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1. 发明申请

WO2013037426A1 WSON RESTORATION 审中-公开
标题翻译： WSON恢复
公开(公告)号：WO2013037426A1
公开(公告)日：2013-03-21
申请号：PCT/EP2011/067775
申请日：2011-10-12
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , BOTTARI, Giulio , CECCARELLI, Daniele , CAVIGLIA, Diego
发明人： BOTTARI, Giulio , CECCARELLI, Daniele , CAVIGLIA, Diego
IPC分类号： H04J14/00
CPC分类号： H04B10/032 , H04B10/2575 , H04J14/00 , H04J14/0209 , H04J14/0212 , H04J14/0217 , H04J14/0257 , H04J14/0267 , H04J14/0268 , H04J14/0271 , H04J14/0284 , H04Q11/0005 , H04Q2011/0043
摘要： Dynamic restoration involves routing and bandwidth assignment of an unplanned restoration path in a wavelength switched optical network (20), having regeneration nodes (60), nodes each having a ROADM (62) having drop paths and add paths. An electrical switch (68) provides configurable regeneration capacity by coupling selected drop paths to selected add paths. Some of the configurable regeneration capacity is kept for unplanned restoration paths. A PCE determines (120) routing and bandwidth assignments for an unplanned restoration path for the traffic flow to avoid a fault, and sends (130) configuration messages to the nodes to set up the unplanned restoration path dynamically and to configure the electrical switch to provide regeneration on the path. Keeping some reconfigurable regeneration capacity enables much longer unplanned paths to be found to avoid faults, and enables wavelength conversion if needed. Thus the reliability of finding at least one path avoiding the fault can be increased.
摘要翻译：动态恢复涉及在具有再生节点（60）的波长交换光网络（20）中的非计划恢复路径的路由和带宽分配，每个节点具有具有丢弃路径和添加路径的ROADM（62）。电开关（68）通过将所选择的放置路径耦合到所选择的附加路径来提供可配置的再生能力。一些可配置的再生能力被保留用于非计划的恢复路径。 PCE确定（120）用于业务流的非计划恢复路径的路由和带宽分配以避免故障，并且向节点发送（130）配置消息以动态地建立非计划恢复路径并且配置电开关以提供在路上再生。保持一些可重新配置的再生能力可以实现更长的非计划路径，以避免故障，并在需要时实现波长转换。因此，可以增加找到至少一个避免故障的路径的可靠性。

2. 发明申请

WO2011150982A1 CONFIGURING A PATH IN AN OPTICAL COMMUNICATIONS NETWORK 审中-公开
标题翻译：在光通信网络中配置路径
公开(公告)号：WO2011150982A1
公开(公告)日：2011-12-08
申请号：PCT/EP2010/058449
申请日：2010-06-16
申请人： Telefonaktiebolaget L M Ericsson (publ) , BOTTARI, Giulio , CAVIGLIA, Diego , CECCARELLI, Daniele
发明人： BOTTARI, Giulio , CAVIGLIA, Diego , CECCARELLI, Daniele
IPC分类号： H04J14/02
CPC分类号： H04B10/27 , H04J14/02
摘要： A method (10) of configuring a path between an ingress node and an egress node in an optical communications network, the path comprising a first hop and a subsequent hop. The method comprises: a. selecting a candidate hop for the first hop of the path (12); b. obtaining a value of a signal feasibility parameter for the candidate hop (14, 16, 18); c. determining whether said value lies within an acceptable value range (20) and if one is, accepting said candidate hop for the first hop of the path (22), and if one is not, repeating steps a. to c; d. selecting a candidate hop for the subsequent hop of path (24); e. obtaining a value of a signal feasibility parameter for a combined path comprising the first hop and the candidate hop for the subsequent hop of the path (26, 28, 30); f. determining whether said value lies within an acceptable value range (32), if one is, acceptable value range accepting said candidate hop for the subsequent hop of the path (34), and if one is not, repeating steps d. and e.; and g. generating and transmitting a control signal for configuring the path (36), wherein each said step of obtaining a value of a signal feasibility parameter comprises checking whether a measured value of the signal feasibility parameter is available (14, 26) and if one is, retrieving said measured value (16, 28) and if one is not, calculating an estimated value of the signal feasibility parameter (18, 30).
摘要翻译：一种在光通信网络中配置入口节点和出口节点之间的路径的方法（10），所述路径包括第一跳和后续跳。该方法包括：a。选择路径（12）的第一跳的候选跳; 湾获取所述候选跳（14,16,18）的信号可行性参数的值; C。确定所述值是否在可接受的值范围内（20），如果是，则接受所述路径（22）的第一跳的所述候选跳，并且如果不是，则重复步骤a。到c 天。为路径（24）的后续跳跃选择候选跳; 即获得用于组合路径的信号可行性参数的值，所述组合路径包括所述路径（26,28,30）的后续跳跃的所述第一跳和所述候选跳跃; F。确定所述值是否在可接受的值范围内（32），如果是接受所述路径（34）的后续跳跃的所述候选跳跃的可接受值范围，并且如果不是，则重复步骤d。和e。和g。生成和发送用于配置路径（36）的控制信号，其中获得信号可行性参数的值的每个所述步骤包括检查信号可行性参数的测量值是否可用（14,26），并且如果是，检索所述测量值（16,28），如果不是，则计算所述信号可行性参数（18,30）的估计值。

