Glossary of terms
Virtual Private Cloud (VPC) is a logically isolated section of a cloud provider’s network, dedicated to a specific customer. It allows organizations to provision and manage resources in a virtual network environment, providing an additional layer of security and control over network configurations.
A Virtual Private Cloud (VPC) is a virtual network environment within a public cloud infrastructure that provides customers with a logically isolated and dedicated networking space. It allows organizations to launch and manage various cloud resources, such as virtual machines, databases, and storage, in a secure and controlled manner.
1. Isolation: VPCs are logically isolated from other virtual networks within the cloud provider’s infrastructure, ensuring network traffic separation and enhanced security.
2. Subnet management: VPCs can be divided into multiple subnets, allowing organizations to segment their resources based on security requirements, application tiers, or other criteria.
3. IP address management: Organizations can assign IP addresses from a range of private IP addresses or bring their own public IP addresses to use within their VPC.
4. Network gateways: VPCs typically provide various network gateways, such as Internet Gateways (IGW) for internet access, Virtual Private Gateways (VPG) for site-to-site VPN connections, and Network Address Translation (NAT) Gateways for outbound internet access.
5. Security groups and network access control lists (NACLs): VPCs offer security groups, which act as virtual firewalls at the instance level, and NACLs, which provide an additional layer of security at the subnet level.
6. Route tables: VPCs have route tables that control the flow of network traffic within the VPC and between the VPC and other networks.
7. Peering: VPCs can be peered with other VPCs or on-premises data centers, enabling secure communication and resource sharing between different environments.
8. Service integration: VPCs provide seamless integration with various cloud services offered by the provider, such as load balancers, databases, and content delivery networks.
The scope of a VPC can vary depending on the organization’s requirements and the cloud provider’s offerings. Generally, a VPC is designed to provide a secure and isolated environment for deploying and managing cloud resources within a specific region or multiple regions of a cloud provider’s infrastructure. It enables organizations to extend their existing on-premises networks into the cloud, simplifying cloud adoption and enabling hybrid cloud architectures.
In summary, a Virtual Private Cloud (VPC) is a fundamental component of cloud computing, offering organizations a secure and isolated virtual network environment within a public cloud infrastructure. It provides the necessary controls, security features, and network isolation to manage cloud resources effectively while maintaining compliance and security requirements.
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