Networked embedded systems: a look at the issues, approaches, and trade-offs

Curtis A. Schwaderer

doi:10.1117/12.300877

1 February 1998 Networked embedded systems: a look at the issues, approaches, and trade-offs

Curtis A. Schwaderer

Proceedings Volume 3228, Multimedia Networks: Security, Displays, Terminals, and Gateways; (1998) https://doi.org/10.1117/12.300877
Event: Voice, Video, and Data Communications, 1997, Dallas, TX, United States

Abstract

We are truly in the midst of the "Information Age". Communications equipment range from devices that fit in your pocket to equipment that brings interactive television viewing and the internet to your living room. Market forces on these communication devices are demanding indeed. All communications equipment must be interoperable. Multi-protocol support is required for interoperability with different networks or even different equipment on the same network. Minimizing the ROM and RAM footprint of the devices is essential in order to compete in the marketplace. CPU utilization due to the network protocol stacks must be kept to a minimum, both to allow the lowest cost CPU as well as to maximize CPU availability for multimedia applications. Many of these market forces seem to compete with each other. As we look at various software architecture approaches for these devices, we will uncover inefficiencies and options that create cost, performance, and footprint tradeoffs to the equipment manufacturer. The goal of this paper is to functionally specify a software environment to support the network interface requirements of a networked embedded system. First, the general characteristics of a networked embedded system will be defined. From these characteristics, requirements of a networked embedded system will be identified and potential approaches will be outlined. The potential approaches will then be examined with respect to the tradeoffs to be made in order to fulfill the requirements.

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Curtis A. Schwaderer "Networked embedded systems: a look at the issues, approaches, and trade-offs", Proc. SPIE 3228, Multimedia Networks: Security, Displays, Terminals, and Gateways, (1 February 1998); https://doi.org/10.1117/12.300877

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