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公开(公告)号：US20240364607A1
公开(公告)日：2024-10-31
申请号：US18769095
申请日：2024-07-10
申请人： Ciena Corporation
发明人： Ghulam Mustafa
IPC分类号： H04L43/0811 , H04L41/069
CPC分类号： H04L43/0811 , H04L41/069
摘要： Systems and methods for enhancing the Connectivity Fault Management (CFM) protocol defined in IEEE 802.1Q are provided. In particular, a method includes receiving one or more messages associated with a link connectivity protocol that for detecting link connectivity issues of an Ethernet service in a section of a network and responding to the link connectivity issues; and maintaining two databases for learning nodes in the network based on the received one or more messages, the two databases including an active database and an isolated database.
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公开(公告)号：US20240348333A1
公开(公告)日：2024-10-17
申请号：US18483946
申请日：2023-10-10
申请人： CIENA CORPORATION
IPC分类号： H04B10/11 , H04B10/50 , H04B10/516
CPC分类号： H04B10/11 , H04B10/506 , H04B10/5161
摘要： A system that incorporates the subject disclosure may include, for example, receiving optical signals, wherein the optical signals are generated by a transmitter, wherein the transmitter generates multiple optical wavelengths, wherein the transmitter modulates the multiple optical wavelengths from digital input data to create correlated optical signals, and wherein the transmitter transmits the correlated optical signals across a transmission medium having characteristics of a turbulent channel, converting of the optical signals to electrical signals, processing of the electrical signals in a modem to produce output data and additional information, supplying the additional information to a processor, and based on the additional information, the processor generating one or more control signals directed to a phase alignment stage for compensating turbulent effects experienced by the optical signals while propagating through the turbulent channel. Additional embodiments are disclosed.
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公开(公告)号：US20240345342A1
公开(公告)日：2024-10-17
申请号：US18133011
申请日：2023-04-11
申请人： Ciena Corporation
发明人： Peter Ajersch , Trevor Meunier , Mitchell O’Leary
IPC分类号： G02B6/42
CPC分类号： G02B6/4269 , G02B6/4277
摘要： An optical system including: a faceplate including a receptacle adapted to receive a pluggable optical module; and one or more of: a thermal pad disposed adjacent to at least one interior side of the receptacle, wherein the thermal pad is adapted to be in thermal communication with the pluggable optical module when the pluggable optical module is received within the receptacle and conduct heat from a nose of the pluggable optical module to the faceplate; and a heat sink disposed at an interior side of the receptacle, wherein the heatsink is adapted to be in physical contact and thermal communication with the pluggable optical module when the pluggable optical module is received within the receptacle and conduct heat from the nose of the pluggable optical module to an air flow present behind the faceplate.
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公开(公告)号：US12120854B2
公开(公告)日：2024-10-15
申请号：US17547701
申请日：2021-12-10
申请人： Ciena Corporation
IPC分类号： H05K7/20
CPC分类号： H05K7/20736 , H05K7/202 , H05K7/20263
摘要： A networking hardware system includes a housing; a board located in the housing and comprising a plurality of components; a liquid cooled heat exchanger; and one or more fans disposed near the liquid cooled heat exchanger and configured to provide cool airflow from the liquid cooled heat exchanger to any of the plurality of components. The housing can be substantially sealed from an external environment and includes no air intake thereon, removing a need for higher powered fans and for air filtering for dust. The housing can include a faceplate with no air intake thereon, providing increased density for ports on the faceplate.
