changes !

hi
i was just reading andrew tanenbaum’s book ( computer networks ) , found some fantastic sentence on Chap.5 page 422; the main topic was all about virtual circuites . he said :
… Then with the rapid acceptance of the Internet, datagrams became fashionable. However, it would be a mistake to think that datagrams are forever. [...]

IBM’s Roadrunner Supercomputer Sets World-Record Speed

Beep beep! Sorry BlueGene , but your time is done, finished . now you’re second in List of World’s Most Powerful Supercomputers .
IBM made another big supercomputer which called it roadrunner … .
roadrunner is the world’s first hybrid supercomputer has broken through the “petaflop barrier” of 1,000 trillion operations per second, according to [...]