Apache CloudStack Adds Edge Zones And Autoscaling
Written by Kay Ewbank   
Friday, 24 March 2023

Apache CloudStack has been updated with a LTS release with a range of new features and improvements including edge zones, autoscaling and a new two-factor authentication framework.

Apache CloudStack is an Apache top-level project for deploying public and private Infrastructure-as-a-Service (IaaS) clouds that provides an open cloud orchestration platform. It's a Java-based project that provides a management server and agents for hypervisor hosts so that you can run an IaaS cloud.


CloudStack works with hosts running XenServer/XCP, KVM, Hyper-V, and/or VMware ESXi with vSphere. It has a Web-based management UI, a native API and an optional  Amazon S3/EC2 compatible API. CloudStack manages primary storage for instances running on the hypervisors, as well as templates, snapshots, and ISO images in secondary storage.

This latest version is the initial 4.18 LTS release. It has over 300 fixes and features since the release, of which the edge zones are one of the more interesting additions. CloudStack edge zones are lightweight advanced cloud zones, typically with a single hypervisor host. The previous release had limited support for edge zones for the KVM hypervisor due to direct-download template requirements.

An initial version of autoscaling has also been included in this version. AutoScaling allows you to scale your back-end services or application VMs up or down seamlessly and automatically according to the conditions you define. The current version of AutoScaling without NetScaler only supports for Xenserver. KVM support will be added in the future.

This release also includes support for a time-based OTP (TOTP) authenticator. One-time passwords are temporary passcodes generated using the current time as one of its authentication factors.

Other improvements in the new version include support for volume encryption, and SDN integration for Tungsten Fabric. SDN or Software-Defined Networking is an approach to networking. Tungsten Fabric (TF) comprises components like controller and vRouter; plus additional components for analytics and third-party integration, and TF can now be integrated with CloudStack as an SDN plugin for networking and lifecycle management of VMs and containers where TF components or control functions are deployed.

CloudStack 4.18 is available now.


More Information

Apache CloudStack

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