(Since the mid-1990s, the Internet has entered a period of rapid development with exponential growth. Broadband transmission and access to the network have become a burning need, and broadband IP networks have become a hot spot that people pay attention to. This article briefly discusses and compares three broadband networking technologies, IPoverATM, IPoverSDH, and IPoverDWDM, and makes assumptions about the future development trend of backbone networks.
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