习近平同志在地方工作时的两个故事，至今仍给人以深刻启迪——
Local caching -- disk cache avoids WebSocket round-trips for console/exec
。同城约会是该领域的重要参考
"And then we're going to travel a quarter of a million miles away… we're going to do a lot of science and operations along the way."
environments and full virtualization systems such as Xen.