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公开(公告)号：US5706276A
公开(公告)日：1998-01-06
申请号：US435030
申请日：1995-05-04
CPC分类号： H04Q3/0079 , H04Q2213/13521 , H04Q2213/13535 , H04Q2213/13565
摘要： Difficulties with prior disrupted communications restoration systems are overcome by employing for each node of a communications network a restoration processor in which predetermined functions of the restoration process are managed by respective ones of a plurality of manager modules. The manager modules are arranged to be directly interconnected only with a so-called restoration manager that coordinates the operations of the modules and provides for their interconnection needs. In a preferred embodiment, four manager modules, a) a user interface manager module, b) a digital cross-connect system (DCS) manager module, c) a distributed communications manager module and d) a core algorithm manager module, are interconnected and coordinated by the restoration manager. Additional robustness to the restoration process is provided by way of enhancements to the functionality of the core algorithm manager module. These enhancements include: a) improved glare processing (resolution of contention for a particular resource), b) "broadcast" of takedown messages, c) elimination of the need for time-outs during automatic restoration, d) a "peek ahead" routine that immediately takes down a needed resource that is already on a list to be taken down, e) use of a "minimax factor" and f) a "quick fix" technique for use in cases of limited failure of circuits between two nodes. The restoration process can also be cascaded so that it sequentially restores one level at a time, the levels being defined by the hierarchy of digital transmission rates employed in the network.
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公开(公告)号：US5444693A
公开(公告)日：1995-08-22
申请号：US874773
申请日：1992-04-27
CPC分类号： H04Q3/0079 , H04Q2213/13521 , H04Q2213/13535 , H04Q2213/13565
摘要： Difficulties with prior disrupted communications restoration systems are overcome by employing for each node of a communications network a restoration processor in which predetermined functions of the restoration process are managed by respective ones of a plurality of manager modules. The manager modules are arranged to be directly interconnected only with a so-called restoration manager that coordinates the operations of the modules and provides for their interconnection needs. In a preferred embodiment, four manager modules, a) a user interface manager module, b) a digital cross-connect system (DCS) manager module, c) a distributed communications manager module and d) a core algorithm manager module, are interconnected and coordinated by the restoration manager. Additional robustness to the restoration process is provided by way of enhancements to the functionality of the core algorithm manager module. These enhancements include: a) improved glare processing (resolution of contention for a particular resource), b) "broadcast" of takedown messages, c) elimination of the need for time-outs during automatic restoration, d) a "peek ahead" routine that immediately takes down a needed resource that is already on a list to be taken down, e) use of a "minimax factor" and f) a "quick fix" technique for use in cases of limited failure of circuits between two nodes. The restoration process can also be cascaded so that it sequentially restores one level at a time, the levels being defined by the hierarchy of digital transmission rates employed in the network.
摘要翻译： 通过为通信网络的每个节点采用其中恢复处理的预定功能由多个管理器模块中的相应管理器模块来管理的恢复处理器来克服先前中断的通信恢复系统的困难。 管理器模块被布置为仅与协调模块的操作并提供其互连需求的所谓的恢复管理器直接相互连接。 在优选实施例中，a）用户接口管理器模块，b）数字交叉连接系统（DCS）管理器模块，c）分布式通信管理器模块和d）核心算法管理器模块的四个管理器模块互连， 由修复经理协调。 通过增强核心算法管理器模块的功能来提供对恢复过程的额外的鲁棒性。 这些增强功能包括：a）改进的眩光处理（特定资源的争用解决方案），b）删除消息的“广播”，c）在自动恢复期间消除对超时的需要，d）“向前看” 立即取消已经在列表中被删除的所需资源，e）使用“极小值因子”和f）“快速修复”技术，用于在两个节点之间电路有限故障的情况下。 恢复过程也可以级联，以使其一次顺序恢复一个级别，这些级别由网络中采用的数字传输速率的层级来定义。
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