『How VXLAN Is Stretching Layer 2 Across Data Centers』のカバーアート

How VXLAN Is Stretching Layer 2 Across Data Centers

How VXLAN Is Stretching Layer 2 Across Data Centers

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Episode 35 of Networking Tech with Fexingo dives into VXLAN (Virtual Extensible LAN) — the overlay protocol that lets network engineers stretch Layer 2 networks across distant data centers. Lucas and Luna unpack how VXLAN encapsulates Ethernet frames in UDP packets, enabling virtual machine mobility and multi-tenant isolation without rewriting physical infrastructure. They walk through a real scenario: a cloud provider migrating a live database workload between data centers in Ashburn and Dallas with zero downtime. The conversation covers VXLAN's 24-bit segment ID (16 million virtual networks vs. VLAN's 4096), the role of VTEPs (VXLAN Tunnel Endpoints), and why hardware offload matters for line-rate performance. They also touch on trade-offs — increased MTU overhead, multicast dependency in early implementations, and how EVPN (Ethernet VPN) now solves control-plane scaling. No marketing fluff, just clear engineering insight on one of the most important data-center networking technologies of the last decade. #VXLAN #NetworkVirtualization #DataCenterNetworking #OverlayNetworks #VTEP #EVPN #Layer2Extension #CloudNetworking #Cisco #VMwareNSX #NetworkEncapsulation #UDP #MultiTenancy #VLAN #Technology #NetworkingTech #FexingoBusiness #BusinessPodcast Keep every episode free: buymeacoffee.com/fexingo
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