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Usually the connectivity between services running in different K8s clusters is done by multiple options. And the option depends on specific use-case, constraints (security/operational) and requirements. Let me give you some of the options here that might apply in your scenario.
- Hybrid DNS Solutions – Pros: DNS-based discovery across clusters in different clouds. Cons: Latency
- Direct Internet Access – can be don’t use API Gateways. Pros: Cross-cloud communication. Security controls at API level. Cons: Latency, Public Endpoints, API Security Overhead
- VPC Peering – if both clusters are in VPCs. Pros: Direct private IP connectivity. Low latency. Cons: Route configuration. Firewall rules.
- VPN Connection – Connection between AWS VPC and Azure VNet. Pros Secure encrypted tunnel. Caters to hybrid cloud environment.
- Service Mesh – Istio etc. Pros: Provides unified way for secure communication. Cons: Adds complexity.
Considerations – think about security not only in the network but within each K8s cluster. Simplify it using IAM and RBAC.
I hope this helps.
回答済み 7ヶ月前
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Thank you! That really helps.