EAGER: Programmable Network Function Instantiation

OpenFlow （OF）协议作为软件定义网络（SDN）范例中的标准正在发展。虽然支持OF的高性能网络设备是可用的，但标准的不断发展意味着用户可能需要增加已部署设备中的可用功能。这种增强可以通过网络处理单元（NPU）或基于pc的解决方案来执行。虽然全球网络创新环境（GENI）的网络配置算法能够设置OF电路，但它们目前不具备插入npu或其他功能增强手段的能力。该项目提供了一个使用npu提供高级网络功能的框架，并具体展示了如何在ExoGENI机架中使用Cavium网络处理单元来提供高速高级处理功能。该项目将提供挂钩，允许在npu上实现新功能，从而在of标准不断发展的情况下继续使用旧的of交换机。

The OpenFlow (OF) protocol is evolving as a standard in the software-defined networking (SDN) paradigm. While high performance networking equipment with OF support is available, continued evolution of the standard means that users may need to augment the functions available in deployed equipment. This augmentation may be performed by network processing units (NPU), or by PC-based solutions. While the network provisioning algorithms for the Global Environment for Network Innovation (GENI) are able to set up OF circuits, they do not currently have the capability of inserting NPUs or other means of function augmentation. This project provides a framework for delivering advanced network functions using NPUs and specifically shows how to use the Cavium network processing unit in ExoGENI racks to provide advanced processing functions at high speed.The project will provide hooks for enabling the continued use of older OF switches in the face of continued evolution of the OF standard by allowing newer functions to be implemented on NPUs.