Mysterious grid computing startup Grid-X is quietly working with the U.S. government to develop a TCP/IP offload engine (TOE) it claims will scale up to 100-Gbit/s Ethernet.

While the firm, based in the Boston area, remains cloaked in secrecy, a source close to the company told Byte and Switch that Grid-X has already lined up beta tests at a U.S. government research lab and a major defense firm.

Don't expect to see many more details anytime soon, though. "Grid-X will be in stealth for a good year," explains the source, who asked not to be named, adding that the firm's TOE technology will be generally available sometime in late 2008.

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— James Rogers, Senior Editor Byte and Switch