3. 发明申请

WO2012084273A1 SEGMENT RECOVERY 审中-公开
标题翻译：部分恢复
公开(公告)号：WO2012084273A1
公开(公告)日：2012-06-28
申请号：PCT/EP2011/056073
申请日：2011-04-18
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , CECCARELLI, Daniele , CAVIGLIA, Diego
发明人： CECCARELLI, Daniele , CAVIGLIA, Diego
IPC分类号： H04L12/56
CPC分类号： H04L41/0668 , H04L45/22 , H04L45/28 , H04L45/50
摘要： In a communications network, a recovery segment is used to reroute a recoverable part of a path set up along an original route along links between nodes. When a defect is detected in the original route of the path, but is undetectable by nodes within the recoverable part, a reroute message is sent (5) from outside the recoverable part to an end node (N2,N4) of the recoverable part. This prompts the rerouting of the recoverable part over the recovery segment. Thus segment recovery becomes possible for these defects which cannot be detected at nodes in the segment. This extends the applicability of benefits of segment recovery such as reduced resources devoted to recovery, and flexibility to choose which parts of paths to protect. The end node can send a notify message beforehand, to request (3) notification of the defect as the reroute message.
摘要翻译：在通信网络中，恢复段用于沿着沿着节点之间的链路沿原始路由设置的路径的可恢复部分重新路由。当在路径的原始路由中检测到缺陷，但是可恢复部分内的节点不能检测到缺陷时，从可恢复部分的外部向可恢复部分的末端节点（N2，N4）发送重新路由消息（5）。这将提示可恢复部分通过恢复段重新路由。因此，对于在段中的节点处不能检测到的这些缺陷，段恢复成为可能。这扩展了部分恢复的好处的适用性，例如减少用于恢复的资源，以及灵活选择要保护的路径的哪些部分。结束节点可以预先发送通知消息，以请求（3）将缺陷的通知作为重新路由消息。

