: How routers determine paths and how packets are handled at each hop.
: The book is known for using numerous diagrams and "packet walk" examples to visualize how headers change as data moves through different layers. Target Audience
: In-depth breakdowns of essential protocols including: IP (IPv4 and IPv6) : Addressing, routing, and fragmentation.
: Connection establishment (three-way handshake), flow control, and error recovery. Supporting Protocols : ICMP, ARP, DNS, DHCP, and SNMP.