ULTRA project is R&D project for developing very powerful IP traffic engineering system for astronomy data. In Interop Tokyo 2013 ORC, ULTRA project announced the 2nd generation IP router system, "Renjyaku". It has over 100Gbps IP forwarding capability with 7.9usec low latency forwarding architecture.
This system is based on Intel SandyBridge-E micro architecture and offloaded TCP/IP stack on Linux kernel to 10GbE NIC.