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Virtual Private Gateway vs. Transit Gateway: Know the Difference

Shumaila Saeed
By Shumaila Saeed || Published on January 12, 2024
Virtual Private Gateway (VPG) connects a private network to AWS VPCs; Transit Gateway (TGW) connects multiple VPCs and networks through a central hub.
Virtual Private Gateway vs. Transit Gateway

Key Differences

A Virtual Private Gateway is primarily used to establish a secure VPN connection between an on-premises network and AWS VPCs. In contrast, a Transit Gateway acts as a network transit hub to connect multiple VPCs, on-premises networks, and other Transit Gateways.
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Shumaila Saeed
Jan 12, 2024
VPGs are designed for single VPC connections, limiting scalability. TGWs offer a more scalable solution by allowing connections to multiple VPCs and networks, reducing complexity and overhead.
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Jan 12, 2024
In network architecture, a VPG is attached to a single VPC, simplifying VPN connections. A TGW, however, simplifies the network architecture by reducing the number of necessary connections, centralizing network management.
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Jan 12, 2024
VPGs are ideal for simpler, one-to-one network connections. TGWs are more suited for complex networking scenarios involving numerous VPCs and on-premises networks, providing a unified control point.
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Shumaila Saeed
Jan 12, 2024
While VPGs provide secure connections to a VPC, TGWs offer both secure connections and advanced routing capabilities across multiple connected networks, enhancing network management and security.
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Comparison Chart

Primary Use

Secure VPN connection between one VPC and on-premises network.
Connects multiple VPCs and networks through a central hub.
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Jan 12, 2024

Scalability

Limited to single VPC connections.
Highly scalable for multiple network connections.
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Network Architecture

Simplifies VPN connections for a single VPC.
Simplifies management by centralizing connections.
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Ideal Use Case

Best for one-to-one network connections.
Suited for complex, multi-VPC and network scenarios.
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Additional Capabilities

Provides secure connection to a VPC.
Offers secure connections and advanced routing options.
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Virtual Private Gateway and Transit Gateway Definitions

Virtual Private Gateway

Acts as the VPN concentrator on the Amazon side of a VPN connection.
The IT team configured the VPG for the VPN tunnel.
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Dec 20, 2023

Transit Gateway

Centralizes connections and routing for various networks.
The Transit Gateway simplified our network routing and connections.
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Dec 20, 2023

Virtual Private Gateway

A network gateway offering secure data transfer.
The Virtual Private Gateway ensures secure transmission of sensitive information.
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Dec 20, 2023

Transit Gateway

An AWS service for interconnecting various networks.
Our AWS setup leverages a Transit Gateway for efficient network management.
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Dec 20, 2023

Virtual Private Gateway

A gateway connecting AWS VPCs to on-premises networks.
They set up a Virtual Private Gateway to secure their cloud data.
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Transit Gateway

Enables scalable network architecture in cloud environments.
To handle our growing network demands, we utilized a Transit Gateway.
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Dec 20, 2023

Virtual Private Gateway

An Amazon Web Services component for secure network bridging.
Our AWS architecture includes a Virtual Private Gateway for enhanced security.
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Dec 20, 2023

Transit Gateway

A network transit hub connecting multiple VPCs and networks.
The company implemented a Transit Gateway to streamline their network infrastructure.
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Dec 20, 2023

Virtual Private Gateway

Facilitates private connectivity between AWS and on-premises.
We used a VPG to privately connect our data center to the cloud.
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Dec 20, 2023

Transit Gateway

Streamlines network connectivity and management in complex scenarios.
Adopting a Transit Gateway significantly improved our network efficiency.
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Dec 20, 2023

Repeatedly Asked Queries

How does a VPG work?

It connects an on-premises network to a cloud network via VPN or Direct Connect, enabling secure data transfer.
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Jan 12, 2024

Is a VPG used for cloud-to-cloud connections?

No, it's primarily for connecting external networks to a cloud network.
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Jan 12, 2024

What is a Virtual Private Gateway (VPG)?

A VPG is a network gateway on a cloud platform that allows secure communication between a cloud network and external networks.
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Jan 12, 2024

Does a VPG provide encryption?

Yes, when configured with VPN, it encrypts data in transit.
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Do I need a VPG for public cloud access?

No, VPGs are for private, secure connections, not general internet access.
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Jan 12, 2024

Can a VPG connect multiple VPCs?

No, it's designed to connect a single VPC to an external network.
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Can TGW route traffic between VPCs?

Yes, it's designed to route traffic between multiple VPCs efficiently.
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Can I use a VPG with different cloud providers?

VPGs are typically provider-specific and not interoperable.
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What is a Transit Gateway (TGW)?

TGW is a network transit hub in the cloud to interconnect VPCs and on-premises networks.
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Does TGW support VPN connections?

Yes, it can work with VPNs to connect external networks.
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Can TGW replace VPG?

In some cases, especially in complex networks with multiple VPCs.
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Is a VPG highly available?

Yes, cloud providers design VPGs for high availability and redundancy.
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How is a VPG different from a VPN?

A VPG is a gateway device, while a VPN is a network protocol for secure connections.
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Jan 12, 2024

How does TGW differ from VPG?

TGW connects multiple VPCs and networks, while VPG connects a single VPC to an external network.
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Is TGW suitable for large-scale networks?

Yes, it's ideal for complex network architectures with multiple VPCs.
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Is setting up a VPG complex?

It requires some networking knowledge, but cloud providers offer guidance.
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Jan 12, 2024

How does TGW improve network efficiency?

By centralizing connections, it reduces network complexity and management overhead.
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Shumaila Saeed
Jan 12, 2024

Is TGW secure?

Yes, it provides secure connectivity with built-in encryption and security controls.
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Jan 12, 2024

Can TGW connect to multiple on-premises networks?

Yes, it's capable of connecting to various external networks.
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How do I set up TGW?

It involves configuring routing tables and attachments in your cloud environment, with provider-specific guidelines.
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Shumaila Saeed
Jan 12, 2024

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About Author
Shumaila Saeed
Written by
Shumaila Saeed
Shumaila Saeed, an expert content creator with 6 years of experience, specializes in distilling complex topics into easily digestible comparisons, shining a light on the nuances that both inform and educate readers with clarity and accuracy.

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