CN115777184A - 一种数据重传方法和装置 - Google Patents

一种数据重传方法和装置 Download PDF

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Publication number
CN115777184A
CN115777184A CN202080102459.6A CN202080102459A CN115777184A CN 115777184 A CN115777184 A CN 115777184A CN 202080102459 A CN202080102459 A CN 202080102459A CN 115777184 A CN115777184 A CN 115777184A
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CN
China
Prior art keywords
flit
data packet
type
retransmission
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202080102459.6A
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English (en)
Inventor
何涛
于东浩
兰可嘉
李瑛�
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of CN115777184A publication Critical patent/CN115777184A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1628—List acknowledgements, i.e. the acknowledgement message consisting of a list of identifiers, e.g. of sequence numbers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1874—Buffer management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1887—Scheduling and prioritising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0061—Error detection codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1848—Time-out mechanisms

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Communication Control (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

本申请实施例提供一种数据重传方法和装置，涉及终端软件领域，能够对多种数据类型的数据包进行重传。其方法为：发送端接收重传请求，重传请求包括待重传的第一个微片的序列号；发送端根据待重传的第一个微片的序列号读取重传缓存中的数据并进行重传，重传缓存中包括至少两种类型的数据包的微片，至少两种类型的数据包的重传方式不同。本申请实施例应用于链路层的数据传输场景。

Description

PCT国内申请，说明书已公开。

Claims (30)

  1. PCT国内申请，权利要求书已公开。
CN202080102459.6A 2020-06-29 2020-06-29 一种数据重传方法和装置 Pending CN115777184A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/099035 WO2022000208A1 (zh) 2020-06-29 2020-06-29 一种数据重传方法和装置

Publications (1)

Publication Number Publication Date
CN115777184A true CN115777184A (zh) 2023-03-10

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CN202080102459.6A Pending CN115777184A (zh) 2020-06-29 2020-06-29 一种数据重传方法和装置

Country Status (4)

Country Link
US (1) US20230261795A1 (zh)
EP (1) EP4167542A4 (zh)
CN (1) CN115777184A (zh)
WO (1) WO2022000208A1 (zh)

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CN117579226A (zh) * 2023-11-22 2024-02-20 无锡众星微系统技术有限公司 一种基于ib流控包的链路重传方法和装置
CN117792571A (zh) * 2023-12-15 2024-03-29 无锡众星微系统技术有限公司 一种ib网络链路层的报文重传方法和装置
CN117792571B (zh) * 2023-12-15 2024-06-11 无锡众星微系统技术有限公司 一种ib网络链路层的报文重传方法和装置

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CN101753388A (zh) * 2008-11-28 2010-06-23 中国科学院微电子研究所 适用于多核处理器片上和片间扩展的路由及接口装置
US20150163170A1 (en) * 2013-12-06 2015-06-11 Mark S. Birrittella Link transfer, bit error detection and link retry using flit bundles asynchronous to link fabric packets
CN106487673A (zh) * 2016-12-08 2017-03-08 北京时代民芯科技有限公司 一种基于三模冗余的检错重传容错路由单元
CN107682118A (zh) * 2017-09-22 2018-02-09 北京时代民芯科技有限公司 一种基于双模冗余的NoC纠检错重传容错方法
CN108401291A (zh) * 2017-02-06 2018-08-14 华为技术有限公司 数据传输的方法和装置
CN110431872A (zh) * 2017-07-27 2019-11-08 Oppo广东移动通信有限公司 传输数据的方法、终端设备和网络设备

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US9552253B2 (en) * 2014-09-24 2017-01-24 Intel Corporation Probabilistic flit error checking
US10284335B2 (en) * 2017-02-22 2019-05-07 International Business Machines Corporation Error detection for wormhole routing
US11249837B2 (en) * 2019-03-01 2022-02-15 Intel Corporation Flit-based parallel-forward error correction and parity

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US20150163170A1 (en) * 2013-12-06 2015-06-11 Mark S. Birrittella Link transfer, bit error detection and link retry using flit bundles asynchronous to link fabric packets
CN106487673A (zh) * 2016-12-08 2017-03-08 北京时代民芯科技有限公司 一种基于三模冗余的检错重传容错路由单元
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CN110431872A (zh) * 2017-07-27 2019-11-08 Oppo广东移动通信有限公司 传输数据的方法、终端设备和网络设备
CN107682118A (zh) * 2017-09-22 2018-02-09 北京时代民芯科技有限公司 一种基于双模冗余的NoC纠检错重传容错方法

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117579226A (zh) * 2023-11-22 2024-02-20 无锡众星微系统技术有限公司 一种基于ib流控包的链路重传方法和装置
CN117792571A (zh) * 2023-12-15 2024-03-29 无锡众星微系统技术有限公司 一种ib网络链路层的报文重传方法和装置
CN117792571B (zh) * 2023-12-15 2024-06-11 无锡众星微系统技术有限公司 一种ib网络链路层的报文重传方法和装置

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EP4167542A1 (en) 2023-04-19
US20230261795A1 (en) 2023-08-17
EP4167542A4 (en) 2023-07-05
WO2022000208A1 (zh) 2022-01-06

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