4. 发明申请

WO2010149395A1 RESERVING A PATH USING GMPLS EXTENSIONS FOR ODU SIGNALLING 审中-公开
标题翻译：使用GMPLS扩展保留ODU信号的路径
公开(公告)号：WO2010149395A1
公开(公告)日：2010-12-29
申请号：PCT/EP2010/050019
申请日：2010-01-04
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , CECCARELLI, Daniele , CAVIGLIA, Diego , FONDELLI, Francesco
发明人： CECCARELLI, Daniele , CAVIGLIA, Diego , FONDELLI, Francesco
IPC分类号： H04Q11/00
CPC分类号： H04Q11/0062 , H04J3/1652 , H04L45/50 , H04L47/724 , H04L47/825 , H04Q2011/0073 , H04Q2011/0084 , H04Q2011/0088
摘要： A method of requesting reservation of a label switched path (LSP) for traffic of a type compatible with ITU-T G709 amendment 3, in an optical transport network by sending a RSVP-TE path message for the reservation of the requested LSP from an ingress node (10) of the requested path, via intermediate nodes (40) along the path to an egress node (70), and sending a RSVP-TE resv message from the egress node, to cause the nodes to reserve resources for the requested path. The path message has a signal type field having values assigned to indicate traffic types specified in G.709 amendment 3 beyond those specified by G.709 pre amendment 3, without reuse of values specified by G.709 pre amendment 3. Since the nodes along the path can still distinguish in the signal type field any values of the signal type field specified by G.709 pre amendment 3, new nodes can still work with legacy messages.
摘要翻译：一种在光传输网络中请求预留用于与ITU-T G709修订版3兼容的类型的业务的标签交换路径（LSP）的方法，通过从入口发送用于预留所请求的LSP的RSVP-TE路径消息所述请求路径的节点（10）经由经由到所述出口节点（70）的路径的中间节点（40）发送，并且从所述出口节点发送RSVP-TE RESV消息，以使所述节点预留所请求路径的资源。路径消息具有信号类型字段，其值被分配用于指示G.709修正3中规定的超出G.709预修改3所指定的业务类型，而不重用由G.709预修改3指定的值。由于节点路径仍然可以在信号类型字段中区分由G.709预修改3指定的信号类型字段的任何值，新节点仍然可以与旧消息一起使用。

5. 发明申请

WO2013169158A1 NODE AND METHOD FOR ITERATIVE IMPROVEMENT OF SPECTRAL USE 审中-公开
标题翻译：光谱利用迭代改进的方法和方法
公开(公告)号：WO2013169158A1
公开(公告)日：2013-11-14
申请号：PCT/SE2012/050654
申请日：2012-06-15
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , BRUNO, Gianmarco , CECCARELLI, Daniele , DAHLFORT, Stefan , TARTAGLIA, Antonio , XIA, Ming
发明人： BRUNO, Gianmarco , CECCARELLI, Daniele , DAHLFORT, Stefan , TARTAGLIA, Antonio , XIA, Ming
IPC分类号： H04B10/077
CPC分类号： H04B10/073 , H04B10/0775 , H04B10/27
摘要： Example embodiments presented herein are directed towards an optical testing node, and method therein, for establishing transmission parameters for optical communications in an iterative manner. The establishment of the transmission parameters may comprise adjusting various parameters such as a modulation scheme, a light path length, and/or a spectral width.
摘要翻译：这里呈现的示例性实施例涉及一种用于以迭代方式建立用于光通信的传输参数的光学测试节点及其方法。传输参数的建立可以包括调整诸如调制方案，光路长度和/或光谱宽度的各种参数。

6. 发明申请

WO2013152806A1 RECOVERY IN CONNECTION-ORIENTED NETWORK 审中-公开
标题翻译：恢复连接的网络
公开(公告)号：WO2013152806A1
公开(公告)日：2013-10-17
申请号：PCT/EP2012/056811
申请日：2012-04-13
申请人： Telefonaktiebolaget L M Ericsson (publ) , CECCARELLI, Daniele , BOTTARI, Giulio , CAVIGLIA, Diego
发明人： CECCARELLI, Daniele , BOTTARI, Giulio , CAVIGLIA, Diego
IPC分类号： H04L12/24 , H04L12/56 , H04Q3/00
CPC分类号： H04L45/28 , H04L41/0663 , H04L41/0681 , H04L45/22 , H04L45/42 , H04L45/50 , H04Q3/0079
摘要： Recovery from failure of a working path for communications traffic in a connection- oriented network, where the working path has a preplanned recovery path, involves initiating recovery by requesting computation of a new recovery path (120, 210) for the communications traffic to avoid the failure. If the recovery is not successful within a time limit, (130, 230) recovery is carried out using the preplanned recovery path (140, 240). Determining if the recovery is not successful and initiating the recovery using the preplanned recovery path can be controlled by an ingress node (30) of the working path. By trying to compute a new recovery path first, network resources can be used more efficiently, as the new recovery path is likely to reuse most of the working path, since it is computed knowing the location of the fault.
摘要翻译：在面向连接的网络（其中工作路径具有预先计划的恢复路径）中的用于通信业务的工作路径的故障恢复涉及通过请求计算用于通信业务的新的恢复路径（120,210）来启动恢复，以避免失败。如果在时间限制内恢复不成功，则使用预先计划的恢复路径（140,240）执行恢复（130,230）。确定恢复是否成功并且使用预先计划的恢复路径启动恢复可以由工作路径的入口节点（30）来控制。通过尝试首先计算新的恢复路径，可以更有效地使用网络资源，因为新的恢复路径可能会重用大部分工作路径，因为它是计算知道故障位置的。

