ping 丢包率

http://it.rising.com.cn/use/software/2011-03-17/9086.html
http://www.yongfa365.com/Item/PingZongShiDiuBaoDeYuanYinGuZhangPaiChuSiLuJieJueFangFa.html
http://www.360doc.com/content/11/1116/16/7242176_164841543.shtml
http://www.360doc.com/content/11/1205/22/7242176_169967430.shtml
http://www.360doc.com/content/11/0905/08/7242176_145859106.shtml
服务器丢包率测试
http://biancheng.dnbcw.info/c/349967.html
http://blog.csdn.net/laizhenhai88/article/details/8047509
http://bbs.d.163.com/thread-171937718-2-1.html
http://www.doc88.com/p-771445647047.html
http://www.java3z.com/cwbwebhome/article/article8/81176.html
http://hi.baidu.com/dqqgtymgmfbntuq/item/667b5be0ce5c4bc0baf37de9
http://stackoverflow.com/questions/6523730/problem-in-getting-url-getcontent
http://www.myexception.cn/android/397043.html
http://www.pubyun.com/blog/deveops/%E7%BD%91%E7%BB%9C%E8%B4%A8%E9%87%8F%E6%8C%87%E6%A0%87%E5%8F%8A%E6%B5%8B%E8%AF%95%E5%B7%A5%E5%85%B7iperf/