Network Overview
Internet Basics
IP - Datagrams
  TCP - UDP
  Application Layer
Ports
Java Networking
URL
  Demo 1
Read From URL
  Demo 2
InetAddress
  Demo 3   Demo 4
Sockets
  Demo 5
Client-Server
RMI
Exercises

This chapter gives an overview of networking and Java resources for network applications.

• Network Overview - discusses the layered architecture of networks
  
• Internet Basics - shows how packets travel from node to node until reaching their destination.
  
• IP - Datagrams - the low level data packets into which messages are broken up.
  
  • TCP - UDP - the higher level networking layers that build packets back into their original messages.
    
  • Application Layer - includes the familiar programs such as browsers and ftp.
    
• Ports - provide access points provided by operating systems that allow programs to communicate over the network with programs running on those platforms.
  
• Java Networking - classes, methods, & techniques in Java for using the network.
  
• URL - class that represents an internet web address.
• Read file from a URL - obtain a stream to read a file via the URL.
  
• InetAddress - class that represents an IP address and also provides several static methods for obtaining IP & hostname info.
  
• Sockets - connections programs make to communicate with other programs on the network via the internet protocols.
  
• Client-Server - network program architecture in which a server program provides data, files, etc. to client programs running on other computers on the network.
• RMI - a brief overview
• Exercises
  
  

Latest update: Dec. 8, 2004