Resilient Control Plane Design for Virtualized 6G Core Networks

With the advent of 6G and its mission-critical tactile Internet applications running in a virtualized environment on same physical infrastructure, even shortest service disruptions have severe consequences for thousands users. Therefore, network hypervisors, which enable such virtualization, should tolerate failures or be able to adapt sudden traffic fluctuations instantaneously, i.e., well-prepared unpredictable environmental changes. In this paper, we propose latency-aware dual hypervisor placement control path design method, protects against single-link is ready unknown future We prove that finding minimum number hypervisors not only NP-hard, but also hard approximate. optimal heuristic algorithms solve problem. conduct thorough simulations demonstrate efficiency our method real-world optical topologies, show with an appropriately selected representative set possible requests, are approach maximum acceptance ratio mitigate need frequent migrations most realistic latency constraints.