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Chapter 10
Evolving MAN/WAN
Technologies
is chapter continues the survey of telecom and networking technologies that are applicable to
enterprise environments, by focusing on metropolitan area networks (MANs) and briefly on wide
area networks (WANs). We briefly discussed MANs in the previous chapter, but did so from a
metro Ethernet perspective; the discussion here is more general. Networking is part of the technol-
ogy architecture that defines the infrastructure resources of an enterprise. Some of the technolo-
gies described here are applicable to service providers. However, savvy enterprise architects can
also put these networking technologies ...