Hybrid Cloud and Multi-Cluster Service Connectivity
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Hybrid Cloud and Multi-Cluster Service Connectivity - Sridhar Gaddam & Aswin Suryanarayanan, Red Hat
Hybrid Cloud is becoming a common deployment these days. When your kubernetes clusters are spread across a mix of on-prem/public clouds, and you want your cluster local services (i.e., non-publicly accessible services) to be made available to services in a different cluster, there are number of things to be considered like Cluster Connectivity, Service Discovery, Security etc. In this presentation we would like to present a solution that is 1. Cloud Agnostic: works on both on-premise and public clouds 2. CNI Agnostic: works with any of the kubernetes CNI networking plugins 3. Tunnel Management and Health-check: includes mechanisms to connect two/more clusters and periodically perform health-checks 4. Service discovery and Service reachability: expose cluster-IP services to other clusters 5. Inter-Cluster Network Policy: provides mechanisms to explicitly allow/deny traffic