VPC (Virtual Private Cloud)

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Independent Virtual Network in Cloud Environment

VPC service offers logically separated private network space dedicated to customers in the cloud. Create a local subnet for communication between regular subnet and server. Various networks can be configured using NAT gateways and Internet gateways. Multiple VPCs can be created and operated independently, and connected to one another using VPC peering.

Overview

  • Secure Virtual Network Environment

    The service provides completely independent virtual networks in cloud environments, as well as user-defined firewall and log management functions in all zones connected to VPCs. Uses can safely implement independent network environments in the cloud.

  • Convenient Network Configuration and Control

    Private IP-based communications among VPCs are enabled with VPC peering. The network configuration is convenient with free choices among NAT and Internet gateways. Firewall and log management features are available by connection zone and users can easily control traffic using routing setting.

  • Diverse Subnet Options

    Subnet options are specified into regular subnets and local subnets for inter-server communications in order to configure networks in the VPC as per purpose. Virtual IPs are also available to allow users to designate a private IP within the subnet for a variety of server configuration.

  • Efficient Network Operation

    Networks of diverse requirements, including Internet connection and customer’s internal network connection, are logically configured to enable more cost-efficient operation compared to high-cost physical network infrastructure. VPCs without Internet connection may also access Object Storage for efficient storage of large-capacity data.

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Service Architecture

  • Project
    VPC1
    Internet → Internet Gateway → Firewall → router (vpc peering with vpc2's router) → Private Subnet
    Virtual IP - VM, VM ... → Local Subnet
    Internet → Internet Gateway → NAT Gateway → Public Subnet
    Virtual IP - VM, VM ... → Local Subnet
    VPC2
    Customer Network → Direct Connect → Firewall → router (vpc peering with vpc1's router) → Private Subnet
    Virtual IP - VM, VM ... → Local Subnet
    Customer Network → Direct Connect → Firewall → router (vpc peering with vpc1's router) → Public Subnet
    Virtual IP - VM, VM ... → Local Subnet
    VPC2 - endpoint - private path - router - scp service [object storage, file storage(new), dns, container registry]
※Features of VPC Peering to be provided in 2025

Key Features

  • VPC and subnet creation
    1. Regular subnets, local subnets(between virtual servers) and VPC endpoint subnets available according to purpose
    2. Reserve private IP in the subnet using virtual IP
  • Provide public IP
    1. Use a static public IP and view public IP use list
  • Networking function
    1. NAT Gateway : For Internet connection of Virtual Server without a public IP, map to the outbound traffic of the subnet using the representative public IP
    2. Internet Gateway : Uplink Internet connections to enable Internet communications of VPCs
    3. VPC Peering : 1:1 private IP communications among VPCs(To be provided in 2025)
    4. Endpoint : By creating a private connection, it serves as a VPC entry point for accessing Samsung Cloud Platform from an external network connected to VPC
    5. Private NAT gateway : Use Direct Connect in compute resources in VPC to map and connect IPs in customer's network

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