Collaborative Research: ITR/NGS: Fast Wireless Network Simulation Using Spatio-Temporal Dilations

未来无线网络和服务的设计和开发将需要复杂的模拟和仿真工具，这些工具可以捕获构成多层网络堆栈的协议的规模、复杂性和抽象性，以及无线和有线互联网的异构性-这些工具目前还不存在。未来的仿真策略必须在支持高保真无线建模环境的同时捕捉演进协议的异构性，本方案将建立一个全面的集成协议开发环境（IPDE）来支持无线网络协议的设计和开发。这项工作将使研究人员能够在一个统一的公共域模拟和仿真环境中设计和开发端到端的网络应用程序。该提案中的两个关键创新将使未来无线应用的真实的时间测试和仿真成为可能，包括（i）相对论时间的概念，将虚拟时间的可控性与实时的自然自同步属性相结合，以及（ii）空间缩放，其中系统的各个组件将在不同的空间尺度上操作-从用于互联网骨干的连续流体流动模型，涉及实际路由器中的离散分组数据流-其中整体空间协调以分散的方式发生。IPDE框架的验证将以无线网络调度和控制的多参数自适应算法的设计和部署为形式，通过提供一个集成的框架，用于仿真，硬件仿真和网络协议的直接代码执行，IPDE将使研究人员能够建立大规模的虚拟测试床，验证他们的建模，并设计中间件算法。

The design and development of future wireless networks and services will require sophisticated simulation and emulation tools that captures the scale, complexity, and abstraction of both the protocols that constitute the multi-layered network stack, as well as the heterogeneous nature of the wireless and wired Internet - tools that currently do not exist. Future simulation strategies must capture the heterogeneity of evolving protocols while simultaneously supporting high-fidelity wireless modeling environment.This proposal will build a comprehensive Integrated Protocol Development Environment (IPDE)to support design and development of wireless network protocols. This work will enable researchers to design anddevelop end-to-end network applications in a unified public-domain simulation and emulation environment. Two key innovations in this proposal that will empower real time test and emulation of future wireless applicationsinclude (i) the notion of relativistic time, that integrates the controllability of virtual-time with the natural selfsynchronizing property of real-time, and (ii) spatial scaling, where various components of the system will operate at different spatial scales - ranging from continuous fluid flow models for the Internet backbone, to discrete packet data flows in actual routers - with overall spatial coordination occuring in a decentralized manner. Validation of such an IPDE framework will be in the form of the design and deployment of multiparametric adaptive algorithms for wireless network scheduling and control.By providing an integrated framework for simulation, hardware emulation, and direct code execution of network protocols, the IPDE will enable researchers to setup large scale virtual test-beds, validate their modeling, and design middleware algorithms.