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DWDM Network Designs and Engineering Solutions by Tony Antony, Ashwin Gumaste

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Chapter 8. Future WDM Networks and Technologies

As networks gradually migrate from legacy SONET to WDM and from circuit- to packet-switched networks, the showcased technologies that underline these networks is changing. Newer technologies are far more efficient in transporting bits across dark fiber with minimum error and maximum flexibility.

In this chapter, we will discuss some of the new technologies, especially from the net-working perspective, that facilitate seamless communication across the fiber. So far, we have only dealt with optical circuit or lightpath-switched networks and have not focused on optical packet-switched networks. In this chapter, we shall to some extent deal with optical packet-like networks as well as technologies that ...

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