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11. 发明申请

WO2013037429A1 A METHOD AND APPARATUS FOR ALLOCATING SLOTS FOR TRANSMISSION OF DATA 审中-公开
标题翻译：用于分发数据传输的方法和装置
公开(公告)号：WO2013037429A1
公开(公告)日：2013-03-21
申请号：PCT/EP2011/072117
申请日：2011-12-07
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (publ) , BOTTARI, Giulio , SAMBO, Nicola , CUGINI, Filippo , CASTOLDI, Piero , IOVANNA, Paola
发明人： BOTTARI, Giulio , SAMBO, Nicola , CUGINI, Filippo , CASTOLDI, Piero , IOVANNA, Paola
IPC分类号： H04J14/02
CPC分类号： H04J14/023 , H04J14/0256 , H04J14/0257 , H04J14/0258
摘要： Slots (311) for transmission of data of a particular transmission type over an optical network are allocated by selecting a first available slot (313_2) at an ordinal position corresponding to a multiple of n and allocating the selected first available slot and the next n-1 consecutive slots (313_4, 313_5) from the selected first available slot (313_3), if all n-1 consecutive slots (313_4, 313_5) are available, for transmission of data of the particular transmission type. The data is transmitted over an optical network comprising a plurality of nodes (305, 327) interconnected by optical sections (301, 309, 329, 331) the nodes (305, 327) supporting a plurality of transmission types, wherein transmission of data of the particular transmission type requires a predetermined number n of consecutive slots. Alternatively the slots may be divided in groups (333, 335, 337) and slots are allocated to a group in which all slots are available.
摘要翻译：通过选择与n的倍数相对应的顺序位置处的第一可用时隙（313_2）来分配用于通过光网络传输特定传输类型的数据的时隙（311），并且分配所选择的第一可用时隙和下一个n- 如果所有n-1个连续时隙（313_4,313_5）可用，则用于传输特定传输类型的数据，从所选择的第一可用时隙（313_3）中选择1个连续时隙（313_4,313_5）。数据通过包括多个节点（305,327）的光网络传输，所述多个节点（305,327）由支持多个传输类型的节点（305,327）的光学部分（301,309,329,331）互连，其中传输数据特定传输类型需要预定数量的n个连续时隙。或者，时隙可以被分组（333,335,337），并且时隙被分配给所有时隙都可用的组。

12. 发明申请

WO2012025148A1 METHOD AND APPARATUS FOR DYNAMIC WAVELENGTH ALLOCATION IN WAVELENGTH SWITCHED OPTICAL NETWORKS 审中-公开
标题翻译：波长切换光网络中动态波长分配的方法与装置
公开(公告)号：WO2012025148A1
公开(公告)日：2012-03-01
申请号：PCT/EP2010/062344
申请日：2010-08-24
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (publ) , SAMBO, Nicola , CUGINI, Filippo , CASTOLDI, Piero , BOTTARI, Giulio , IOVANNA, Paola
发明人： SAMBO, Nicola , CUGINI, Filippo , CASTOLDI, Piero , BOTTARI, Giulio , IOVANNA, Paola
IPC分类号： H04J14/02
CPC分类号： H04J14/0257 , H04J14/026 , H04J14/0267 , H04J14/0269
摘要： A method of allocating a wavelength to a lightpath in a wavelength multiplex for use in an optical network comprising nodes connected by optical links, wherein the wavelength multiplex is adapted to support lightpaths of two different bitrates. The disclosed method allows for efficient allocation of wavelengths that prevents wasting bandwidth and mitigates detrimental effects of cross-phase modulation.
摘要翻译：将波长分配给波长多路复用中用于包括通过光链路连接的节点的光网络中的光路的方法，其中所述波长多路复用适于支持两种不同比特率的光路。所公开的方法允许有效地分配波长以防止浪费带宽并减轻交叉相位调制的有害影响。

