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建设一个以大容量光纤传输网络为主体,以宽带多业务交换网为核心,以多元化综合接入为基础,支持端到端话音、数据、多媒体等各类增值业务的城域综合业务接入网已成为接入网发展的趋势。分析了城域综合业务接入网的业务需求,提出了城域综合业务接入网的主要结构和城域传输网的组织方式。
A metropolitan area integrated service access based on large-capacity optical fiber transmission network, broadband multi-service switching network as the core, diversified integrated access and various value-added services such as end-to-end voice, data and multimedia Network has become the development trend of access network. Analyzed the service demand of metropolitan area integrated service access network, proposed the main structure of metropolitan area integrated service access network and the organization way of metropolitan area transport network.