http://www.fomly.cn/20090206/comet_ajax_server_push/
http://www.ibm.com/developerworks/cn/web/wa-lo-comet/
http://www.ibm.com/developerworks/java/library/j-jettydwr/?S_TACT=105AGX52&S_CMP=cn-a-j
http://www.fomly.cn/20090206/comet_ajax_server_push/
http://www.ibm.com/developerworks/cn/web/wa-lo-comet/
http://www.ibm.com/developerworks/java/library/j-jettydwr/?S_TACT=105AGX52&S_CMP=cn-a-j