---
title: "Virtual Private Cloud (VPC) glossary"
slug: "vpc-glossary-vpc"
tags: ["VPC"]
updated: 2026-09-17T09:17:45Z
published: 2026-09-17T09:17:45Z
canonical: "guide.ncloud-docs.com/vpc-glossary-vpc"
stale: true
---

> ## Documentation Index
> Fetch the complete documentation index at: https://guide.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Virtual Private Cloud (VPC) glossary

Available in VPC

You must become familiar with a few terms to use VPC. The glossary and its description are as follows:

### ACG (Access Control Group)

A stateful-based firewall service that controls and manages network access between servers

### Internet Gateway

A connection point between a subnet and the Internet, enabling Internet access for Public subnets linked to an Internet gateway

### NAT Gateway

A connection point used by a private subnet with limited Internet access to communicate with the outside world, minimizing the exposure of the IP address

### Network ACL (Network Access Control List)

A stateless service that controls network access between subnets

### Route Table

Routing rule data that defines network routes by entering destinations and targets

### Subnet

A network area that is subdivided for a specific purpose within an assigned VPC and can be assigned a network address from /16 to 28

### Virtual Private Gateway

A secure connection point between a VPC and an external network device to improve availability when connecting to a customer's on-premises environment

### VPC

A service that provides a completely logically separate, customer-only network in the public cloud with IP network space up to /16 (IP band: RFC 1918)

### VPC Peering

A private connection service with other VPCs that provides one-way communication

### Private Link

Connects the customer's VPC and various services as a private network Creates an endpoint interface to connect with an endpoint service

              Note

              

For more information on terms, see [Glossary](https://www.ncloud.com/guideCenter/glossary) on NAVER Cloud Platform portal.