The TCP/IP (Implementations, Protocols, Applications) class is a good basis for anybody who develops embedded devices that require TCP/IP access.
The class contains 181 slides packed with detailed and useful information on TCP/IP and related topics, including:

• The history of the Internet
• Intellectual Property
• The ISO/OSI 7-layer Reference Model
• The TCP/IP 5-layer Reference Model
• The Hardware Layer - with information on RS232, IrDA, Ethernet, Bluetooth
• The Network Interface Layer - SLIP, PPP, Packet formats, Ethernet addressing, bridges
• The Internet Network Layer including:
• Internet Routing algorithms
• Internet Protocol Packet Transmission
• Internet Addressing
• Subnetworks
• IPv6
• Address Resolution Protocol
• Gateways and Routers
• Domain Names
• Domain Name Resolution
• The Internet Transport Layer including:
• Ports and Protocols
• UDP and TCP
• TCP Connections
• Diagnostic Internet Applications
• Telnet
• Email including MIME format
• SMTP and POP3
• File transfer protocols
• FTP Data Connections
• HTTP
• HTTP Message Format and connections
• HTML Baics, including character sets
• Server Side Includes
• Java Applets with an example
• Java API Overview
• Audio and Video Streaming
• RTP Control Protocol
• Sockets and Socket connections
• Sockets client and server examples
• Firewalls, Bastion hosts and Proxy services
• Cryptography history and implementation
• Public Key Cryptography
• RSA Security
• PGP (Pretty Good Privacy)
• Sending and receive Email messages
• Retrieving files from a web server