????????????????????????????17?????20???????????15?30????????????????????"??????????"????????????????????????????4????????
????????????????????????????????????????????????????????????????????????????????????????????????
????????????70%???????????20%??????????????10%?????????TCP-based??????????????UDP-based?????
TCP vs UDP????????
?????VPN?OpenVPN?IPSec?L2TP??????TCP?TCP?????????????????????????????????TCP?????????????ACK??????????????????
????????????????????
TCP???????????Cubic??BBR???????????????????????????????????????????????????????3%-8%?????????TCP????????????30%-40%??????????????????TCP???????????????????
UDP????UDP?????????ACK????????????????????????????????????????"??"?UDP????????????????????????UDP????WireGuard???KTP?????????????????80%???
2025????????TCP-based VPN?UDP-based VPN??????????5%???100ms????????TCP?????????????8???UDP??????2???????????????????
??????????????
??????????????Keepalive?????????????????????????????????????"????"?
?????????????????????
- ????????????????????60???120??????????????????????2-4???????NAT????????????????????
- ?????????5????????????????????????????????????????MB?
- ????????KTP???????????????????30??????????????????10????????????5???????????12?????????????1/10?
???????????FEC????
??TCP????????????????????????????????????????????
FEC?Forward Error Correction???????????????????????????????10??????2??????????????10???????????????????????????????????15%???????????????????FEC???????"?"????
KTP?FEC?????????
- ??????????????20%??????????????????????2%????????5%????????????15%????????30%????????
- ???????Reed-Solomon?????????????R-S????????????????????????????K?????K???????????????
??????15%?????????TCP????????????10Mbps??100Mbps????????KTP?????????72Mbps??????????UDP???TCP???????FEC??????????????
??????????????
?????????????????????????????
- ???????????????????????150+????????????????????????????????3???????????????????????
- BGP???????????????????????????????????????????????????????????????????
- ?????????????70%?????????????????????????????????????????????????
??????????????
?????????????????????????
- ?5-15??????????????????NAT?????????????????????????????????
- ??????8-11????TCP??????????????????????UDP-based?????80%????
- ??WiFi/????????????bug?????????????????????????????
- ?????????????????????????????????????
- ??????????????????????????????????
????????2026?????TCP????????????FEC????UI????????????????????????"????"???????????????
???????????????????????????????80%?????????????????????????????????????????