An IEEE1394-based real-time distributed IPC system for collaborating TMO's

Ninth IEEE International Symposium on Object and Component-Oriented Real-Time Distributed Computing (ISORC'06) Pub Date : 2006-04-24 DOI:10.1109/ISORC.2006.15

J. Son, Sang Hyun Park, Jung-Guk Kim, Moon-hae Kim

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引用次数: 1

Abstract

The TMO (time-triggered message-triggered object) model is a well-known real-time object model for distributed timeliness computing. In a couple of years ago, we developed a Linux-based real-time kernel, named TMO-Linux, supporting deadline driven executions of TMO's. TMO-Linux and its distributed IPC subsystem have been used well in developing networked control systems consisting of cooperating embedded devices, but there have difficulties in executing some TMO applications accurately due to the lack of timeliness in distributed communications. To overcome this problem, we newly developed a real-time distributed IPC over IEEE1394 for the TMO-Linux kernel. In the new system, predictable delivery services for real-time messages are provided by isochronous transmissions of IEEE1394. To implement predictable delivery services, each node is set to have its own isochronous channel for receiving data that is allocated to a fixed time-slot bandwidth in an IEEE1394 frame. This paper presents an implementation technique for the IEEE1394-based real-time distributed IPC and collaborations of computing nodes using TMO-Linux

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基于ieee1394的实时分布式IPC系统，用于TMO的协作

TMO(时间触发消息触发对象)模型是一种众所周知的用于分布式时效性计算的实时对象模型。几年前，我们开发了一个基于linux的实时内核，名为TMO- linux，它支持TMO的截止日期驱动执行。TMO- linux及其分布式IPC子系统在开发由协作嵌入式设备组成的网络控制系统中得到了很好的应用，但由于分布式通信的时效性不足，一些TMO应用程序难以准确执行。为了克服这个问题，我们为TMO-Linux内核开发了一个基于IEEE1394的实时分布式IPC。在新系统中，IEEE1394的同步传输为实时消息提供了可预测的传递服务。为了实现可预测的交付服务，每个节点都被设置为具有自己的同步通道，用于接收在IEEE1394帧中分配给固定时隙带宽的数据。本文提出了一种基于ieee1394的计算节点实时分布式IPC和协作的TMO-Linux实现技术

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Ninth IEEE International Symposium on Object and Component-Oriented Real-Time Distributed Computing (ISORC'06)

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