Anywhere Computing with Laptops: Making Mobile Easier

Sharing a Connection Through a Computer

It's sometimes very useful to share your computer's existing Internet connection with another computer, particularly when you are using ad hoc wireless networking.

For example, consider the following scenario: You and a colleague are working to put together a presentation for an important meeting. You have traveled to a strange city to see an important client. Your hotel room has an Ethernet wired connection to the Internet. But your mobile computer does not have a network interface card. Fortunately, your colleague's mobile computer does—and both of you are using Intel Centrino laptops.

Your colleague connects to the Internet and creates an ad hoc wireless network. He shares his connection to the Internet. ...