Abstract:
Internet routers and firewalls can be enhanced by packetprocessing functions implemented in reconfigurable hardware. Through the development of the the Field Programma-ble Port Extender (FPX), a platform has been built that demonstrate how networking modules can be used for rapid prototype and deployment new features in such hardware. The platform includes high-speed network interfaces, multiple banks of memory, and Field Programmable Gate Array (FPGA) logic. The platform allows reprogrammable hardware modules to be dynamically installed into a router or firewall through the use of full or partial reprogramming of an FPGA. Applications have been developed for the FPX that include Internet packet routing, data queuing, and application-level content modification. These applications have sufficient performance to process packets at the full rate of an Internet backbone. 1.
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