?????y?屨???????????????????У?????????ν????????
??????????????????????豸?????????????λ?????????????????????????·???????John Matherly?????????????“ping”?????????е?IP??“???”????顣???????12??С?????????????????
??ping???????????IP???飺???????

2016??
??ping???????????IP???飺???????

2014??
??????????????????????????????“ping”??????????IP?????????????????ЩIP?????????·????????????????????????豸????????????￡?????豸????“ping”?????????
???????????IP???ping???????5??С??????????????????????12??С???
???????2014??????????????????????μ???????2014???????????????????????????????????????????Щ?仯??