WO2021169289A1 - Procédé et dispositif de liaison pour un groupe ethernet flexible, et support de stockage lisible par ordinateur - Google Patents

Procédé et dispositif de liaison pour un groupe ethernet flexible, et support de stockage lisible par ordinateur Download PDF

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Publication number
WO2021169289A1
WO2021169289A1 PCT/CN2020/118574 CN2020118574W WO2021169289A1 WO 2021169289 A1 WO2021169289 A1 WO 2021169289A1 CN 2020118574 W CN2020118574 W CN 2020118574W WO 2021169289 A1 WO2021169289 A1 WO 2021169289A1
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Prior art keywords
transmission delay
interface
compensation
service
service interface
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PCT/CN2020/118574
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English (en)
Chinese (zh)
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周明
贾建超
劳汝健
乐伟军
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华为技术有限公司
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/25—Routing or path finding in a switch fabric
    • H04L49/253—Routing or path finding in a switch fabric using establishment or release of connections between ports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/35—Switches specially adapted for specific applications
    • H04L49/351—Switches specially adapted for specific applications for local area network [LAN], e.g. Ethernet switches

Definitions

  • the basic function of FlexE technology is to map the service streams of M FlexE clients to a FlexE network group composed of N PHY links according to FlexE shim's time division multiplexing (TDM) mechanism, M and N All are positive integers.
  • TDM time division multiplexing
  • the embodiments of the present application provide a method, device, and computer-readable storage medium for binding a flexible Ethernet group, so as to adjust the flexible Ethernet group without affecting services.
  • the transmission delay compensation component includes a loopback fiber, and the transmission delay compensation component is connected through the compensation interface to perform transmission delay compensation, including: increasing the transmission link length of the data stream through the loopback fiber connected to the compensation interface , In order to compensate for the transmission delay, the length of the loopback fiber is obtained based on the size of the transmission delay to be compensated and the transmission delay of the unit length of the fiber.
  • the compensation interface includes at least one of a newly added interface on the network device and a service interface whose service is not full.
  • the network device further includes a selector corresponding to the target service interface, the target service interface is at least one of the at least two service interfaces to be bound, and the at least two service interfaces to be bound correspond to After the physical layer link is bound to the flexible Ethernet group, it also includes: in response to the target service interface not being configured to the compensation interface, selecting the data stream transmitted by the target service interface through the selector; or, in response to the target service interface being configured to the compensation interface Interface, select the data stream transmitted by the compensation interface configured by the target service interface through the selector.
  • the network device is a data stream sending end or a data stream receiving end.
  • the determining module is configured to: in response to the detected transmission delay difference having at least one transmission delay difference greater than the target specification, determine the transmission delay in the two service interfaces corresponding to the transmission delay difference greater than the target specification For a service interface with a small time value, the target specification is the maximum transmission delay difference tolerated by the network device.
  • the compensation module is configured to configure the service interface with a small transmission delay value to the compensation interface, and perform transmission delay compensation through the compensation interface.
  • the binding module is used for: in response to the transmission delay difference between the transmission delay value of the first service interface and the transmission delay value of any one of the second service interfaces being not greater than the target specification, the at least two waiting
  • the physical layer links corresponding to the bound service interfaces are bound to the flexible Ethernet group.
  • the compensation interface is connected with a transmission delay compensation component, and the compensation module is configured to configure the service interface with a small transmission delay value to the compensation interface, and the transmission connected through the compensation interface
  • the delay compensation component performs transmission delay compensation.
  • the transmission delay compensation component includes a loopback board, and the compensation module is configured to buffer the data stream through the loopback board connected to the compensation interface for transmission delay compensation.
  • the time for the rebate board to cache the data stream is obtained based on the product of the read-write address difference and the working frequency of the asynchronous processing cache clock.
  • the network device further includes a selector corresponding to a target service interface, where the target service interface is at least one of the at least two service interfaces to be bound, and the apparatus further includes:
  • the selection module is configured to select the data stream transmitted by the target service interface through the selector in response to that the target service interface is not configured to the compensation interface; or, in response to the target service interface being configured to the compensation interface, through the selector
  • the selector selects the data stream transmitted by the compensation interface configured by the target service interface.
  • the memory may be integrated with the processor, or the memory and the processor may be provided separately.
  • FIG. 8 is an engineering view of a loop back plate provided by an embodiment of the application.
