This topic describes the terms about VPCs.
|Virtual Private Cloud (VPC)||A VPC is a private network established in Alibaba Cloud. VPCs are logically isolated from each other. You can create and manage cloud resources in your VPC, such as ECS, SLB, and RDS.|
|VSwitch||A VSwitch is a basic network device that connect different cloud resources in a VPC. When you create a cloud resource in a VPC, you must specify the VSwitch to which the cloud resource is connected.|
|VRouter||A VRouter is a hub that connects all VSwitches in a VPC and serves as a gateway that connects the VPC to other networks. A VRouter also forwards network traffic according to the route entries in its route table.|
|Route Table||A route table is a list of route entries in a VRouter.|
|Route Entry||Each item in a route table is a route entry. A route entry specifies the next hop address for the network traffic directed to a destination CIDR block. Route entries are divided into system route entries and custom route entries.|