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1. 发明公开

EP0716522A2 Wavelength division multiplexed hybrid ring suitable for use in regional area networks 失效
标题翻译： Hybrider Ring mitWellenlängenmultiplexgeeignetfürdie anwendung in regionalen Netzwerken
公开(公告)号：EP0716522A2
公开(公告)日：1996-06-12
申请号：EP95308760.8
申请日：1995-12-05
申请人： AT&T Corp.
发明人： Glance, Bernard , Marra, William C. , Kaminow, Ivan P. , Schesser, Joel
IPC分类号： H04J14/02 , H04L12/28
CPC分类号： H04J14/028 , H04J14/0227 , H04J14/0241 , H04J14/0283 , H04J14/0286
摘要： Disclosed is a wavelength division multiplexed hybrid ring formed from a plurality of telecommunications links that connect a plurality of switching nodes, each telecommunications link comprising: at least one optical fiber adapted for transporting a plurality of wavelength division multiplexed channels, wherein each of the plurality of optical channels is defined by a different wavelength; and at least one branching unit disposed along the at least one optical fiber, wherein the at least one branching unit includes at least one add-drop multiplexer for adding and dropping predetermined ones of the plurality of optical channels to and from a terminal coupled to the branching unit, and the branching unit is adapted to pass predetermined ones of the plurality of optical channels between the plurality of switching nodes.
摘要翻译：公开了一种由连接多个交换节点的多个电信链路形成的波分复用混合环，每个电信链路包括：至少一个适用于传输多个波分多路复用信道的光纤，其中多个光通道由不同的波长定义; 以及沿着所述至少一个光纤布置的至少一个分支单元，其中所述至少一个分支单元包括至少一个分插复用器，用于将耦合到所述至少一个光纤的终端的多个光通道中的预定的一个分配单元分支单元，并且分支单元适于通过多个交换节点之间的多个光学信道中的预定的一个。

2. 发明公开

EP0573211A2 Distributed switching in bidirectional multiplex section-switched ring transmission systems 有权转让
标题翻译：分布式交换以环发送系统与双向多路介导的步骤。
公开(公告)号：EP0573211A2
公开(公告)日：1993-12-08
申请号：EP93304119.6
申请日：1993-05-27
申请人： AT&T Corp.
发明人： Marra, William C. , Slavinskas, Darius D. , Soulliere, Mark J.
IPC分类号： H04L12/42
CPC分类号： H04J3/085 , H04J2203/0042 , H04J2203/006 , H04J2203/0089
摘要： Long delays in bidirectional multiplex section-switched self-healing ring transmission systems are avoided by eliminating looping of communications signals when restoring them in response to a failure in the ring and by distributing switching of paths to be protected to ring nodes other than those immediately adjacent the failure. This is realized by provisioning each node in the bidirectional multiplex section-switched ring transmission system with a map of its traffic pattern (all active tributaries) and the relative position of each ring node in the ring transmission system, and allowing the ring node, if it has communications traffic affected by the failure, to bridge and switch to and from the protection path (110-P.120-P).
摘要翻译：在双向复用段交换自愈环传输系统的长延迟是通过消除通信信号的循环当响应恢复它们在环中出现故障和通过分配的路径切换避免被保护以比直接相邻的其他环的节点该故障。这是通过配置在双向复用段交换环传输系统中的每个节点与地图上其流量模式（所有活动支流），并且每个环节点的在环传输系统中的相对位置，并允许该环的节点，如果能够实现它具有受故障影响的通信业务，以桥接和切换到和从保护路径（110-P.120-P）。

3. 发明授权

EP0573211B1 Distributed switching in bidirectional multiplex section-switched ring transmission systems 有权转让
标题翻译：在一个环传输系统的分布式交换双向多路复用介导的步骤
公开(公告)号：EP0573211B1
公开(公告)日：1999-09-15
申请号：EP93304119.6
申请日：1993-05-27
申请人： AT&T Corp.
发明人： Marra, William C. , Slavinskas, Darius D. , Soulliere, Mark J.
IPC分类号： H04L12/42
CPC分类号： H04J3/085 , H04J2203/0042 , H04J2203/006 , H04J2203/0089

4. 发明公开

EP0573211A3 Distributed switching in bidirectional multiplex section-switched ring transmission systems 有权转让
标题翻译：分布式交换以环发送系统与双向多路介导的步骤。
公开(公告)号：EP0573211A3
公开(公告)日：1995-05-24
申请号：EP93304119.6
申请日：1993-05-27
申请人： AT&T Corp.
发明人： Marra, William C. , Slavinskas, Darius D. , Soulliere, Mark J.
IPC分类号： H04L12/42
CPC分类号： H04J3/085 , H04J2203/0042 , H04J2203/006 , H04J2203/0089
摘要： Long delays in bidirectional multiplex section-switched self-healing ring transmission systems are avoided by eliminating looping of communications signals when restoring them in response to a failure in the ring and by distributing switching of paths to be protected to ring nodes other than those immediately adjacent the failure. This is realized by provisioning each node in the bidirectional multiplex section-switched ring transmission system with a map of its traffic pattern (all active tributaries) and the relative position of each ring node in the ring transmission system, and allowing the ring node, if it has communications traffic affected by the failure, to bridge and switch to and from the protection path (110-P.120-P).

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