  • FIG. 10 is a schematic structural diagram of fiber compensation at the transmitting end according to an embodiment of the application.
  • the FlexE protocol defines an intermediate adaptation layer (shim) between the media access control (mediam access control, MAC) and the physical coding sublayer (PCS) on the basis of the IEEE802.3 protocol.
  • each 100G PHY corresponds to 20 time slots corresponding to 64B/66B code blocks, and each code block corresponds to a payload of 5Gbps rate. Rate (payload rate).
  • the current FlexE standard supports FlexE on 100GE, 200GE, 400GE, and 50GE interfaces.
  • the schematic diagram of the insertion of the FlexE overhead frame on the PHY is shown in Figure 2.
  • each block is a 64B/66B block encoded (encoded) according to IEEE 802.3 Clause 82. Every 20 blocks form a time slot table (calendar), and each block is one of the TDM mapping mechanisms. Time slot.
  • the FlexE shim corresponding to each PHY in the FlexE Group will identify the special sequence corresponding to the first 66-bit block in the FlexE overhead frame. If N consecutive times, every (1023*20+1 66bit)*8 block If the same special sequence can be found, the locking of the FlexE overhead frame is completed.
  • the logical unit length of Calendar is 20*m time slots. 20*m time slots are allocated to m ETH PHYs, and the sub-calendar length of each ETH PHY is 20.
  • the sub-calendar length of PHY A, PHY B, PHY C, and PHY D is 20.
  • the binding implementation environment of the flexible Ethernet group is shown in FIG. 5.
  • the number of the multiple service interfaces is 4, and the PHYs corresponding to the 4 service ports are bound to form a FlexE group; each service interface is connected
  • the maximum transmission delay difference (skew) caused by the length difference of the 4 fibers may exceed the target specification of the FlexE single board, that is, the maximum transmission delay difference (skew) caused by the length difference of the 4 fibers may be Exceeds the maximum transmission delay difference that the FlexE board can tolerate.
  • buffers can be used on the receiving end to alleviate the transmission delay skew of different PHY links.
  • the greater the transmission delay skew of different PHY links the larger the buffer buffer capacity required by the receiving end. The bigger.
  • the link skew value is greater than the maximum depth of the buffer, the FlexEgroup binding service cannot be restored normally at the receiving end.
  • the fiber resources may have been arranged.
  • the physical layer link corresponding to each service interface has its own transmission delay.
  • one of the service interfaces is used as the first service interface.
  • the business interfaces other than the first business interface among the business interfaces to be bound are called the second business interface.
  • the manner of detecting the transmission delay difference between the transmission delay value of the first service interface and the transmission delay value of any second service interface is not limited in the embodiment of the present application.
  • the overhead frame may be detected directly according to each service interface. The time difference is used to determine the transmission delay difference between the transmission delay value of the first service interface and the transmission delay value of any second service interface.
  • the method of detecting the transmission delay difference between the transmission delay value of the first service interface and the transmission delay value of any second service interface may also be: the network device detects each service interface The transmission delay of the corresponding physical layer link determines the transmission delay value corresponding to each service interface; then, the difference is calculated by comparing the transmission delay value of the first service interface with the transmission delay value of any second service interface By calculation, the transmission delay difference between the transmission delay value of the first service interface and the transmission delay value of any second service interface can be obtained.
  • the transmission delay difference AB between the transmission delay value of service interface A and the transmission delay value of service interface B 12.5 ⁇ s; between the transmission delay value of service interface A and the transmission delay value of service interface C
  • the target specification is 10 ⁇ s, which is the maximum transmission tolerated by the network equipment
  • the delay difference is 10 ⁇ s as an example, each calculated transmission delay difference is compared with the target specification, and it is determined that the transmission delay difference AB is greater than the target specification.
  • each transmission delay difference is not greater than the target specification, that is, each transmission delay difference is not greater than the tolerance of the network device If the maximum transmission delay is poor, multiple service interfaces to be bound can be directly bound to a flexible Ethernet group. If any transmission delay difference is greater than the target specification, the following step 602 is executed.
  • the target specification is the maximum transmission delay difference tolerated by the network device.
  • the transmission delay difference detected by the network device is at least one. If there is a transmission delay difference greater than the target specification in the detected transmission delay difference, in order to subsequently implement time slot alignment at the receiving end, transmission delay compensation can be started. Also, because the transmission delay difference is calculated from the transmission delays corresponding to the two service interfaces, before starting the transmission delay compensation, first determine the two service interfaces corresponding to the transmission delay difference greater than the target specification, and compare the two The business interface with a small transmission delay value among the business interfaces is used as the compensation object.