13. 发明申请

WO2011150981A1 OPTICAL NETWORK NODE WITH RESTORATION PATH 审中-公开
标题翻译：光网络节点与恢复路径
公开(公告)号：WO2011150981A1
公开(公告)日：2011-12-08
申请号：PCT/EP2010/058444
申请日：2010-06-16
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (publ) , BOTTARI, Giulio , IOVANNA, Paola
发明人： BOTTARI, Giulio , IOVANNA, Paola
IPC分类号： H04J3/08
CPC分类号： H04B10/038 , H04J14/0212 , H04J14/0284 , H04J14/0295
摘要： A node for an optical network has an electrical selector (30, 35) coupled to a first transponder for selecting which of first or second connections, is carried. A connection controller (80, 130) cooperates with other nodes to set up the first connection on a main path using a second transponder, and to reserve a first restoration path for the first connection. A second connection (best effort traffic) is set up on at least part of the reserved first restoration path by controlling the electrical selector. If the main path fails, the first connection is restored by controlling the electrical selector to select the first connection for the first restoration path in place of the second connection. By having an electrical selector, a change can be made more rapidly than if done only optically.
摘要翻译：用于光网络的节点具有耦合到第一应答器的电选择器（30,35），用于选择携带第一或第二连接中的哪一个。连接控制器（80,130）与其他节点协作以使用第二应答器在主路径上建立第一连接，并且为第一连接预留第一恢复路径。通过控制电气选择器，在保留的第一恢复路径的至少一部分上建立第二连接（尽力而为流量）。如果主路径失败，则通过控制电选择器来代替第二连接来选择第一恢复路径的第一连接来恢复第一连接。通过使用电子选择器，可以比仅在光学上完成更改更快。

14. 发明申请

WO2014015915A1 ROUTING FOR SUPER CHANNEL FOR BANDWIDTH VARIABLE WAVELENGTH SWITCHED OPTICAL NETWORK 审中-公开
标题翻译：用于波段可变波长切换光网络的超频道路由
公开(公告)号：WO2014015915A1
公开(公告)日：2014-01-30
申请号：PCT/EP2012/066029
申请日：2012-08-16
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , SAMBO, Nicola , CUGINI, Filippo , BOTTARI, Giulio , IOVANNA, Paola , CASTOLDI, Piero
发明人： SAMBO, Nicola , CUGINI, Filippo , BOTTARI, Giulio , IOVANNA, Paola , CASTOLDI, Piero
IPC分类号： H04J14/02
CPC分类号： H04Q11/0062 , H04J14/0212 , H04J14/0257 , H04J14/0261 , H04J14/0267 , H04J14/0298 , H04L27/2697 , H04L45/62 , H04Q2011/0086 , H04Q2011/0088
摘要： In an optical communications network using bandwidth variable wavelength switching, routing and spectrum assignment for a traffic request for x sub-carriers of a super- channel, involves checking (103) for an existing super-channel having sufficient potential sub-carriers not currently active. If not found, then possible paths for a new super-channel are identified (107) and a path is selected and sub-carriers assigned (140). By trying first to use inactive potential sub-carriers of an existing super-channel, fewer super channels overall are needed, and thus fewer super transponders are needed. This can reduce blocking probabilities and can reduce capital costs. The search for possible paths can try to avoid or reduce overlap with spectrum of existing super channels, or compare possible paths by weighting according to amounts of overlap.
摘要翻译：在使用带宽可变波长切换的光通信网络中，对于超级信道的x个子载波的业务请求的路由和频谱分配涉及对具有足够的潜在子载波的当前超级信道进行检查（103）。如果没有找到，则识别新的超级信道的可能路径（107），并且选择路径并分配子载波（140）。首先尝试使用现有超级频道的无效潜在子载波，需要更少的超级频道，因此需要更少的超级应答器。这可以减少阻塞概率，并可以降低资本成本。搜索可能的路径可以尝试避免或减少与现有超级频道的频谱重叠，或者通过根据重叠量加权来比较可能的路径。

15. 发明申请

WO2012116760A1 PATH COMPUTATION OF WORKING AND RECOVERY PATHS 审中-公开
标题翻译：工作和恢复方案的路径计算
公开(公告)号：WO2012116760A1
公开(公告)日：2012-09-07
申请号：PCT/EP2011/056008
申请日：2011-04-15
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , IOVANNA, Paola , BOTTARI, Guilio , UBALDI, Fabio
发明人： IOVANNA, Paola , BOTTARI, Guilio , UBALDI, Fabio
IPC分类号： H04L12/56
CPC分类号： H04L41/0668 , H04L45/22 , H04L45/28 , H04L45/302 , H04L45/44
摘要： Computing working paths and recovery paths in a telecommunications network having nodes (60, 61) capable of supporting different recovery schemes, is based on traffic demands having an indication of a desired recovery service level, for that demand. A path computation is carried out (120) to select a working path through the network for each of the traffic demands and to select which of the different recovery schemes to use according to the service level. The selected working paths and their associated recovery schemes are then set up in the network. By leaving the selection of the recovery scheme to the path computation stage, network resources can be used more efficiently, and operators can specify resiliency in terms of needs rather than in terms of the technology of the network. Thus operators can be insulated from the detailed knowledge of the network.
摘要翻译：计算具有能够支持不同恢复方案的节点（60,61）的电信网络中的工作路径和恢复路径是基于对于该需求具有期望的恢复服务级别的指示的业务需求。执行路径计算（120）以针对每个业务需求选择通过网络的工作路径，并根据服务级别选择使用哪些不同的恢复方案。然后在网络中设置所选择的工作路径及其相关的恢复方案。通过将恢复方案的选择留在路径计算阶段，可以更有效地使用网络资源，运营商可以根据需要而不是网络技术来规定弹性。因此，运营商可以与网络的详细知识隔离。

