In most cases, we already have some sort of local infrastructure and want to use the cloud as a hybrid where we combine cloud and on-premises resources. In such cases, we need to think about how we are going to access VNet from our local network.
There are three options available:
• Point-to-Site connection (P2S) is usually used for management and/or end use connections. It enables you to create a connection from a single on-premises computer to Azure VNet. It has a secure connection, but not the most persistent one, and shouldn't be used for production purposes, only to perform management and maintenance tasks, or to access applications.
• Site-to-Site connection (S2S) is a persistent connection that enables a network-to- network connection. In this case, that would be from an on-premises network to a VNet, where all on-premises devices can connect to Azure resources and vice versa. Using S2S enables you to expend local infrastructure to Azure, use a hybrid cloud, and take advantage of the best things both on-premises and cloud networks can offer.
• ExpressRoute is a direct connection from a local data center to Azure. It doesn't go over the internet and offers a much better connection. Compared to an S2S connection, ExpressRoute offers more reliability and speed with lower network latency.
Thant Zin Phyo@Cracky (MCT, MCE, MVP)
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