CSR-EHCS(EHS), TM: Virtual Execution Environments for Wireless Sensor Networks

无线传感器网络(WSN)承诺随时随地提供有关物理世界的信息，其时空分辨率在几年前是无法想象的。然而，无线传感器网络的开发工具仍然明显不足；它们出了名的不稳定，难以在运行时进行调试、重新编程或配置。这些问题促使无线传感器网络领域对虚拟执行环境(VEE)的需求。VEE是位于硬件层之上并在运行时修改本机二进制可执行文件的执行行为的软件系统。VEE被设计为在执行期间对程序二进制文件执行操作，例如程序引导、执行分析、动态重新编程和调试。这项研究的总体目标是探索、设计、实施和评估无线传感器网络领域的VES。本项目考虑三种基本的VEE架构：基于注入、基于翻译和基于口译的VEE。这项研究的一个关键方面是重新审视传统VEE的基本设计决策，使其在传感器节点有限的资源配置文件下运行。这项研究的结果将使传感器网络应用的快速和稳健开发变得更容易，从而有助于将这一有前途的技术过渡到主流。

Wireless sensor nets (WSNs) promise anytime/anywhere information about the physical world with a spatio-temporal resolution that was unimaginable just a few years ago. However, development tools for WSNs are still conspicuously inadequate; they are notoriously unstable and difficult to debug, reprogram, or profile at run-time.These problems motivate the need for virtual execution environments (VEEs) in the WSN domain. A VEE is a software system that sits above the hardware layer and modifies the execution behavior of a native binary executable at run time. VEEs are designed to perform operations on a program binary during execution, such as program shepherding, execution profiling, dynamic reprogramming, and debugging. The overall goal of this research is to explore, design, implement, and evaluate VEEs for the WSN domain. This project considers three basic VEE architectures: injection-based, translation-based, and interpretation-based VEEs. A key aspect of this research is to revisit fundamental design decisions of conventional VEEs to make them operate with the limited resource profiles of sensor nodes. The results of this research will make it easier to quickly and robustly develop sensor network applications, thereby helping to transition this promising technology into the mainstream.