16. 发明申请

WO2012103962A1 METHOD OF CONFIGURING AN OPTICAL PATH, A PATH COMPUTATION ENGINE AND AN OPTICAL COMMUNICATIONS NETWORK NODE 审中-公开
标题翻译：配置光路，路径计算机和光通信网络节点的方法
公开(公告)号：WO2012103962A1
公开(公告)日：2012-08-09
申请号：PCT/EP2011/054229
申请日：2011-03-21
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , SAMBO, Nicola , CUGINI, Filippo , CASTOLDI, Piero , BOTTARI, Giulio , IOVANNA, Paola
发明人： SAMBO, Nicola , CUGINI, Filippo , CASTOLDI, Piero , BOTTARI, Giulio , IOVANNA, Paola
IPC分类号： H04J14/02
CPC分类号： H04J14/0201 , H04J14/021 , H04J14/0227 , H04J14/0257 , H04J14/0258 , H04J14/0267
摘要： A method (10) of configuring an optical path from a first node to a second node in an optical communications network, comprising: selecting a path from the first node to the second node (12); identifying each wavelength that may be used continuously across the path (14); and selecting a transmission wavelength for the optical path (16) by: selecting a said wavelength for which a fixed wavelength direction-bound add/drop transponder add operable at said wavelength is available at each node (18, 20, 22); if that first requirement is not met, selecting a said wavelength for which a fixed wavelength direction-bound add/drop transponder or a fixed wavelength directionless add/drop transponder operable at said wavelength is available at each node (22, 24, 26); and if that second requirement is not met, selecting a said wavelength for which a tunable wavelength direction-bound add/drop transponder or a tunable wavelength directionless add/drop transponder operable at said wavelength is available at each node (22, 28, 30).
摘要翻译：一种在光通信网络中配置从第一节点到第二节点的光路的方法（10），包括：选择从所述第一节点到所述第二节点（12）的路径; 识别可以在路径（14）上连续使用的每个波长; 以及通过以下步骤来选择光路（16）的透射波长：通过选择在每个节点（18,20,22）可以在所述波长处可操作的固定波长方向绑定的分插转发器应答器加法的所述波长; 如果不满足第一要求，则选择在每个节点（22,24,26）处可用于其上可固定波长方向绑定的分插转发器或在所述波长下可操作的固定波长无向分插转发器的所述波长; 并且如果不满足该第二要求，则在每个节点（22,28,30）处可选择其上可操作波长方向绑定的分插转发器或可调谐波长无方向上/下转发应答器的所述波长可在所述波长处操作，。

