Feasibility Analysis for Real-Time Messages over Switched Ethernet

TAN Ming; WEI Zhen; HAN Jiang-hong; ZHONG Bo-cheng

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Feasibility Analysis for Real-Time Messages over Switched Ethernet

更新时间：2026-09-04

- Feasibility Analysis for Real-Time Messages over Switched Ethernet
- Vol. 28, Issue 3, Pages: 51-54(2011)
- 作者机构：
  
  1. 1 合肥工业大学计算机与信息学院,安徽,合肥,230009
  2. 2 合肥学院机构网络与智能信息处理重点实验室,安徽,合肥,230601
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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檀明, 魏臻, 韩江洪, 钟伯成. 交换式以太网实时消息可调度性分析[J]. 微电子学与计算机, 2011, 28(3): 51-54,58.

TAN Ming, WEI Zhen, HAN Jiang-hong, et al. Feasibility Analysis for Real-Time Messages over Switched Ethernet[J]. 2011, 28(3): 51-54.
檀明, 魏臻, 韩江洪, 钟伯成. 交换式以太网实时消息可调度性分析[J]. 微电子学与计算机, 2011, 28(3): 51-54,58. DOI：

TAN Ming, WEI Zhen, HAN Jiang-hong, et al. Feasibility Analysis for Real-Time Messages over Switched Ethernet[J]. 2011, 28(3): 51-54. DOI：

摘要

针对交换式以太网不能满足工业数据通信的实时性要求问题

首先提出了一种改进的

在站点和交换机端均使用EDF算法的消息调度模型

并由源站点和目标站点以分布式方式对实时消息在链路的可调度性进行判定

从而简化了交换机的设计.另外

为保证实时消息在交换式以太网传输的实时性

分别给出了实时消息在发送和接收链路的可调度性判定条件

并进行了相应的理论证明.

Abstract

To overcome the drawback that switched Ethernet can not meet the real-time requirements in industrial communications

an improved message transmission model in which switch and the end-nodes controls the real-time traffic with Earliest Deadline First (EDF) scheduling was proposed. In addition

a distributed feasibility analysis method which is performed by the source and the destination nodes without the modification of the operational features of Ethernet switch was presented. Moreover

a more general condition for feasibility analysis for real-time periodic message over switched Ethernet was given and proved by using real-time theory.

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