Ethernet VPN
Ethernet VPN (EVPN) is a standards-based technology that extends Layer 2 and Layer 3 VPN services over an IP/MPLS network, enabling efficient and scalable Ethernet connectivity across multiple sites. It provides control-plane learning for MAC addresses and IP addresses, reducing flooding and improving network convergence compared to traditional VPLS. EVPN is commonly used in data center interconnects, service provider networks, and enterprise WANs to support virtualized workloads and cloud services.
Developers should learn EVPN when working on network automation, cloud infrastructure, or data center networking projects that require scalable and resilient multi-site connectivity. It's particularly useful for scenarios involving virtual machine mobility, multi-tenant environments, or integrating with software-defined networking (SDN) solutions, as it offers better traffic engineering and simplified management over older technologies like VPLS.