For those who get started with Azure, It can be difficult to understand what are the options or network components available in Azure Cloud. Objective of this short post blog is to summarize in one picture Azure Networking components and their purpose.

Updated : 08/14/19 with VNet Peering & VNet-to-VNet

If you need more details :

Interconnect an on-premises Datacenter with Azure
VPN Site to Site : https://docs.microsoft.com/en-us/azure/vpn-gateway/vpn-gateway-howto-site-to-site-resource-manager-portal

VPN Point to Site for remote users : https://docs.microsoft.com/en-us/azure/vpn-gateway/point-to-site-about

ExpressRoute : https://docs.microsoft.com/en-us/azure/expressroute/expressroute-introduction

Corporate WAN
Azure Virtual WAN : https://docs.microsoft.com/en-us/azure/virtual-wan/virtual-wan-about

Interconnect 2 VNets

Configure a VNet-to-VNet VPN gateway connection
https://docs.microsoft.com/en-us/azure/vpn-gateway/vpn-gateway-howto-vnet-vnet-resource-manager-portal

Virtual network peering
https://docs.microsoft.com/en-us/azure/virtual-network/virtual-network-peering-overview

Monitoring and troubleshooting
Azure Network Watcher : https://docs.microsoft.com/en-us/azure/network-watcher/network-watcher-monitoring-overview

Secure Internet Access
Azure Firewall : https://docs.microsoft.com/en-us/azure/firewall/overview

Network Virtual Appliance : https://azuremarketplace.microsoft.com/en-us/marketplace/apps/category/networking?page=1&search=network%20virtual%20appliance&subcategories=appliances

Virtual Network
Virtual Network : https://docs.microsoft.com/en-us/azure/virtual-network/virtual-networks-overview
SubNet : https://docs.microsoft.com/en-us/azure/virtual-network/virtual-network-vnet-plan-design-arm#subnets
Network Security Group : https://docs.microsoft.com/en-us/azure/virtual-network/security-overview
Public IP : https://docs.microsoft.com/en-us/azure/virtual-network/virtual-network-ip-addresses-overview-arm
Azure DDoS Protection : https://docs.microsoft.com/en-us/azure/virtual-network/ddos-protection-overview

Virtual Network Interface Card : https://docs.microsoft.com/en-us/azure/virtual-network/virtual-network-network-interface

Web Application Firewall and Load Balancing
Azure Application Gateway : https://docs.microsoft.com/en-us/azure/application-gateway/overview

Azure Front Door : https://docs.microsoft.com/en-us/azure/frontdoor/front-door-overview
Network Virtual Appliance : https://azure.microsoft.com/en-us/blog/best-practices-to-consider-before-deploying-a-network-virtual-appliance/

Azure Load Balancer : https://docs.microsoft.com/en-us/azure/load-balancer/load-balancer-overview

Azure Traffic Manager : https://docs.microsoft.com/en-us/azure/traffic-manager/traffic-manager-overview

DNS zone management
Azure DNS : https://docs.microsoft.com/en-us/azure/dns/dns-overview

Content Delivery Network
Azure CDN : https://docs.microsoft.com/en-us/azure/cdn/cdn-overview

— Stanislas Quastana —