Uploaded June 2025 | Updated September 2026, 3 weeks ago
This presentation examines the intricate landscape of overlay technologies, tracing their historical development, dissecting current deployments, and prognosticating future directions. We will explore the evolution from basic to more advanced, analyzing the architectural nuances, protocol intricacies, and operational considerations. We will dive into the driving forces behind technological trends, such as virtualization, will highlight the paradigm shifts in data center architecture and the resultant demands on network overlays. The intricacies of L2 and L3 VPN evolution, standardization, alongside real-world deployment scenarios. Finally, the presentation will address the ongoing trends shaping the field, including the convergence of L2 and L3 services, cost optimization, and the imperative of multivendor interoperability.
Sergey Kolobov: Sergey is a Network Engineering professional supporting hyperscale infrastructures for AI, DC, DCI and Enterprise customers as Tech Lead Systems Engineer at Arista Networks. He appreciates good documentation and intentional clear communication. He is a forward on his ice hockey team, appreciates prime backcountry skiing, splendid mountain biking and gusty windsurfing.
Speaker Sergey Kolobov - Arista Networks
Alton lo - Arista Networks
This presentation examines the intricate landscape of overlay technologies, tracing their historical development, dissecting current deployments, and prognosticating future directions. We will explore the evolution from basic to more advanced, analyzing the architectural nuances, protocol intricacies, and operational considerations. We will dive into the driving forces behind technological trends, such as virtualization, will highlight the paradigm shifts in data center architecture and the resultant demands on network overlays. The intricacies of L2 and L3 VPN evolution, standardization, alongside real-world deployment scenarios. Finally, the presentation will address the ongoing trends shaping the field, including the convergence of L2 and L3 services, cost optimization, and the imperative of multivendor interoperability.
Sergey Kolobov: Sergey is a Network Engineering professional supporting hyperscale infrastructures for AI, DC, DCI and Enterprise customers as Tech Lead Systems Engineer at Arista Networks. He appreciates good documentation and intentional clear communication. He is a forward on his ice hockey team, appreciates prime backcountry skiing, splendid mountain biking and gusty windsurfing.
Speaker Sergey Kolobov - Arista Networks
Alton lo - Arista Networks
