IT??????????????????
???????????? ???????[ 2012/11/6 11:08:57 ] ????????
?????????????????IT??????????????????????????????????????????????????????????????????????????????????????????????些????伞?
?????????const????寮�??????
const????寮�??????????纾篶onst int i???????????i???????
const?????????????????????????
??些????????????????????????贸???????婊�????????????谩?
?????????static??const???????
???????????200??100????????????????????
?????????200?????????100??????????????????????????????????????????
????????????????????????????200????????????????????100?????????
???杩�??????x???????????? x + x/2 + x/4 + ...?????????????????????50%.???????????????????????????????50%???????????
?????????????????????渭??????????
????????200?????????200+100??????????????????? 200/300 = 67%.
?????????tcp?????????????accept???????????????????危?
accept?????????????????
??????????????????syn??(syn=j)??????????
???????????????????syn???????????????SYN??ack=j+1?????????????????ASK????ask=k????
???????????????????????????SYN??ACK???????????????????ACK(ack=k+1)??
?????????????????????????????tcp???????????????accept?????????????
???????????UDP协????????????????????????????
??UDP协??????????????????????????????
???????????????胁????????ID??????timestamp?????????int??
???????????????????ID????????????????
???????????????ID??????????????????
????????????????????????????????????????????????????????????????????????????????????????????????????路?????危???????????????
??????????????????????????
???????????????????????????????????????ID????????????ID???????????????????????屑??渭???????????????写????????????????????????????????????
????? 3600*24 = 86400??
????????????86400??????????int delta[86400]???????????????????????浠�????????????????????????????????????????0??
??????味???????????????????????????????????????????1???????????????????????1??
?????????????????写娲�??????械??????浠�?????
????????????????86400??????????int online_num[86400]???????????????????????????????
???杩�??????????????0?????1???????online_num[0] = delta[0]????n+1???????online_num[n] = online_num[n-1] + delta[n]??
????????????????????????????????
???????????10G?????????????
???????????? 10G ???????????????校?????????位???????????? 2G??
????????10G????????64bit???
2G????????256M??64bit??????
????????64bit???????????????256M??????围????2G?????????????围????????????????????????????????10G?????????????????????????围??????????????围?????????????????????
????????????围????????????????????????????围????????????????????????????????围???????????????????????????????????????围??畏??????小???围??256M=2^28??????????3?慰???????围??小??1????????????????
??????

???路???
??????????????????
2023/3/23 14:23:39???写?貌??????????
2023/3/22 16:17:39????????????????????些??
2022/6/14 16:14:27??????????????????????????
2021/10/18 15:37:44???????????????
2021/9/17 15:19:29???路???????路
2021/9/14 15:42:25?????????????
2021/5/28 17:25:47??????APP??????????
2021/5/8 17:01:11