7. 发明申请

WO2013079093A1 RECOVERY OF SPLIT ARCHITECTURE CONTROL PLANE 审中-公开
标题翻译：分割架构控制平面的恢复
公开(公告)号：WO2013079093A1
公开(公告)日：2013-06-06
申请号：PCT/EP2011/071245
申请日：2011-11-29
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (publ) , REBELLA, Paolo , CECCARELLI, Daniele , CAVIGLIA, Diego
发明人： REBELLA, Paolo , CECCARELLI, Daniele , CAVIGLIA, Diego
IPC分类号： H04L12/24 , H04L12/56
CPC分类号： H04L41/0672 , H04L41/0213 , H04L41/042 , H04L41/0654 , H04L41/0873 , H04L41/0893 , H04L45/28
摘要： A method of operating a control plane having a centralised network management system (10), control domain servers (20) and a plurality of forwarding elements (30), for controlling respective network entities (L2), and grouped into control domains (21, 22, 23). Each domain has a control domain server. Automatic checking for inconsistencies (110, 115, 210, 310, 320, 450) between the records held at the different parts of the control plane, involves comparing checklists of the records of the circuits stored at the different parts of the control plane. If an inconsistency is found, there is automatic updating (120, 220, 230, 460) of the records using a copy sent from another of the parts of the control plane. The checklists can avoid the need to forwarding entire copies.
摘要翻译：一种操作具有集中式网络管理系统（10），控制域服务器（20）和多个转发元件（30）的控制平面的方法，用于控制各个网络实体（L2），并分组成控制域 22,23）。每个域都有一个控制域服务器。在控制平面的不同部分之间记录的不一致性（110,115,210,310,320,450）的自动检查涉及比较存储在控制平面的不同部分的电路的记录的清单。如果发现不一致，则使用从控制平面的其他部分发送的副本自动更新记录（120,220,230,460）。检查单可以避免转发整个副本的需要。

8. 发明申请

WO2012167843A1 METHOD OF AND APPARATUS FOR CONFIGURING QUALITY OF SERVICE 审中-公开
标题翻译：用于配置服务质量的方法和装置
公开(公告)号：WO2012167843A1
公开(公告)日：2012-12-13
申请号：PCT/EP2011/062053
申请日：2011-07-14
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , CECCARELLI, Daniele , CAVIGLIA, Diego , FONDELLI, Francesco
发明人： CECCARELLI, Daniele , CAVIGLIA, Diego , FONDELLI, Francesco
IPC分类号： H04L12/56
CPC分类号： H04L47/825 , H04L45/50 , H04L47/724 , H04L47/805
摘要： The present invention relates to configuring the quality of service in a label switched network. In particular, the invention relates to configuring quality of service for the return path of a bi-directional label switched path in a label switched network. The invention provides a method of configuring quality of service for a return path of a bi-directional label switched path within a network, the bi-directional label switched path having a forward path and a return path. A label information context for a quality of service configuration of the return path of a label switched path is configured separately from a quality of service configuration for the forward path. Path set up messages are formed containing a return path quality of service object indicating the quality of service configuration for the return path separately from a quality of service configuration for the forward path.
摘要翻译：本发明涉及在标签交换网络中配置服务质量。具体地，本发明涉及为标签交换网络中的双向标签交换路径的返回路径配置服务质量。本发明提供了一种为网络内的双向标签交换路径的返回路径配置服务质量的方法，双向标签交换路径具有前向路径和返回路径。标签交换路径的返回路径的服务质量配置的标签信息上下文与前向路径的服务质量配置分开配置。形成路径设置消息，其包含指示返回路径的服务质量配置与返回路径的服务质量配置分开的返回路径服务质量对象。

