TCP加速机制是如何加速的？
- 2019 年 10 月 3 日
- 筆記
?????TCP???
TCP????????????????????????
????????TCP?????
1????TCP??????????????????????
2???web??????????????????????????????
3???????????????????????
?????????????1
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???????????????36000??????????????????????????0.27??30???/???????????????????
??????????????????????????????500ms?????????600ms-800ms?????
????????500ms????????????TCP????????????????????????????30%-40%???10Mbps?????????3Mbps-4Mbps?????????
?????TCP???
???TCP??????????????????????????????RFC 3135
??????????TCP???? + ????
TCP?????TCP????????
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?????????????????????TCP????TCP????TCP??????????????????????????
???1????????????TCP???????????????????????????????????????TCP????
2?TCP???????????????????????????????????????????TCP?????TCP???????????????????
????
???????????????????????Server??????????????????????????????
?????????tcp???????????????????tcp????????
???????????????????????????????
??????????TCP??????????????
?????????
???????????????????????????????
?????????????????????????????????
?????
?????TCP????????TCP????????????TCP?????????????????????????????????????????
?????HTTP?????????????
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??????????TCP???????????RFC3135
????????? ???TCP??????RFC 3135??
????????????
RFC 3135 ???????PEP??TCP?????
1?TCP ACK??? TCP PEP ??TCP ACK??
2?TCP ACK??? ACK???????????TCP???
3???TCP??? PEP???TCP????PEP????
4???TCP????????TCP PEP??????????????????
5?TCP ACK??????????????ACK???????????????ACK?????????????????
6??????????????????????????????????????PEP???????????????????? ???????UDP???????
7?????????????????????
8????TCP????????TCP????????????????????????TCP?????
9???????????????????????????????????????????????????????
10??????????UDP?????????????????PEP??????????????????????
