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CN111201728A - 光网络中数据传输方法及光网络设备 - Google Patents

光网络中数据传输方法及光网络设备 Download PDF

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Publication number
CN111201728A
CN111201728A CN201880065536.8A CN201880065536A CN111201728A CN 111201728 A CN111201728 A CN 111201728A CN 201880065536 A CN201880065536 A CN 201880065536A CN 111201728 A CN111201728 A CN 111201728A
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China
Prior art keywords
service data
optical
data stream
synchronization information
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CN201880065536.8A
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CN111201728B (zh
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苏伟
吴秋游
向俊凌
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0075—Arrangements for synchronising receiver with transmitter with photonic or optical means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H04J3/1605—Fixed allocated frame structures
    • H04J3/1652—Optical Transport Network [OTN]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27—Arrangements for networking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0647—Synchronisation among TDM nodes
    • H04J3/065—Synchronisation among TDM nodes using timestamps
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/085—Access point devices with remote components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0028—Local loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0073—Services, e.g. multimedia, GOS, QOS
    • H04J2203/0075—Connection-oriented
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0073—Services, e.g. multimedia, GOS, QOS
    • H04J2203/0082—Interaction of SDH with non-ATM protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0658—Clock or time synchronisation among packet nodes
    • H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
    • H04J3/0667—Bidirectional timestamps, e.g. NTP or PTP for compensation of clock drift and for compensation of propagation delays

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Computing Systems (AREA)
  • Electromagnetism (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Optical Communication System (AREA)

Abstract

本申请提供一种光网络中数据传输方法及光网络设备，该方法包括：第一设备从第一业务数据流中获取第一同步信息，并确定待传输业务数据流；根据所述第一同步信息生成第二同步信息；将所述第二同步信息和所述待传输业务数据流映射至光承载容器；发送所述光承载容器。第二设备接收光承载容器，从所述光承载容器中解映射第二业务数据流和第三同步信息，根据所述第三同步信息生成第四同步信息；将所述第四同步信息插入所述第二业务数据流，得到第三业务数据流。从而实现了时间同步精度的提高。

Description

PCT国内申请，说明书已公开。

Claims (36)

  1. PCT国内申请，权利要求书已公开。
CN201880065536.8A 2017-10-09 2018-01-10 光网络中数据传输方法及光网络设备 Active CN111201728B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
PCT/CN2017/105306 WO2019071369A1 (zh) 2017-10-09 2017-10-09 光网络中数据传输方法及光网络设备
CNPCT/CN2017/105306 2017-10-09
PCT/CN2018/072144 WO2019071870A1 (zh) 2017-10-09 2018-01-10 光网络中数据传输方法及光网络设备

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CN111201728A true CN111201728A (zh) 2020-05-26
CN111201728B CN111201728B (zh) 2022-11-04

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US (1) US11082199B2 (zh)
EP (1) EP3687088B1 (zh)
CN (1) CN111201728B (zh)
WO (2) WO2019071369A1 (zh)

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CN114245241A (zh) * 2021-12-22 2022-03-25 烽火通信科技股份有限公司 一种延时自适应的bmp映射实现方法及系统
CN114531424A (zh) * 2020-10-31 2022-05-24 华为技术有限公司 业务数据传输方法、通信网络、业务接收设备及存储介质

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CN112511915A (zh) * 2020-02-28 2021-03-16 中兴通讯股份有限公司 光传送网中业务处理方法、处理装置和电子设备
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US11234163B1 (en) * 2020-09-18 2022-01-25 Nokia Solutions And Networks Oy Dynamic eCPRI header compression
CN115118371A (zh) * 2021-03-18 2022-09-27 华为技术有限公司 光网络中以太数据处理的方法、装置以及系统
US12111681B2 (en) 2021-05-06 2024-10-08 Mellanox Technologies, Ltd. Network adapter providing isolated self-contained time services
CN115733891A (zh) * 2021-08-26 2023-03-03 深圳市中兴微电子技术有限公司 前传报文处理方法及装置、前传接口、通信设备、介质
US12028155B2 (en) * 2021-11-24 2024-07-02 Mellanox Technologies, Ltd. Controller which adjusts clock frequency based on received symbol rate
US11907754B2 (en) 2021-12-14 2024-02-20 Mellanox Technologies, Ltd. System to trigger time-dependent action
US11835999B2 (en) 2022-01-18 2023-12-05 Mellanox Technologies, Ltd. Controller which adjusts clock frequency based on received symbol rate
CN114629589B (zh) * 2022-03-21 2024-09-20 新华三半导体技术有限公司 一种数据处理装置及方法
US12294469B2 (en) 2022-05-12 2025-05-06 Mellanox Technologies, Ltd Boundary clock synchronized loop
US12095506B2 (en) * 2022-06-28 2024-09-17 Ciena Corporation Time-sliced GMP mapping with modified sigma-delta mapping function
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US12289388B2 (en) 2022-07-20 2025-04-29 Mellanox Technologies, Ltd Syntonization through physical layer of interconnects
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US12375199B2 (en) 2022-12-19 2025-07-29 Mellanox Technologies, Ltd Hybrid clock synchronization
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US12289389B2 (en) 2023-08-13 2025-04-29 Mellanox Technologies, Ltd. Physical layer syntonization using digitally controlled oscillator
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CN114531424A (zh) * 2020-10-31 2022-05-24 华为技术有限公司 业务数据传输方法、通信网络、业务接收设备及存储介质
CN114531424B (zh) * 2020-10-31 2023-11-10 华为技术有限公司 业务数据传输方法、通信网络、业务接收设备及存储介质
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Publication number Publication date
EP3687088A4 (en) 2020-11-18
US20200235905A1 (en) 2020-07-23
US11082199B2 (en) 2021-08-03
EP3687088A1 (en) 2020-07-29
WO2019071369A1 (zh) 2019-04-18
CN111201728B (zh) 2022-11-04
EP3687088B1 (en) 2025-03-26
WO2019071870A1 (zh) 2019-04-18

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