9. 发明申请

WO2012079630A1 SEGMENT RECOVERY IN CONNECTION-ORIENTED NETWORK 审中-公开
标题翻译：在面向连接的网络中进行部分恢复
公开(公告)号：WO2012079630A1
公开(公告)日：2012-06-21
申请号：PCT/EP2010/069804
申请日：2010-12-15
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , CECCARELLI, Daniele , REBELLA, Paolo , CAVIGLIA, Diego
发明人： CECCARELLI, Daniele , REBELLA, Paolo , CAVIGLIA, Diego
IPC分类号： H04L12/56
CPC分类号： H04L45/28 , H04L45/22 , H04L45/50
摘要： A connection - oriented network (5) has a working path (10) and a segment recovery path (12) for a segment (11) of the working path (10). The working path (10) has a branch node (N2) at an end of the segment where the segment recovery path (12) connects to the working path. The branch node is not located at an end node (N1, N7) of the working path. Control plane signalling is received (202) at an end node (N1, N5) of the working path (10) from a node along the working path, indicating that a failure has occurred along the working path. The end node (N1, N7) determines (203), from the received control plane signalling, if the failure has occurred outside the segment (11) of the working path. When it is determined that the failure has occurred outside the segment (11) of the working path, notifying (204) the branch node (N2, N5). The notification is an instruction not to reroute to the segment recovery path.
摘要翻译：面向连接的网络（5）具有用于工作路径（10）的段（11）的工作路径（10）和段恢复路径（12）。工作路径（10）在段的末端具有分段节点（N2），其中段恢复路径（12）连接到工作路径。分支节点不位于工作路径的端节点（N1，N7）。从工作路径的节点在工作路径（10）的端节点（N1，N5）处接收（202）控制平面信令，指示沿着工作路径发生故障。终端节点（N1，N7）从接收到的控制平面信令确定（203）是否在工作路径的段（11）之外发生故障。当确定在工作路径的段（11）之外发生故障时，通知（204）分支节点（N2，N5）。该通知是不重新路由到段恢复路径的指令。

10. 发明申请

WO2013162433A1 METHOD FOR SPLIT SPECTRUM SIGNALLING IN AN OPTICAL NETWORK 审中-公开
标题翻译：用于在光网络中分离信号的方法
公开(公告)号：WO2013162433A1
公开(公告)日：2013-10-31
申请号：PCT/SE2012/050535
申请日：2012-05-16
申请人： Telefonaktiebolaget L M Ericsson (publ) , DAHLFORT, Stefan , CECCARELLI, Daniele , XIA, Ming
发明人： DAHLFORT, Stefan , CECCARELLI, Daniele , XIA, Ming
IPC分类号： H04J14/02
CPC分类号： H04J14/0267 , H04J14/0224 , H04J14/0257 , H04J14/0258 , H04J14/026 , H04Q11/02
摘要： The example embodiments presented herein are directed towards an Optical Network Element, ONE, node (14), and corresponding method therein, for establishing multiple spectral routing in an optical transport network. The establishment of the multiple spectral routing features the use of a Split-Spectrum Label, SSL, (11) which comprises multiple definitions for spectral slots, where each definition has an absolute starting and an absolute ending frequency allocation.
摘要翻译：这里呈现的示例实施例针对光网络元件ONE（节点）（14）及其中的相应方法，用于在光传输网络中建立多个光谱路由。多光谱路由的建立特征在于使用分裂频谱标签SSL（11），其包括用于频谱时隙的多个定义，其中每个定义具有绝对起始和绝对结束频率分配。

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