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下一代网是市场需求和业务需求推动的,将是一个以商业运营为其主要目的的网络,完全不同于没有明确商业目标的Internet。探讨了下一代电信业务网,说明目前研究比较多和深入的是下一代基于会话的电信业务网。指明软交换机是PSTN电话向分组语音电话过渡和演进过程中的初级阶段的一种产品,而IMSbase的多媒体会话业务体系是中级阶段。论述了NGN与IPv6。阐明下一代网机遇与挑战并存。
Next-generation networks are driven by market needs and business needs, and will be a network whose primary purpose is business operations, completely different from the Internet without a clear business goal. The next generation of telecom service network is discussed, which shows that the current research is more and deeper into the next generation of telecom service network based on session. Indicating that a soft switch is a product of the early stages in the transition and evolution of PSTN telephones to packetized voice telephony while IMSbase’s multimedia session business system is an intermediate stage. Discusses NGN and IPv6. Clarify the opportunities and challenges of next generation network.