MRI: Development of an Always-Available Testbed for Underwater Networking Research

提案编号：CNS 08- 21750 PI（s）：Ye，Wei Heidemann，John S.; Mitra，Urbashi机构：南加州大学洛杉矶分校，CA 90089- 1147职称： MRI/器械：Dev.该项目旨在开发一种水下网络测试平台仪器（DATURN），该仪器将始终可用，并可通过互联网远程访问，作为社区共享的基础设施，旨在支持整个网络堆栈的研究。该测试床满足了研究人员在MAC协议、网络和应用领域对算法和实验进行频繁迭代的需要。计划使用两种声音调制解调器，以便以后添加外部用户的调制解调器。虽然固定的测试平台不能代表所有类型的声学信道，但支持不同和未来调制解调器的能力使研究人员能够探索声学信道如何影响上层，并比较不同调制解调器上的协议。一个可插拔的软件架构的设想允许算法被丢弃到现有的协议栈和重用组件的研究重点之外。将为不同的层和至少一个参考协议定义标准API;将在每一层提供实现，例如，允许具有新传输协议的研究人员利用其他研究人员提供的路由或MAC协议。随着时间的推移，将建立一个协议库，以便对替代品进行比较研究。目前，缺乏通用的方法来评估和比较协议。由于目前还没有达成共识的分析和仿真模型，该项目提供了一个更好的实验工具，使社区合作，协议比较，并通过实验迭代和研究人员迭代重用以前的工作。更广泛的影响：该项目提供了一个必要的基础设施，水下网络社区，很可能会反弹，有利于社会整体。测试台仪器的始终在线性质也可以产生重大的教育影响。目前，学生只能进行偶尔部署的实验。因此，该项目将加速水下网络的研究和教育。

Proposal #: CNS 08-21750PI(s): Ye, Wei Heidemann, John S.; Mitra, UrbashiInstitution: University of Southern California Los Angeles, CA 90089-1147Title: MRI/Dev.: Dev. of An Always-Available Testbed for Underwater Networking ResearchProject Proposed:This project, developing an underwater networking testbed instrument (DATURN) that will be always-available and remotely accessible through Internet as a shared infrastructure for the community, aims at supporting research across the whole network stack. The testbed satisfies the need for frequent iteration on algorithms and experiments required by researchers in the areas of MAC protocols, networking, and applications. Two kinds of acoustic modems are planned allowing future modems from external users to be added later. Although the fixed testbed cannot represent all kinds of acoustic channels, the capability to support different and future modems enables researchers to explore how the acoustic channel affects upper layers and to compare protocols over different modems. A pluggable software architecture is envisioned permitting algorithms to be dropped into an existing protocol stack and reuse components that are outside the research focus. Standard APIs will be defined for different layers and at least one reference protocol; implementation will be provided at each layer, allowing, for example, a researcher with a new transport protocol to leverage routing or MAC protocols contributed by other researchers. A library of protocols will be built over time, enabling comparative study of alternatives. At present there is lack of common means to evaluate and compare protocols. Since no consensus currently exists on analytic and simulation models, this project provides a better experimental tool that enables community collaboration, protocol comparison, and reuse of prior work through experimental iteration and researcher iteration.Broader Impacts:This project provides an essential infrastructure to the underwater networking community that is likely to rebound in benefit to society overall. The always-on nature of the testbed instrument also enables significant educational impact. At present, students can only carry experiments on occasional deployments. Hence, this project will accelerate research and education in underwater networking.