2016年7月25日
Keepalive
摘要： https://en.wikipedia.org/wiki/Keepalive Description A keepalive signal is often sent at predefined intervals, and plays an important role on the Inter 阅读全文
posted @ 2016-07-25 16:45 ChuckLu 阅读(443) 评论(0) 推荐(0) 编辑