VPC (Virtual Private Cloud)

Independent Virtual Network Space

VPC service offers logically separated virtual network space in the cloud. Multiple VPC can be created according to purposes and operated independently from other user groups. Standard VPC allows both the Internet and internal network connections, whereas Dedicated VPC is reserved for the customer’s internal network access.




Service Architecture

  • Internet → NAT → Security Group for VPC → Security Group for VM : Subnet - VM, VM ... / Security Group for VM - 고객 Subnet : VM, VM ... → Standard VPC
  • Internet → NAT → Security Group for VPC → Direct Connect → Customer’s Internal Network → NAT → Security Group for VPC → Security Group form VM : Customer’s Subnet - VM, VM ... / Security Group for VM : Customer’s Subnet - VM, VM ... → Dedicated VPC

Key Features

  • VPC creation

    - Standard VPC : Standard offering (Internet connection and customer’s internal network via Direct Connect)
    - Dedicated VPC : Specialized offering for the customer (no Internet connection; customer’s internal network only)
    - NAT (Network Address Translation) is provided for Internet communications of resources within Standard VPC (use Direct Connect or communicate without NAT on internal network of Dedicated VPC)

  • Subnet creation

    - Create a subnet, the smallest logical network group, within VPC (verify and cross-check IP block validity)
    - When creating a subnet, a public IP registered in NAT table can be selected after registered as an Reserved IP
    - Communications among subnets within VPC is available without additional setting

  • IP address assignment

    - Automatically assign with DHCP method; fixed IP may be selected if needed
    - Standard VPC is available for both private IP offered by Samsung SDS (192.168.X.X) and designated IPs of customers
    - Dedicated VPC may only use designated private IP of customers


    • Billing
    • Charge for outbound Internet traffic generated in VPC (TBD)
    • Charge by hour for using reserved IPs that are reserved for static public IP addresses
    • Metering
    • Estimate accumulated outbound Internet traffic generated in VPC in GB (TBD)
    • Estimate accumulated time of use (by minute) from requesting to cancelling reserved IPs
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