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中文摘要：
为了在多层网络中提供区分业务的差异化服务,避免发生故障后上下层生存性策略冲突,应用段保护机制,基于GMPLS控制平面,提出业务驱动的跨层生存性策略。该策略应用基于传输质量（QoT）的再生节点配置机制在网络中提供区分业务的差异化服务、基于再生节点的段保护机制保证网络生存性以及基于GMPLS控制平面的跨层路由映射机制,避免资源重复分配和生存性策略冲突。仿真结果表明,该策略不仅具有区分业务提供差异化服务的能力,而且能够提高网络生存性,优化网络资源。
英文摘要：
A serviced-oriented cross-layer survivability strategy is proposed based on GMPLS control plane（SCSG）.The strategy provides the differentiated services are implemented by using regeneration node configuration scheme based on quality of transmission（QoT）.The network survivability is guaranteed by using segment protection scheme based on regeneration node.The duplication of resource assignment and conflict of interlayer survivability strategy are avoided by using cross-layer route mapping based on GMPLS control plane.The results show that the proposed survivability strategy not only can provide differentiated services,but also can improve network survivability and resource utilization.
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