README.md

✍🏼 Notes: Computer Networking: A Top-down Approach

This repository includes notes for "Computer Networking: A Top-down Approach," 8th Edition by James F. Kurose and Keith W. Ross, created for the course ENPM694: Networks and Protocols-Fall 2023 at the University of Maryland, College Park.

Chapter 1: Computer Networking and the Internet

• 1.1 A Nuts-and-Bolts Description (Infrastructure based Internet)

• 1.2 A Services Description (Service based Internet)

• 1.3 The Network Edge

• 1.4 Access Networks

  • 1.4.1 Home Access: DSL

  • 1.4.2 Home Access: Cable

  • 1.4.3 Home Access: FTTH

  • 1.4.4 Home Access: 5G Fixed Wireless

  • 1.4.5 Enterprise & Home Access: Ethernet, WiFi

• 1.5 Physical Media

• 1.6 Packet Switching (Store-and-Forward Transmission)

• 1.7 Circuit Switching

• 1.8 Networks of Networks

• 1.9 Delay, Loss, Throughput

• 1.10 Throughput

• 1.11 Protocol Layers

• 1.12 Networks Under Attack

Chapter 2: Aplication Layer

• 2.1 Principle of Network Applications

• 2.2 Transport Services (TCP & UDP)

• 2.3 Application Layer Protocol: Web and HTTP

  • 2.3.1 Non-Persistent and Persistent Connections

  • 2.3.2 HTTP Message Format

  • 2.3.3 Cookies

  • 2.3.4 Web Caching

  • 2.3.4 HTTP/2

• 2.4 Application Layer Protocol: SMTP

  • 2.4.1 Email Components

  • 2.4.2 SMTP Basics

  • 2.4.3 Mail Message Structure

  • 2.4.4 Mail Access Protocols

• 2.5 Application Layer Protocol: DNS

  • 2.5.1 How DNS Works: High-Level Overview

  • 2.5.2 Distributed, Hierarchical Database

  • 2.5.3 Recursive vs Iterative DNS Queries

  • 2.5.4 DNS Records & Messages

  • 2.5.5 Inserting Records to DNS Database

Chapter 3: Transport Layer

• 3.1 Transport-Layer Services

• 3.2 Multiplexing and Demultiplexing

• 3.3 Connectionless Multiplexing and Demultiplexing

• 3.4 Connection-Oriented Multiplexing and Demultiplexing

• 3.5 UDP (User Datagram Protocol)

• 3.6 Building Reliable Data Transfer Protocol

  • 3.6.1 RDT 1.0

  • 3.6.2 RDT 2.0

  • 3.6.3 RDT 2.1

  • 3.6.4 RDT 3.0

  • 3.6.5 Go-Back-N (GBN)

  • 3.6.6 Selective Repeat (SR)

  • 3.6.7 Improvements in RDT Protocols

• 3.7 TCP (Transmission Control Protocol)

  • 3.7.1 Round-Trip Time Estimation and Timeout in TCP

  • 3.7.2 Reliable Data Transfer

  • 3.7.3 Flow Control

  • 3.7.4 TCP Connection Management

• 3.8 Congestion Control

  • 3.8.1 Classic TCP Congestion Control

• 3.9 Network Assisted Congestions

  • 3.9.1 Explicit Congestion Notification

  • 3.9.2 Delay based Congestion Control

• 3.10 Evolution of Transport Layer Functionality

Chapter 4: Network Layer (Data Plane)

• 4.1 Overview

• 4.2 Router Architecture

  • 4.2.1 Input Port Processing and Destination-Based Forwarding

  • 4.2.2 Switching Fabric in Router Architecture

  • 4.2.3 Output Port Processing

  • 4.2.4 Packet Scheduling

• 4.3. IP Addressing

  • 4.3.1 IPv4

  • 4.3.2 CIDR (Classless Interdomain Routing)

  • 4.3.3 Dynamic Host Configuration Protocol (DHCP)

  • 4.3.4 Network Address Translation (NAT)

  • 4.3.5 IPv6

Chapter 5: Network Layer (Control Plane)

• 5.1 Routing Algorithms

• 5.2 Intra-AS Routing: OSPF

  • 5.2.1 OSPF (Open Shortest Path First)

  • 5.2.2 OSPF Features and Advancements

• 5.3 Inter-AS Routing: BGP

  • 5.3.1 BGP Responsibilities

  • 5.3.2 Hot Potato Routing in BGP

  • 5.3.3 IP Anycast in BGP

• 5.4 ICMP (Internet Control Message Protocol)

• 5.5 Network Management

  • 5.5.1 Network Management Components

  • 5.5.2 SNMPv3 Message Types

  • 5.5.3 NETCONF/YANG

Chapter 6: Link Layer and LANs

• 6.1 Link Layer

• 6.2 Error Detection & 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 (Controlled Access)

• 6.4 Link Layer Addressing

  • 6.4.1 Media Access Control (MAC) Addresses
  • 6.4.2 Address Resolution Protocol (ARP)
  • 6.4.3 Ethernet Frame Structure

• 6.5 Link Layer Switches

• 6.6 Virtual Local Area Networks (VLANs)

• 6.7 Multiprotocol Label Switching (MPLS)