Architects Research Society

Jun 4, 2020 · Cloud Computing

Network Overlay Technologies for Modern Virtualized Data Center Architectures

The article explains the requirements of modern virtualized data‑center structures, describes network overlay concepts and formats such as VXLAN, NVGRE, TRILL and LISP, outlines their benefits like optimized device functions, scalability and overlapping addressing, and reviews Cisco's spine‑and‑leaf designs that meet these needs.