Voice Over IP

MAKING THE INTERNET LOOK LIKE THE TELEPHONE NETWORK

It is clear from the AT&T study that applications' requirements vary, and these variances occur not just between voice, video and data applications, but within these applications as well.

One cannot simply say, "The Internet should change to support voice, video, and data." Instead, we must say, "The Internet should change to support different types of voice systems, different types of video systems, and different types of data systems."

In other words, the challenge is to make the Internet behave more like a telephone network and a CATV system, yet retain its characteristics to support data. And that is precisely what we will turn our attention to for the remainder of this book with regards ...