  • the number of transmission delay differences greater than the target specification is also different. Because one transmission delay difference corresponds to two service interfaces, the two service interfaces are a group. If there is a transmission delay difference greater than the target specification, the determined compensation object is a service interface in a group of business interfaces; if there are more than two transmission delay differences greater than the target specification, it corresponds to more than two sets of service interfaces , In each group of service interfaces of the two or more service interfaces, respectively determine the service interface with a small transmission delay value.
  • the method provided in the embodiment of the present application adopts the transmission delay of the service interface with a small transmission delay value.
  • Time compensation is used to reduce the transmission delay difference between the transmission delay value of the service interface and the transmission delay value of other service interfaces.
  • the embodiment of the present application does not limit this. Since the structure and function of the network equipment have been determined after leaving the factory, if the transmission delay compensation is realized by increasing the buffer, the structure of the network equipment needs to be changed, which will increase a certain cost.
  • a compensation interface can be set on the network device, and the compensation interface can be started when transmission delay compensation is needed.
  • Some peripherals that can increase the transmission delay can be connected through the compensation interface, for example, The compensation interface is connected to the transmission delay compensation component and so on. Since there is no need to make additional modifications to the network device in the subsequent, it is possible to realize transmission delay compensation without increasing the cost of the network device while reducing the cache requirement of the network device. Since the function of the compensation interface is to realize transmission delay compensation, the compensation interface can be a newly added interface on the network device, which is activated during transmission delay compensation. In an exemplary embodiment, in addition to being a newly added interface on the network device, the compensation interface may also be a service interface whose service is not full.
  • the data flow from the service interface with a small transmission delay value to the compensation interface works in clock and data recovery (CDR) mode.
  • CDR clock and data recovery
  • the data flow from the business interface to the compensation interface needs to work in CDR mode.
  • the business interface is connected to a serializer/deserializer (SDS). After receiving the data, pass The SDS (Serdes) connected to the compensation interface is sent out synchronously across asynchronous processing.
  • SDS serializer/deserializer
  • the SDS system shown in FIG. 7 is connected between the service interface and the compensation interface.
  • One SDS in the SDS system is connected to the business interface, and the other SDS is connected to the compensation interface.
  • From the service interface to the compensation interface side of the data flow direction (upstream direction) use an SDS of the service interface to recover the clock, for example, use an analog phase-locked loop (APLL) to track the recovery clock on the service interface side, and then The tracked clock is used as the reference clock of the phase-locked loop (PLL) of the SDS on the compensation interface side to achieve the purpose of tracking the clock source of the upstream data stream.
  • APLL analog phase-locked loop
  • PLL phase-locked loop
  • the compensation interface is connected with a transmission delay compensation component, the service interface with a small transmission delay value is configured to the compensation interface, and the transmission delay compensation is performed through the compensation interface, including: Configure the service interface with a small transmission delay value to the compensation interface, and perform transmission delay compensation through the transmission delay compensation component connected to the compensation interface.
  • the type of the transmission delay compensation component the embodiment of the present application does not limit it, including but not limited to the following two types:
  • the transmission delay of the service interface with a small transmission delay value is increased, thereby reducing the transmission delay. Time difference, so that the adjusted transmission delay difference is not greater than the target specification.
  • each service interface that needs to compensate for the transmission delay can be configured to a different compensation interface according to the process described below in the above type 1.
  • the length of the loopback fiber connected to the interface can be determined according to the size of the transmission delay that needs to be compensated for the service interface connected to the compensation interface. If the transmission delay difference between a first service interface and at least two second service interfaces is greater than the target specification, and the first service interfaces are all service interfaces with a small transmission delay value, then there is no need to The service interface repeatedly compensates for multiple transmission delays, but based on the largest transmission delay difference in the transmission delay difference between the first service interface and at least two second service interfaces, the first service interface is Transmission delay compensation is sufficient.
  • the transmission delay compensation component includes a loop back plate.
  • the transmission delay difference between the first service interface and any second service interface can be checked again.
  • the physical layer links corresponding to each service interface are bound to the flexible Ethernet group to improve the binding success Rate.
  • the number of selectors included in the network device is not limited in this embodiment of the application.
