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Azure Virtual Network gives you an isolated and highly-secure environment to run your virtual machines and applications. Use your private IP addresses and define subnets, access control policies, and more. Use Virtual Network to treat Azure the same as you would your own datacenter. Traffic between Azure resources in a single region, or in multiple regions, stays in the Azure network—intra-Azure traffic doesn’t flow over the Internet. In Azure, traffic for virtual machine-to-virtual machine, storage, and SQL communication only traverses the Azure network, regardless of the source and destination Azure region. Inter-region virtual network-to-virtual network traffic also flows entirely across the Azure network. Use Virtual Network to extend your on-premises IT environment into the cloud, like you set up and connect to a remote branch office. You have options to securely connect to a virtual network—choose an IPsec VPN or a private connection by using Azure ExpressRoute.

Azure Arc is Microsoft’s hybrid and multicloud solution that extends Azure services across on-premises, edge, and other cloud environments. It enables organizations to manage servers, Kubernetes clusters, and applications anywhere with consistent tools and APIs. With Arc, businesses can modernize SQL Server and Windows Server, deploy containerized apps, and access Azure services like security, observability, and governance across diverse infrastructures. Its agentless multicloud connector streamlines management while maintaining embedded compliance with over 100 certifications. Azure Arc also integrates with existing tools such as GitHub and Visual Studio Code, allowing developers to innovate without disrupting workflows. By bridging traditional infrastructure and cloud-native services, it gives enterprises the flexibility to innovate anywhere while staying secure and cost-efficient.