17. 发明申请

WO2011103913A1 SUMMARISATION IN A MULTI-DOMAIN NETWORK 审中-公开
标题翻译：多域网络概述
公开(公告)号：WO2011103913A1
公开(公告)日：2011-09-01
申请号：PCT/EP2010/052287
申请日：2010-02-23
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , IOVANNA, Paola , BOTTARI, Giulio
发明人： IOVANNA, Paola , BOTTARI, Giulio
IPC分类号： H04L12/24 , H04L12/56
CPC分类号： H04L41/12 , H04L41/022 , H04L45/02 , H04L45/04
摘要： A multi-domain network (10) comprises domains (AS A - AS E) of different network technology types. A network domain (AS A) comprises a plurality of network nodes (12, 14) connected by links (13) and comprising border nodes (12) which connect with other network domains (AS B, AS C, AS D). In a first domain (AS A) of a first technology type, a method comprises determining an intra-domain topology of the nodes (12, 14) and links (13) of the domain by collecting values of at least one network topology parameter of the first technology type. The method determines a summarised intra-domain topology of paths between border nodes (12) of the domain which is described using values of at least one summarised network topology parameter. Values of the summarised network topology parameter are derived from the values of the network topology parameter of the intra-domain topology of the first technology type. The summarised network topology parameter is part of a common set of network topology parameters for advertising between domains comprising apparatus of different technology types. A domain can comprise multiple layers of different technology type.
摘要翻译：多域网络（10）包括不同网络技术类型的域（AS A-AS E）。网络域（AS A）包括由链路（13）连接并且包括与其他网络域（AS B，AS C，AS D）连接的边界节点（12）的多个网络节点（12,14）。在第一技术类型的第一域（AS A）中，一种方法包括通过收集至少一个网络拓扑参数的值来确定节点（12,14）和域的链路（13）的域内拓扑，第一种技术类型。该方法确定使用至少一个汇总的网络拓扑参数的值来描述的域的边界节点（12）之间的路径的汇总的域内拓扑。汇总网络拓扑参数的值从第一种技术类型的域内拓扑的网络拓扑参数的值导出。总结网络拓扑参数是用于在包括不同技术类型的设备的域之间进行广告的公共网络拓扑参数集合的一部分。域可以包括不同技术类型的多层。

18. 发明申请

WO2013026498A1 ROUTING AND BANDWIDTH ASSIGNMENT FOR FLEXIBLE GRID WAVELENGTH SWITCHED OPTICAL NETWORKS 审中-公开
标题翻译：柔性网路波长切换光网络的路由和带宽分配
公开(公告)号：WO2013026498A1
公开(公告)日：2013-02-28
申请号：PCT/EP2011/067166
申请日：2011-09-30
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , SAMBO, Nicola , CUGINI, Filippo , CASTOLDI, Piero , BOTTARI, Giulio , IOVANNA, Paola
发明人： SAMBO, Nicola , CUGINI, Filippo , CASTOLDI, Piero , BOTTARI, Giulio , IOVANNA, Paola
IPC分类号： H04J14/02
CPC分类号： H04Q11/0062 , H04J14/0224 , H04J14/0227 , H04J14/0257 , H04J14/026 , H04J14/0267 , H04J14/0269 , H04J14/0271 , H04Q2011/0086
摘要： Routing and bandwidth assignment of new paths of different bandwidths, occupying different numbers of adjacent frequency slots in a wavelength switched optical network (20), involves selecting (100) a route, and assigning (110, 120) a set of adjacent frequency slots. The assignment can place wider ones of the new paths at an opposite end of a spectrum of the available frequency slots, to an end where narrower ones are placed. A size of sets of available adjacent slots remaining after the assignment is likely to be increased, compared to a conventional first fit assignment. A wider subsequent new path can sometimes be accommodated along all or some of the route and thus the blocking probability can be lowered. The selecting of which of the possible routes to use can be made dependent on which has more sets of available adjacent frequency slots, or which has a wider gap between occupied slots.
摘要翻译：在波长交换光网络（20）中占用不同数量的相邻频率槽的不同带宽的新路径的路由和带宽分配涉及选择（100）路由，以及分配（110,120）一组相邻频率时隙。该分配可以将更广泛的新路径放置在可用频率隙的频谱的相对端，到更窄的一个。与传统的第一拟合分配相比，在分配之后剩余的可用相邻狭缝的集合的大小可能增加。有时可以沿着所有或某些路线容纳更宽的后续新路径，从而可以降低阻塞概率。可以选择要使用哪些可能的路由取决于哪些具有更多的可用相邻频率槽的集合，或者在占用时隙之间具有更宽的间隙。

