Data Communication and Computer Networks

DNS – The Internet’s Directory Service

Electronic Mail in the Internet

File Transfer: FTP

Web Caches

The Conditional GET

User-Server Interaction: Authentication and Cookies

HTTP Message Format

Non-Persistent and Persistent Connections

The World Wide Web: HTTP

Asynchronous Transfer Mode (ATM) Networks

Internet Backbones, NAPs and ISPs

The Network Edge

Protocol Layers and Their Service Models

Delay, Loss, and Throughput in Packet-Switched Networks

Softswitch & Application Servers

IP Multimedia Subsystem (IMS)