??VPN?????????? ——?????????????? ????????? ????????????????????????????????????????VPN???????“??”????????????80???????VPN?????????????32%?????“??”??????? ????????????? 1. ??????Tier-3??IDC??????????????1 Gbps????????4K? 2. ???????????????????????“???”?????????? 3. ?QoS???TCP+UDP??????????????????????????????90%? ?????????? ??????… Read More