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Network innovation and business transformation are both necessary for telecom operators to adapt to new situations,but operatorsface challenges in terms of network bearer complexity,business centralization,and IT/CT integration.Network function virtualiza-tion(NFV)may inspire new development ideas,but many doubts still exist within industry,especially about how to introduceNFV into an operator’s network.This article describes the latest progress in NFV standardization,NFV requirements and hottechnology issues,and typical NFV applications in an operator networks.
Network innovation and business transformation are both necessary for telecom operators to adapt to new situations, but operators face challenges in terms of network bearer complexity, business centralization, and IT / CT integration. Network function virtualiza-tion (NFV) may inspire new development ideas, but many doubts still exist within industry, especially about how to introduceNFV into an operator’s network.This article describes the latest progress in NFV standardization, NFV requirements and hottechnology issues, and typical NFV applications in an operator networks.