Router WAN Instance Server 1 On-premise AWS VGW Router WAN Instance Server 4 Direct Connect (Private VIF) DXGW VPC VPC On-premise AWS IPsec TGW Router WAN Instance Server 3 Direct Connect (Transit VIF) DXGW VPC Virtual Appliance Direct Connect (Private VIF) DXGW On-premise AWS TGW Router WAN Instance Server 2 VPC Direct Connect (Transit VIF) DXGW On-premise AWS VGW Router WAN Instance Server 5 Direct Connect (Private VIF) DXGW VPC On-premise AWS VGW Router WAN Instance Server 6 Direct Connect (Private VIF) DXGW VPC Site-to-Site VPN Router WAN Direct Connect Site-to-Site VPN トラフィック DX接続/回線 VPN