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Reconfigurable Networking Hardware: A Classroom Tool

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Reconfigurable Networking Hardware: A Classroom ToolPage 11Reconfigurable Networking Hardware: AClassroom ToolMartin CasadoDepartment of Computer ScienceStanford UniversityStanford CA 943059030casado@cs.stanford.eduGreg WatsonDepartment of Electrical EngineeringStanford UniversityStanford CA 943059030gwatson@stanford.eduNick McKeownDepartment of Electrical EngineeringStanford UniversityStanford CA 943059030nickm@stanford.eduAbstractWe present an educational platform for teaching thedesign debugging and deployment of real networking equipmentin the operational Internet. The emphasis of our work is on teaching and therefore on providing an environment that is flexiblerobust low cost and easy to use. The platform is built aroundNetFPGAs custom boards containing eight ethernet ports andtwo FPGAs. NetFPGA boards when used with VNS (Virtual Network System another tool we have developed) can be integratedinto dynamically configurable network topologies reachable fromthe Internet. VNS enables a userspace process running on any remote computer to function as a system controller for the NetFPGAboards. NetFPGA and VNS are used at Stanford in a graduatelevel networking course to teach router implementation in hardware and software.I. INTRODUCTIONMost collegelevel digital design classes still use the microprocessor as a canonical design yet few students go on to design microprocessors after they graduate. Instead an increasing number of our graduates go on to design networking equipment: complex hardwaresoftware systems that must interoperate with existing systems and infrastructure. In general graduating students are illprepared for this task and have little experience with this scale and complexity of project work. And sothe goal of our work is to give students handson experience designing debugging and deploying fullyfunctional networkingequipment and deploying it into the Internet. In this paper wedescribe a lowcost and configurable platform which enablesstudents using ind ...

Source: yuba.stanford.edu

 

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