 Mobility in the Same IP Subnet
• • 7.3.5 Advanced Features in 802.11
• • 7.3.6 Bluetooth
• • 7.4 Cellular Networks: 4G and 5G
• • 7.4.1 4G LTE Cellular Networks: Architecture and Elements
• • 7.4.2 LTE Protocol Stacks
• • 7.4.3 LTE Radio Access Network
• • 7.4.4 LTE Network Attachment and Power Management
• • 7.4.5 The Global Cellular Network: a Network of Networks
• • 7.4.6 5G Cellular Networks
• • 7.5 Mobility Management: Principles
• • 7.5.1 Device Mobility: a Network-layer Perspective
• • 7.5.2 Home Networks and Roaming on Visited Networks
• • 7.5.3 Direct and Indirect Routing to/from a Mobile Device
• • 7.6 Mobile Management in Practice
• • 7.6.1 Mobility Management in 4G/5G Networks
• • 7.6.2 Mobile IP
• • 7.7 Wireless and Mobility: Impact on Higher-Layer Protocols
• • 7.8 Summary
• • Homework Problems and Questions
• • Wireshark Lab: 802.11

Chapter 8: Security in Computer Networks

• • 8.1 What Is Network Security?
• • 8.2 Principles of Cryptography
• • 8.2.1 Symmetric Key Cryptography
• • 8.2.2 Public Key Encryption
• • 8.3 Message Integrity and Digital Signatures
• • 8.3.1 Cryptographic Hash Functions
• • 8.3.2 Message Authentication Code
• • 8.3.3 Digital Signatures
• • 8.4 End-Point Authentication
• • 8.4.1 Building an Authentication Protocol
• • 8.5 Securing E-Mail
• • 8.5.1 Secure E-Mail
• • 8.5.2 PGP
• • 8.6 Securing TCP Connections: SSL
• • 8.6.1 The Big Picture
• • 8.6.2 A More Complete Picture
• • 8.7 Network-Layer Security: IPsec and Virtual Private Networks
• • 8.7.1 IPsec and Virtual Private Networks (VPNs)
• • 8.7.2 The AH and ESP Protocols
• • 8.7.3 Security Associations
• • 8.7.4 The IPsec Datagram
• • 8.7.5 IKE: Key Management in IPsec
• • 8.8 Securing Wireless LANs and 4G/5G Cellular Networks
• • 8.8.1 Authentication and Key Agreement in 802.11 Wireless LANs
• • 8.8.2 Authentication and Key Agreement in 4G/5G Cellular Networks
• • 8.9 Operational Security: Firewalls and Intrusion Detection Systems
• • 8.9.1 Firewalls
• • 8.9.2 Intrusion Detection Systems
• • 8.10 Summary
• • Homework Problems and Questions
• • Wireshark Lab: SSL
• • IPsec Lab