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随着城域光网络技术和传输设备的快速发展,承载业务已经显得力不从心的第一代的SDH网络将逐步被新一代的承载网取代。探讨哈尔滨网通城域传输网组网技术选择及发展策略。
With the rapid development of optical network technology and transmission equipment in the metropolitan area, the first-generation SDH networks that bear the burden of carrying services will gradually be replaced by the new generation of bearer networks. Probe into the Technology Selection and Development Tactics of Harbin Netcom Metropolitan Transmission Network.