  • the corresponding selector can be configured for the business interface configured to the compensation interface, or the selector can be configured for all business interfaces.
  • the network device is the data stream receiving end, and the optical fiber compensation method is used to realize the transmission delay compensation
  • the fiber length of PHY A# is 10km
  • the fiber delay is 50 ⁇ s
  • the fiber length of PHY B# is 8km
  • the fiber delay value is 40 ⁇ s
  • the fiber length of PHYC# is 10.5km
  • the fiber delay value is 52.5 ⁇ s
  • the fiber length of PHY D# is 11km
  • the fiber delay value is 55 ⁇ s.
  • MUX multiplexer
  • the network device is the data stream sending end, and the optical fiber compensation method is used to realize the transmission delay compensation
  • the service interface corresponding to this PHY B# is configured to the compensation interface, and the delay is increased by connecting a certain length of optical fiber outside the compensation interface, thereby reducing skew.
  • the fiber length of PHY A# is 10km
  • the fiber delay is 50 ⁇ s
  • the fiber length of PHY B# is 8km
  • the fiber delay value is 40 ⁇ s
  • the fiber length of PHYC# is 10.5km
  • the fiber delay value is 52.5 ⁇ s
  • the fiber length of PHY D# is 11km
  • the fiber delay value is 55 ⁇ s.
  • the maximum skew supported by the device that is, the target specification is 10 ⁇ s
  • the maximum delay skew between PHYs exceeds the target specification of the device.
  • configure the service interface corresponding to PHY B# to compensation interface 2# that is, configure the data stream of PHY B# to compensation interface 2#.
  • an external 1km fiber is connected to the compensation interface 2#, and a delay of 5 ⁇ s is added to the data stream transmitted on PHY B#. After the data stream of PHY B# is output from the shim layer, it is transmitted to the corresponding PHY B# after the compensation interface and loopback fiber, so that the maximum skew between PHYs can meet the target specifications of the device.
  • MUX multiplexer
  • the method of the embodiment of the present application may also be implemented in the manner of a loop back plate, as described in the following scenario 3.
  • the loop rebate board implements buffering of the data stream through the FPGA.
  • the FPGA works in CDR mode.
  • the SDS on the left is the SDS interconnection from the FlexE board to the loop rebate board
  • the SDS on the right side is the SDS interconnection from the loop rebate board to the FlexE board.
  • the effect of adjusting the delay is achieved by controlling the buffer depth in the asynchronous processing in Figure 7.
  • the PHY skew detection unit shown in FIG. 11 detects the skew between the first service interface and each second service interface. If the skew between the first service interface and each second service interface is not greater than the maximum skew tolerated by the device, that is, the target specification, each PHY is directly bound by FlexE group.
  • the fiber delay value is 50 ⁇ s
  • the fiber length of PHY B# is 11km
  • the fiber delay value is 55 ⁇ s
  • the fiber length of PHYC# is 10.5km
  • the fiber delay value is 52.5 ⁇ s
  • the fiber delay value is 52.5 ⁇ s.
  • the length of the optical fiber is 14 km
  • the optical fiber delay value is 70 ⁇ s.
  • the embodiment of the present application provides a flexible Ethernet group binding device, which is applied to a network device and can perform the flexible Ethernet group binding method shown in FIG. 6 above.
  • the network device includes at least two service interfaces to be bound, and one service interface corresponds to at least one physical layer link.
  • the device includes:
  • the detection module 1201 is configured to detect the transmission delay difference between the transmission delay value of the first service interface and the transmission delay value of any one of the second service interfaces, and the first service interface is at least two service interfaces to be bound
  • the transmission delay value of the first service interface is used as the reference transmission delay value
  • the second service interface is the service interface other than the first service interface among the at least two service interfaces to be bound; for example, the The detection module 1201 can be used to execute the related content of step 601 shown in FIG. 6 above.
  • the determining module 1202 is configured to determine the transmission delay in the two service interfaces corresponding to the transmission delay difference greater than the target specification in response to at least one transmission delay difference greater than the target specification in the detected transmission delay difference
  • the target specification is the maximum transmission delay difference tolerated by the network device; for example, the determining module 1202 can be used to execute the related content of step 602 shown in FIG. 6 above.
  • the compensation module 1203 is configured to configure the service interface with a small transmission delay value to the compensation interface, and perform transmission delay compensation through the compensation interface; for example, the compensation module 1203 can be used to execute the related content of step 603 shown in FIG. 6 above.
