Day 11: Bridging Azure Realms - Virtual Network Peering
Tags: 100daysofcloud, azure, adcstreak, cloud
Published: 2024-01-29 03:21:57

Yesterday's leg of the #100DaysOfCloud journey unveiled the transformative power of Virtual Network Peering in Azure. Let's dive into the realms of interconnectedness and discover how Virtual Network Peering empowers seamless communication across Azure networks!

### Unveiling Virtual Network Peering: 
Virtual Network Peering enables the seamless interconnection of Azure Virtual Networks (VNets) across regions and subscriptions. By establishing peering connections, organizations can facilitate secure and low-latency communication between VNets, fostering collaboration and resource sharing across Azure deployments.

### Overview
Vnet peering enables us to connect two Azure virtual networks without using VPN or Public Internet. Once peered, the virtual networks appear as one, for connectivity purposes. There are two types of VNet peering.

- Regional VNet peering connects Azure virtual networks in the same region.
- Global VNet peering connects Azure virtual networks in different regions. When creating a global peering, the peered virtual networks can exist in any Azure public cloud region or China cloud regions, but not in Government cloud regions. We can only peer virtual networks in the same region in Azure Government cloud regions.

### Enhancing Connectivity and Collaboration: 
Virtual Network Peering serves as a catalyst for enhanced connectivity and collaboration within Azure. Whether it's enabling multi-region deployments, facilitating cross-subscription communication, or supporting hybrid networking scenarios, peering connections break down barriers and enable organizations to leverage the full potential of their Azure resources.

### Seamless Integration and Scalability: 
One of the key benefits of Virtual Network Peering is its seamless integration and scalability. Peering connections can be established effortlessly through the Azure portal, CLI, or templates, allowing organizations to expand their network footprint and scale their Azure deployments with ease.

### Optimizing Performance and Latency: 
Virtual Network Peering enables organizations to optimize performance and reduce latency by leveraging Azure's global network infrastructure. By connecting VNets through peering, organizations can route traffic efficiently within Azure's backbone network, minimizing latency and ensuring optimal user experience for their applications and services.

### Enhancing Security and Isolation: 
While enabling connectivity, Virtual Network Peering also prioritizes security and isolation. Peering connections are inherently secure, with traffic flowing only between the peered VNets and not over the internet. This ensures data privacy, integrity, and compliance with organizational security policies.

### Empowering Interconnected Azure Deployments: 
Virtual Network Peering unlocks a world of possibilities for interconnected Azure deployments. Whether it's establishing hub-and-spoke architectures, enabling cross-region disaster recovery, or facilitating resource sharing across development and production environments, peering connections empower organizations to architect resilient and agile Azure infrastructures.

Thanks, @azdevindia and @beingwizard for the amazing session and resources.

### Resources:
- https://michaeldurkan.com/2021/11/16/100daysofcloud-day11-azurevirtualnetworks2/