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Computer Networking
Study computer networking from the top down, beginning with network foundations and progressing through the application, transport, network, and link layers to understand Internet protocols, reliable transfer, routing, and LAN communication.
Table of Contents
Chapter 1: Network Foundations
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1.1 The Internet: Hosts, Links, ISPs, and Protocols•
1.2 Packet Switching: Store-and-Forward Transmission and Forwarding•
1.3 Network Performance: Delay, Queues, Packet Loss, and Throughput•
1.4 Protocol Layers: TCP/IP, the OSI Reference Model, and Encapsulation•
1.5 Exploring Network Paths with traceroute•
1.6 Network Security Foundations: Malware, Denial of Service, Spoofing, and TrustChapter 2: Application Layer
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2.1 Network Applications: Architectures, Processes, Sockets, and Transport Requirements•
2.2 HTTP: Requests, Responses, Methods, and Status Codes•
2.3 Cookies and Sessions: Maintaining Application State•
2.4 Email: SMTP, Message Format, POP3, and IMAP•
2.5 DNS: Hierarchy, Resolution, Records, and Caching•
2.6 P2P File Distribution and BitTorrent•
2.7 Video Streaming, Buffering, DASH, and CDNs•
2.8 Socket Programming Foundations: Bytes, Encoding, and Network Byte Order•
2.9 Building TCP and UDP Client-Server ApplicationsChapter 3: Transport Layer
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3.1 Transport Services, Multiplexing, and Demultiplexing•
3.2 UDP: Datagrams, Headers, and Checksums•
3.3 Building Reliable Transfer: rdt 1.0, 2.0, 2.1, and 2.2•
3.4 Handling Packet Loss: rdt 3.0 and Stop-and-Wait•
3.5 Pipelining, Sliding Windows, and Bandwidth-Delay Product•
3.6 Go-Back-N•
3.7 Selective Repeat•
3.8 TCP: Byte Streams, Segment Structure, Sequence Numbers, and Acknowledgments•
3.9 TCP Reliability: RTT Estimation, Timeouts, and Fast Retransmit•
3.10 TCP Connection Management: Establishment, Closing, and Connection States•
3.11 Flow and Congestion Control: Windows, Slow Start, and Congestion AvoidanceChapter 4: Network Layer
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4.1 Network-Layer Services: Forwarding, Routing, Data and Control Planes, and SDN•
4.2 IPv4 Datagrams: Headers, TTL, MTU, and Fragmentation•
4.3 IPv4 Addressing, Subnet Masks, and CIDR•
4.4 Forwarding Tables: Longest-Prefix Matching and Route Aggregation•
4.5 Address Configuration and Translation: DHCP and NAT•
4.6 ICMP, ping, and How traceroute Works•
4.7 IPv6 Addressing, Datagrams, and Coexistence with IPv4•
4.8 Link-State Routing and Dijkstra's Algorithm•
4.9 Distance-Vector Routing, Bellman-Ford, and Convergence Problems•
4.10 Internet Routing: Autonomous Systems, OSPF, and BGP FundamentalsChapter 5: Link Layer
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5.1 Link-Layer Services, Frames, and Physical Transmission Fundamentals•
5.2 Error Detection and Correction: Parity and Two-Dimensional Parity•
5.3 Cyclic Redundancy Checks•
5.4 Multiple Access: Channel Partitioning, Random Access, and Taking Turns•
5.5 Ethernet: Frames, Shared-Medium History, and Modern Full-Duplex Links•
5.6 MAC Addressing and ARP•
5.7 Ethernet Switches: Learning, Flooding, Forwarding, and VLAN Fundamentals•
5.8 Wireless LANs: Wi-Fi, CSMA/CA, and Hidden Terminals•
5.9 Putting It Together: The Complete Journey of a Web RequestSUITABLE AUDIENCE
Programmers and computer science students with basic programming, binary and hexadecimal notation, and command-line skills who want a systematic understanding of Internet communication.