  • the compensation interface is connected with a transmission delay compensation component
  • the compensation module 1203 is configured to configure a service interface with a small transmission delay value to the compensation interface, and perform transmission delay through the transmission delay compensation component connected to the compensation interface. Time compensation.
  • the transmission delay compensation component includes a loopback fiber, and a compensation module 1203 is used to increase the transmission link length of the data stream through the loopback fiber connected to the compensation interface to perform transmission delay compensation.
  • the length of is obtained based on the size of the transmission delay to be compensated and the transmission delay of the unit length of the optical fiber.
  • the transmission delay compensation component includes a loopback board, and the compensation module 1203 is used to buffer the data stream through the loopback board connected to the compensation interface for transmission delay compensation.
  • the loopback board controls the data stream. The duration of caching is obtained based on the product of the difference between the read and write addresses and the operating frequency of the asynchronous processing cache clock.
  • the data flow from the service interface with the small transmission delay value to the compensation interface works in the clock and data recovery mode.
  • CDR clock and data recovery mode
  • the compensation interface includes at least one of a newly added interface on the network device and a service interface whose service is not full. For example, refer to the related description of the compensation interface below step 603 in FIG. 6 above.
  • the selection module is used to select the data stream transmitted by the target service interface through the selector in response to the target service interface not being configured to the compensation interface; or, in response to the target service interface being configured to the compensation interface, select the configuration by the target service interface through the selector
  • the data stream transmitted to the compensation interface For example, refer to the related description of selecting a data stream under step 604 in FIG. 6 above.
  • an embodiment of the present application provides a network device 1000.
  • the network device includes: at least two service interfaces 1003 to be bound, a memory 1001, and a processor 1002, and one service interface 1003 corresponds to at least one physical layer link.
  • the memory 1001, the processor 1002, and the interface 1003 are connected by a bus 1004.
  • a computer program or at least one instruction is stored in the memory 1001, and the computer program or at least one instruction is loaded and executed by the processor 1002 to implement any one of the aforementioned flexible Ethernet group binding methods.
  • the service interface 1003 is used to communicate with other devices in the network.
  • the service interface 1003 may be implemented in a wireless or wired manner.
  • the service interface 1003 may be a network card.
  • the network device 1000 can communicate with the server through the service interface 1003.
  • FIG. 13 only shows a simplified design of the network device 1000.
  • the network device 1000 may include any number of interfaces, processors or memories.
  • the above-mentioned processor may be a central processing unit (CPU), other general-purpose processors, digital signal processing (DSP), application specific integrated circuit (ASIC), Field-programmable gate array (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, etc.
  • the general-purpose processor may be a microprocessor or any conventional processor. It is worth noting that the processor may be a processor that supports an advanced reduced instruction set machine (advanced RISC machines, ARM) architecture.
  • static random access memory static random access memory
  • dynamic random access memory dynamic random access memory
  • DRAM dynamic random access memory
  • SDRAM synchronous dynamic random access memory
  • double data rate synchronous dynamic random access Memory double data date SDRAM, DDR SDRAM
  • enhanced synchronous dynamic random access memory enhanced SDRAM, ESDRAM
  • serial link DRAM SLDRAM
  • direct memory bus random access memory direct rambus RAM
  • a computer-readable storage medium is also provided, and a computer program or at least one instruction is stored in the storage medium.
  • the computer program or instruction is loaded and executed by a processor to implement the flexible Ethernet group binding method described above.
  • This application provides a computer program.
  • the processor or the computer can execute the corresponding operations and/or procedures in the above method embodiments.
  • a communication device which includes a transceiver, a memory, and a processor.
  • the transceiver, the memory, and the processor communicate with each other through an internal connection path, the memory is used to store instructions, and the processor is used to execute the instructions stored in the memory to control the transceiver to receive signals and control the transceiver to send signals And when the processor executes the instructions stored in the memory, the processor is caused to execute the method in any one of the possible implementation manners of the first aspect.
  • a chip including a processor, configured to call and execute instructions stored in the memory from a memory, so that a communication device installed with the chip executes the method described in any one of the above-mentioned first aspects.
  • Another chip including: an input interface, an output interface, a processor, and a memory.
  • the input interface, output interface, the processor, and the memory are connected through an internal connection path, and the processor is used to execute all When the code in the memory is executed, the processor is used to execute any one of the methods of the first aspect.
