Description: This chapter will discuss the basic concepts of wide-area network, wide area network, including two types of services provided- Datagram and virtual circuit. Packet forwarding and then to be discussed, namely, network nodes exchange how do I know which path through the (path) data can be transmitted to the host to the purpose of communication. This will be made to find. Discussed in this chapter only to find to express a simple process, and to express is how to set up the discussion in the next chapter. Finally, three types of wide area network, or X.25 networks, frame relay network and the use of ATM wide area network technology.
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第4版(2003)的Ch5-广域网.doc
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