Virtual Application Networks (VAN) for Multi-Cloud, Multi-Cluster

Virtual Application Networks (VAN) for Multi-Cloud, Multi-Cluster

Modern software development is moving away from client/server toward more flexible architectures with services located everywhere. This requirement makes application-oriented multi-cloud and multi-cluster connectivity an inevitable trend of cloud computing. VPN technologies ...

Modern software development is moving away from client/server toward more flexible architectures with services located everywhere. There are various reasons for deploying or replicating an application in multiple locations: geographically distributed applications for enhanced performance and availability, maintain compliance, connected vehicles, local breakouts in 5G, remote edge sites, etc. This requirement makes application-oriented multi-cloud and multi-cluster connectivity an inevitable trend of cloud computing.

VPN technologies like OpenVPN, Strongswan, Wireguard etc. are widely used to create secure site-to-site connectivity between sites, although VPN is conformant in facilitating connectivity between remote-sites there are caveats and and complexities involved. Some key caveats: VPNs can obfuscate the network path, increased network latency, monitoring the network path through a VPN tunnel is a challenge, as new sites are added the number of site-to-site connections to manage grows exponentially — scaling sites becomes impractical to maintain, cloud-native applications change the topologies based on the advanced scheduling framework where the connectivity has to auto detect the same and lastly the configuration and management of VPN is complex.

multicloud-management kubernetes edge-computing

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