Product 
Terminology
| English | Chinese | Description |
|---|---|---|
| VPN | Virtual Private Network | Private network communication is achieved by establishment of tunnels among public networks, which is commonly applicable to intranet communication among enterprises' branches and between branches and headquarters by two main modes, namely, Site-To-Site and Point-To-Site |
| IKE | Internet Key Exchange | SA is used in Stage 1 of VPN tunnel negotiation process to create IPsec negotiation in Stage 2, and IKE v1 and IKE v2 are supported. For more information, refer to RFC 2409, RFC 4306 and other references |
| IPsec | Internet Protocol Security | Private connection shall be negotiated and established between cloud and client, and IP grouping shall be encrypted and verified so as to protect VPN data transmission security. For more information, please refer to RFC 4301, RFC 4309 and other references |
| Site-To-Site VPN | Site-To-Site VPN | VPN tunnels shall be established between two VPN gateways. Internal network instances behind the gateways can carry out intranet intercommunication through VPN gateway, which is applicable to access to the intranet between data centers, between offices, or between data center and office. This VPN type is supported by JD Cloud & AI |
| Point-To-Site VPN | Point-To-Site VPN | VPN tunnels shall be established between terminal device and VPN gateway, so that the terminal device can access the intranet via the VPN gateway, and the devices like PCs, mobile phones and tablet PCs can access the intranet |
| VPN Connection | VPN Connection | A collection of multiple VPN tunnels established between a pairs of cloud public network IP and client public network IP |
| VPN Tunnel | VPN Tunnel | A VPN tunnel established between a cloud public Network IP and a client public Network IP, which is used to carry business traffic |
| BGP | Border Gateway Protocol | Border Gateway Protocol is a dynamic route protocol, which can dynamically adjust the routing clauses published on cloud and client with EBGP Routing Protocol being operated between cloud and client |
| Route-Based VPN | Route-Based VPN | VPN gateway itself exerts no restriction on intranet segments interconnecting two ends but can solely control segments’ connectivity by virtue of route |
| Policy-Based VPN | Policy-Based VPN | Intranet segments allowed by the two ends for interconnection shall be configured on the VPN gateway, and only the data packet matching the policy can be communicated through the VPN tunnel |
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