Look here when Chapter 1 of the book mentions something extra to be found on the web site.
Depictions of real backbone segemnts:
small (PSInet)
larger (InternetMCI)
bad boy (UUNet)
Packet Tracers:
Go to
network-tools.com for several cool internet utilities, including a packet tracer.
Networking Technologies:
Lantronix.com has a concise Ethernet and LAN overview.
Packet Encapsulation:
Here is a look at how packet headers are "nested" as packets bounce up and down the Internet protocol stack.
Web Server Statistics:
The statistics mentioned in the book came from
Netcraft.com. Have they changed much since we wrote the book?
Examples of JavaScript Client-side Utilities:
Here is a simple
JavaScript Calculator.