MRI: The Development of ViNI: Virtualized Network Infrastructure

该项目旨在发展互联网以应对新的威胁，适应新兴的应用和技术，并促进网络在整个物理世界的传播，旨在开发一个虚拟网络基础设施(VINI)，以应对当今互联网面临的许多挑战。在25年的时间里，互联网已经从一个默默无闻的研究机构发展成为国家通信基础设施的关键部分。要理解这种转变的重要性，请回想一下互联网核心路由算法中的一个漏洞给的数千人带来的不便，以及2003年的SQLSLAMER攻击，导致商业航空公司的航班停飞，导致数千台ATM机瘫痪，造成约10亿美元的损失。随着我们对互联网的依赖越来越大，风险和机会也在增加。因此，我们必须应对新的威胁，适应新兴的应用程序和技术，并促进网络在整个物理工作中的传播，这正是本工作解决的目标。仪器必须满足以下要求。Vini必须通过一个与真实世界条件密切相关的实验环境来提供现实主义。-实验必须能够访问真实的网络拓扑、高速转发引擎、真实用户和大量实际流量，以及在相对较小的时间尺度上分配的专用链路带宽和节点资源(CPU、内存、磁盘)。-通过使复制特定研究条件成为可能，让实验者能够控制他们的实验。研究人员需要工具来轻松地指定和启动实验，并以可预测的方式注入网络事件(例如，故障、分组丢失)。-在同一硬件上运行的多个同时实验之间共享。Vini的起点PlanetLab通过在一个虚拟机上运行每个实验来支持多个同步实验，其虚拟化需要扩展以支持Vini的目标和要求。此外，必须对IP地址块等新资源进行全局管理。因此，为了应对当今互联网面临的挑战，此试验性基础设施必须协调这些非正交要求，以最大限度地提高启用的网络研究的价值。Vini被认为是下一代互联网的缩影。

This project, evolving the Internet to address new threats, accommodating emerging applications and technologies, and fostering the spread of the network throughout the physical world, aims at developing a Virtualized Network Infrastructure (ViNI) responding to the many challenges faced by today's Internet. In 25 years, the Internet has moved from an obscure research facility, to a critical piece of the national communication infrastructure. To appreciate the significance of this transformation, recall that a bug in the Internet' core routing algorithm inconvenienced several thousands in 1989 and the SQL slammer attack in 2003 grounded commercial airline flights, brought down thousands of ATM machines, and caused damages of approximately $1 billion dollars. As our dependence on the Internet grows, so do both risks and opportunities. Hence, it is imperative that we address new threats, accommodate emerging applications and technologies, and foster the spread of the network throughout the physical work, precisely the goals addressed by this work. The instrument must meet the following requirements. ViNI must-Provide realism through an experimental environment that reflects closely real-world conditions. -Experiments must have access to realistic network topologies, high-speed forwaring engines, real users, and high volumes of real traffic, and dedicated link bandwidth and node resources (CPU, memory, disk) allocated on relatively small time scales.-Give experimenters control over their experiments by making it possible to replicate specific conditions for study. Researchers need tools to easily specify and start experiments, and to inject network events (e.g., failures, packet loss) in a predictable fashion.-Be shared among multiple simultaneous experiments running on the same hardware. PlanetLab, the starting point of ViNI, supports multiple simultaneous experiments by running each in a virtual machine and its virtualization needs to be extended to support the goals and requirements of ViNI. Moreover, new resources, such as IP address blocks, must be globally managed.Hence, to address the challenges that face the Internet today, this experimental infrastructure must reconcile these non-orthogonal requirements to maximize the value of the enabled networking research. ViNI is envisioned serving as a microcosm for the next generation Internet.