Distributed Asynchronous Service Provisioning in Edge-Cloud Multi-Tier Networks

In edge-cloud multi-tier networks, datacenters mustdynamically deploy and migrate services to meet diverse latencyand computational constraints, especially for mobile users. Tradi-tional solutions rely on centralized orchestration with full networkvisibility, which is impractical at scale and introduces reliabilityand privacy concerns. We propose DASDEC, a fully distributedand asynchronous framework for service placement and migrationthat operates without global coordination or private data exchangebetween providers. DASDEC enables local decision-making usinglightweight control messages and supports cooperative placementacross datacenters operated by distinct entities. Extensive simula-tions using real-world mobility traces show that DASDEC achievesperformance very close to those obtained by optimal centralizedsolutions, while incurring negligible control-plane overhead (∼100bytes per request). These results highlight DASDEC’s scalability,resilience, and practical applicability to federated edge-cloud sys-tems.