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公开(公告)号：US20240340241A1
公开(公告)日：2024-10-10
申请号：US18131210
申请日：2023-04-05
申请人： Ciena Corporation
发明人： Cengiz Alaettinoglu , Amal Karboubi
IPC分类号： H04L47/125 , H04L45/00 , H04L47/10
CPC分类号： H04L47/125 , H04L45/34 , H04L47/13
摘要： Systems and methods, associated with a Segment Routing network including a plurality of nodes in a ring, include defining a first Flexible Algorithm having one or more first constraints for links in the ring to force traffic to flow in a first direction around the ring; and defining a second Flexible Algorithm having one or more second constraints for of the links in the ring to force traffic to flow in a second direction around the ring. A Path Computation Engine (PCE) is configured to group links on the computed path to the one or more rings, for each ring, determine a direction on an associated ring and assign the grouped links on the associated ring with a Flex-Algo SID for a final node in the determined direction, and provide a SID list that includes the Flex-Algo SIDs for the one or more rings, to a source node in a Segment Routing network.
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公开(公告)号：US20240333397A1
公开(公告)日：2024-10-03
申请号：US18193322
申请日：2023-03-30
申请人： CIENA CORPORATION
IPC分类号： H04B10/61
CPC分类号： H04B10/615 , H04B10/6163
摘要： Aspects of the subject disclosure may include, for example, obtaining a signal received at a coherent optical receiver, and equalizing the signal using a filter system, wherein the filter system includes a first filter that provides a first filtering characteristic, a second filter that provides a second filtering characteristic, and a third filter that provides a third filtering characteristic, wherein an adjustment rate of the first filter and an adjustment rate of the second filter are each at least ten times an adjustment rate of the third filter, and wherein the adjustment rate of the first filter is at least ten times the adjustment rate of the second filter. Other embodiments are disclosed.
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公开(公告)号：US12107775B2
公开(公告)日：2024-10-01
申请号：US15959746
申请日：2018-04-23
申请人： Ciena Corporation
摘要： A modular network element includes one or more lineboxes which are a hybrid between a rack mounted module and a line module which is inserted in a chassis; one or more linebox carriers which are rack mountable and configured to selectively receive the one or more lineboxes and provide power connectors and data connectors thereto; and a core chassis including one or more switch modules, one or more controller modules, and a set of connectors located at the rear for cabling to the power connectors and the data connectors on the one or more linebox carriers.
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公开(公告)号：US12107743B2
公开(公告)日：2024-10-01
申请号：US17403162
申请日：2021-08-16
申请人： Ciena Corporation
发明人： Marc Holness , Kyle Gosselin-Harris , Ravi Halappa
摘要： A network device includes one or more ports that are interfaces configured to communicate with other network devices in a network; and circuitry configured to obtain a plurality of data elements, based on operation of the network device, check a predicate with any of the plurality of data elements, and perform any of, responsive to the predicate, i) stream a first set of one or more of the plurality of data elements to a management system, ii) cease a stream of a second set of one or more of the plurality of data elements, and iii) a combination thereof.
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9.发明授权公开(公告)号：US12107596B2
公开(公告)日：2024-10-01
申请号：US17961845
申请日：2022-10-07
申请人： Ciena Corporation
摘要： A successive approximation register based time-to-digital converter circuit with a time difference amplifier (TDA). A first TDA which applies a gain value to a time difference between a first signal edge and a first delayed signal edge to generate a first amplified time difference signal, which is feedback to the first TDA, a second TDA which applies a gain value to a time difference between a second signal edge and a second delayed signal edge to generate a second amplified time difference signal, which is feedback to the second TDA, and a finite state machine which sets another gain value, for a next step in a N step conversion until N steps are completed, in the first and the second TDAs based on a bit value from a previous step, wherein the bit value indicates, for a step, whether the first or second amplified time difference signal is ahead.
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公开(公告)号：US12101329B2
公开(公告)日：2024-09-24
申请号：US17743753
申请日：2022-05-13
申请人： Ciena Corporation
CPC分类号： H04L63/105 , H04L63/101 , H04L63/1416 , G06N20/00
摘要： Systems and methods include monitoring packets, by a network edge device, from one or more endpoint devices where the packets are destined for corresponding application services in a network; classifying the one or more endpoint devices based on the monitoring into a corresponding trust level of a plurality of trust levels; and, responsive to a first endpoint device of the one or more endpoint devices being untrusted, steering the packets from the first endpoint device into a restricted zone.
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