19. 发明申请

WO2012034603A1 ESTABLISHING CONNECTIONS IN A MULTI-RATE OPTICAL NETWORK 审中-公开
标题翻译：建立多速光网络连接
公开(公告)号：WO2012034603A1
公开(公告)日：2012-03-22
申请号：PCT/EP2010/065559
申请日：2010-10-15
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , SAMBO, Nicola , CUGINI, Filippo , CASTOLDI, Piero , BOTTARI, Giulio , IOVANNA, Paola
发明人： SAMBO, Nicola , CUGINI, Filippo , CASTOLDI, Piero , BOTTARI, Giulio , IOVANNA, Paola
IPC分类号： H04J14/02 , H04Q11/00
CPC分类号： H04Q11/0062 , H04J14/0257 , H04J14/0258 , H04J14/026 , H04J14/0267 , H04J14/0269 , H04Q2011/0077 , H04Q2011/0088
摘要： An optical transmission network (2) comprises nodes (10) which support a plurality of different wavelength channels and support at least a first bitrate traffic type and the second bitrate traffic type on respective wavelength channels. A connection of the second bitrate traffic type is established (312, 314, 316) on an available wavelength, if the wavelength offers an acceptable quality of transmission using a first quality of transmission calculation. Alternatively, a connection of the second bitrate traffic type is established (322, 324, 340) on a wavelength which is spaced, by a guard band, from wavelengths used for connections of the first bitrate traffic type, if the wavelength offers an acceptable quality of transmission using a second quality of transmission calculation. The second quality of transmission calculation is less stringent than the first quality of transmission calculation, and can ignore the effects of interference due to cross-phase modulation. The guard band is a wavelength spacing at which the interference between a connection of the first bitrate traffic type and a connection of the second bitrate traffic type is less than a predetermined amount.
摘要翻译：光传输网络（2）包括支持多个不同波长信道并且在相应波长信道上支持至少第一位速率业务类型和第二位速率业务类型的节点（10）。如果波长使用第一传输质量计算提供可接受的传输质量，则在可用波长上建立第二比特率业务类型的连接（312,314,316）。或者，如果波长提供了可接受的质量，则第二位速率业务类型的连接被建立（322,324,340），该波长由保护频带隔开用于连接第一码流量类型的波长的传输使用第二传输质量计算。传输计算的第二种质量不如第一传输质量计算严格，可以忽略由于交叉相位调制引起的干扰的影响。保护频带是第一比特流量类型的连接与第二比特流量类型的连接之间的干扰小于预定量的波长间隔。

20. 发明申请

WO2011031207A1 METHOD AND APPARATUS FOR PATH COMPUTATION ELEMENT AND ROUTING CONTROLLER COOPERATION 审中-公开
标题翻译：路径计算元件与路由控制器合作的方法与装置
公开(公告)号：WO2011031207A1
公开(公告)日：2011-03-17
申请号：PCT/SE2010/050901
申请日：2010-08-23
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , IOVANNA, Paola , BOTTARI, Giulio , WELIN, Annikki , CUGINI, Filippo , PAOLUCCI, Francesco , CASTOLDI, Piero
发明人： IOVANNA, Paola , BOTTARI, Giulio , WELIN, Annikki , CUGINI, Filippo , PAOLUCCI, Francesco , CASTOLDI, Piero
IPC分类号： H04L12/56 , H04Q11/00
CPC分类号： H04Q11/0062 , H04L45/00 , H04L45/10 , H04L45/121 , H04L45/123 , H04L45/42 , H04L45/62 , H04Q2011/0073
摘要： A system, method, and node for a Routing Controller, RC, (202) to obtain from a Path Computation Element, PCE, (204) network resource path metrics (308) across a plurality of domains (320, 322) in a communication network in which each domain includes a plurality of Border Nodes, BNs (324- 338). The RC (202) sends to the PCE (204) a first message requesting a first path computation between each pair of BNs. The first message contains a maximum metric-value indicating a maximum that a path computation must not exceed for a Path Computation Client, PCC, (202) to consider the path computation acceptable Next, the RC sends a second message requesting the PCE to compute a subsequent path computation for each BN pairs for which the first path computation did not exceed the maximum metric-value. The second message contains a minimum metric-value that a path metric must exceed for the PCC to consider the path metric acceptable Next, the RC receives the computed subsequent path computation between BN pairs that exceed the minimum metric-value.
摘要翻译：一种用于路由控制器RC（202）的系统，方法和节点，用于在通信中跨越多个域（320,322）从路径计算元素PCE（204）网络资源路径度量（208）获得网络资源路径度量（308）网络，其中每个域包括多个边界节点，BN（324-338）。 RC（202）向PCE（204）发送请求在每对BN之间进行第一路径计算的第一消息。第一个消息包含指示路径计算不能超过路径计算客户端PCC（202）的最大度量值，以考虑可接受的路径计算接下来，RC发送请求PCE计算的第二个消息对于第一路径计算不超过最大度量值的每个BN对的后续路径计算。第二个消息包含路径度量必须超过PCC以考虑可接受的路径度量的最小度量值。接下来，RC接收超过最小度量值的BN对之间计算的后续路径计算。

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