Architecture for Internal Communication in Multi-gigabit IP Routers

The IP packets from a source are suitably forwarded by the routers along the path(s) to the destination. The packets destined to the routers themselves are called non-forwarding packets, and their processing is crucial to the overall speed of IP routers. An architecture is proposed here for efficiently handling the non-forwarding packets for high-speed routers. This architecture includes the Inter-Processor Communication Message Protocol for internal communication needed within the router for distributed processing of the nonforwarded packets. Our implementation results show that this architecture improves the processing speed by 10% as compared to the existing mechanism based on UDP/IP.

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