Computers as Components, 2nd Edition

434 CHAPTER 8 Networks

SUMMARY

We often need or want to build an embedded system out of a network of con-

nected processors. The uses of distributed embedded systems vary greatly, ranging

from the real-time networks in an automobile to Internet-enabled information

appliances. There are a great many networks that we can choose from to build

embedded systems based on constraints of cost, overall throughput, and real-time

behavior.

What We Learned

■ Distributed embedded systems often make sense for cost, performance, and

physical reasons.

■ The OSI layer model breaks down the structure of a network into seven layers.

■ A large number of networks,many with ...