  • the computer program product includes one or more computer instructions.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.
  • the computer instructions may be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • the computer instructions may be transmitted from a website, computer, server, or data center.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or a data center integrated with one or more available media.
  • the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, and a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state disk).

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Abstract

La présente invention concerne un procédé et un dispositif de liaison pour un groupe Ethernet flexible, et un support de stockage lisible par ordinateur. Le procédé consiste : à détecter la différence de retard de transmission entre une valeur de retard de transmission d'une première interface de service et une valeur de retard de transmission de n'importe quelle seconde interface de service parmi au moins deux interfaces de service devant être liées, la seconde interface de service étant une interface de service autre que la première interface de service parmi les au moins deux interfaces de service devant être liées ; parmi deux interfaces de service correspondant à une différence de retard de transmission supérieure à une spécification cible, à déterminer l'interface de service ayant la plus petite valeur de retard de transmission ; à configurer l'interface de service ayant la plus petite valeur de retard de transmission à une interface de compensation pour une compensation de retard de transmission ; et en réponse au fait que les différences de retard de transmission entre la valeur de retard de transmission de la première interface de service et celle de n'importe quelle seconde interface de service ne sont pas pas supérieures à la spécification cible, à lier les liaisons de couche physique correspondant auxdites au moins deux interfaces de service devant être liées à un groupe Ethernet flexible. Au moyen de la compensation de retard de transmission, le taux de réussite de liaison d'un groupe Ethernet flexible est amélioré.
PCT/CN2020/118574 2020-02-29 2020-09-28 Procédé et dispositif de liaison pour un groupe ethernet flexible, et support de stockage lisible par ordinateur WO2021169289A1 (fr)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113783604A (zh) * 2021-09-09 2021-12-10 中国科学院微小卫星创新研究院 地面无法更新时隙表时导航星座时隙表的确定和使用方法
CN114422069A (zh) * 2022-01-04 2022-04-29 烽火通信科技股份有限公司 FlexE业务的时延处理方法、装置、设备及存储介质

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117837201A (zh) * 2022-08-03 2024-04-05 北京小米移动软件有限公司 多流同步门限处理方法以及装置、通信设备及存储介质
CN116896436B (zh) * 2023-09-11 2024-02-09 之江实验室 基于改进差分进化算法的灵活以太网时隙分配方法及装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108449166A (zh) * 2017-02-16 2018-08-24 华为技术有限公司 一种FlexE中的数据转发方法及网络设备
EP3531588A1 (fr) * 2016-11-15 2019-08-28 Huawei Technologies Co., Ltd. Procédé et dispositif de construction de groupe ethernet flexible
CN110224949A (zh) * 2018-03-01 2019-09-10 中兴通讯股份有限公司 一种灵活以太网设备端口绑定的方法及装置、路径建立方法及装置
CN110650002A (zh) * 2018-06-26 2020-01-03 华为技术有限公司 一种FlexE组中PHY的调整方法、相关设备及存储介质

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3531588A1 (fr) * 2016-11-15 2019-08-28 Huawei Technologies Co., Ltd. Procédé et dispositif de construction de groupe ethernet flexible
CN108449166A (zh) * 2017-02-16 2018-08-24 华为技术有限公司 一种FlexE中的数据转发方法及网络设备
CN110224949A (zh) * 2018-03-01 2019-09-10 中兴通讯股份有限公司 一种灵活以太网设备端口绑定的方法及装置、路径建立方法及装置
CN110650002A (zh) * 2018-06-26 2020-01-03 华为技术有限公司 一种FlexE组中PHY的调整方法、相关设备及存储介质

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EIRA, ANTONIO ET AL.: "On the Efficiency of Flexible Ethernet Client Architectures in Optical Transport Networks [Invited]", IEEE/OSA JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING, vol. 10, no. 1, 30 January 2018 (2018-01-30), XP011676410, DOI: 10.1364/JOCN.10.00A133 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113783604A (zh) * 2021-09-09 2021-12-10 中国科学院微小卫星创新研究院 地面无法更新时隙表时导航星座时隙表的确定和使用方法
CN114422069A (zh) * 2022-01-04 2022-04-29 烽火通信科技股份有限公司 FlexE业务的时延处理方法、装置、设备及存储介质
CN114422069B (zh) * 2022-01-04 2023-12-05 烽火通信科技股份有限公司 FlexE业务的时延处理方法、装置、设备及存储介质

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