Santo Calderone
Optimizing peer-to-peer multi-cluster communications for Liqo-based multi-cloud deployments.
Rel. Fulvio Giovanni Ottavio Risso, Davide Miola. Politecnico di Torino, Master of science program in Computer Engineering, 2025
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Abstract
The growing complexity of cloud-native infrastructure, particularly in hybrid and multi-cloud contexts, has led to the widespread adoption of Kubernetes as the standard platform for orchestrating containerized workloads. While Kubernetes offers robust mechanisms for managing resources within a single cluster, it lacks native support for seamless multi-cluster deployments. To bridge this gap, the open-source Liqo framework enables dynamic federation of Kubernetes clusters, allowing workload offloading, resource sharing, and secure cross-cluster networking. Despite these capabilities, Liqo’s default networking model remains consumercentric: all traffic between provider clusters must be routed through the consumer, introducing unnecessary latency, limiting effective bandwidth between providers, and creating a potential single point of failure.
This architecture limits the scalability and resilience of Liqo-based infrastructures in real-world scenarios
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