Knowledge base

January 30, 2024

Azure Private Link: Secure and Private in the Cloud

In an era when businesses are making the mass transition to the cloud, the need for secure and private connectivity to cloud services is growing. Microsoft Azure is responding to this need with a service called Azure Private Link. But what exactly is Azure private Link and how can it benefit your business? Let’s explore these questions and delve into the benefits of Azure private Link.

What is Azure Private Link?

Azure private Link provides private connectivity from a virtual network to Azure platform services (PaaS), customer managed or shared partner services. It simplifies network architecture and secures connectivity between endpoints in Azure by eliminating data exposure to the public Internet.

How Does Azure Private Link Work?

Azure private Link creates a private endpoint in your virtual network and assigns it an IP address from your virtual network address space. This private endpoint acts as a network interface to the Azure service or application in your own virtual network. Traffic between your virtual network and the service goes through the Microsoft backbone network, eliminating the need to expose your service to the public Internet.

Key Benefits of Azure Private Link

Private access to Azure services

Azure private Link allows you to connect your virtual network to Azure services using private endpoints. Service providers can offer their services within their virtual network, and consumers can access these services within their local virtual network. The Private Link platform provides connectivity between consumers and services over the Azure backbone network.

Access from Locations and Associated Networks.

Azure Private Link provides the ability to access services running in Azure from locations via ExpressRoute private link, VPN tunnels and linked virtual networks with private endpoints. There is no need to configure ExpressRoute Microsoft link or cross the Internet to access the service.

Protection Against Data Breaches

A private endpoint is associated with an instance of a PaaS resource rather than the entire service. Consumers can only connect to the specific resource, and access to any other resource in the service is blocked.

Global Reach

Azure private Link allows you to connect privately to services running in other regions. The consumer’s virtual network can be in one region and connect to services behind Private Link in another region.

Extension to Your Own Services

Azure private Link allows you to make your service available privately to consumers in Azure. By placing your service behind a standard Azure Load Balancer, you can make it available for Private Link.

Availability and Monitoring

Both Private Endpoint and Private Link service are generally available. Different Azure PaaS will participate in Azure private Link on different timetables. Azure Private Link is also integrated with Azure Monitor for archiving logs and streaming events.

Getting Started

Azure Private Link can help secure traffic between Azure services and other applications. Using Azure private Linkom to connect to an Azure SQL Database, for example, creating a Private Endpoint for the SQL Server, provides a secure connection and is an excellent example of the application of this service.

In the dynamic world of cloud technologies, Azure private Link provides an essential layer of security and privacy essential for modern businesses migrating to the cloud. It not only solidifies your cloud infrastructure but also provides peace of mind by securing sensitive data and services from external threats.

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