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https://github.com/liqotech/liqo

Enable dynamic and seamless Kubernetes multi-cluster topologies
https://github.com/liqotech/liqo

cloud-computing clusters k8s kubernetes kubernetes-clusters liquid-computing multi-cluster resource-sharing

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Enable dynamic and seamless Kubernetes multi-cluster topologies

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Enable dynamic and seamless Kubernetes multi-cluster topologies


  





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## What is Liqo?



Liqo is an open-source project that enables dynamic and seamless Kubernetes multi-cluster topologies, supporting heterogeneous on-premise, cloud and edge infrastructures.



## What does it provide?



* **Peering**: automatic peer-to-peer establishment of resource and service consumption relationships between independent and heterogeneous clusters.

  No need to worry about complex VPN configurations and certification authorities: everything is transparently self-negotiated for you.

* **Offloading**: seamless workloads offloading to remote clusters, without requiring any modification to Kubernetes or the applications themselves.

  Multi-cluster is made native and transparent: collapse an entire remote cluster to a virtual node compliant with the standard Kubernetes approaches and tools.

* **Network fabric**: transparent multi-cluster pod-to-pod and pod-to-service connectivity, regardless of the underlying configurations and CNI plugins.

  Natively access the services exported by remote clusters, and spread interconnected application components across multiple infrastructures, with all cross-cluster traffic flowing through secured network tunnels.

* **Storage fabric**: support for remote execution of stateful workloads, according to the data gravity approach.

  Seamlessly extend standard (e.g., database) high availability deployment techniques to the multi-cluster scenarios, for increased guarantees.

  All without the complexity of managing multiple independent cluster and application replicas.



## Quick start



Would you like to quickly join the fray and experiment with Liqo?

Set up your playground and check out the getting started examples, which will guide you through a scenario-driven tour of the most notable features of Liqo:



* [Quick Start](https://docs.liqo.io/en/stable/examples/quick-start.html): grasp a quick overview of what Liqo can do.

* [Offloading with Policies](https://docs.liqo.io/en/stable/examples/offloading-with-policies.html): discover how to tune namespace offloading, and how to use policies to select which clusters may host each workload.

* [Offloading a Service](https://docs.liqo.io/en/stable/examples/service-offloading.html): learn how to create a multi-cluster service, and how to consume it from each connected cluster.

* [Stateful Applications](https://docs.liqo.io/en/stable/examples/stateful-applications.html): find out how to deploy a database across a multi-cluster environment, leveraging the Liqo storage fabric.

* [Global Ingress](https://docs.liqo.io/en/stable/examples/global-ingress.html): discover how route external traffic to multi-cluster applications through a global ingress and automatic DNS configurations.

* [Replicated Deployments](https://docs.liqo.io/en/stable/examples/replicated-deployments.html): learn how to deploy an application by replicating it on multiple remote clusters.

* [Provision with Terraform](https://docs.liqo.io/en/stable/examples/provision-with-terraform.html): explore Liqo Terraform provider capabilities.



### Going Further



Got curious?

Check out the [documentation website](https://docs.liqo.io) for an in-depth overview of the Liqo features, to discover how to install Liqo on your clusters, as well as to find out about the different usage and configuration options.



## Roadmap



Want to know about the features to come? Check out the [project roadmap](ROADMAP.md) for more information.



## Contributing



All contributors are warmly welcome. If you want to become a new contributor, we are so happy! Just, before doing it, read the tips and guidelines presented in the [dedicated documentation page](https://docs.liqo.io/en/stable/contributing/contributing.html).



## Community



To get involved with the Liqo community, join the [Slack workspace](https://liqo-io.slack.com/join/shared_invite/zt-h20212gg-g24YvN6MKiD9bacFeqZttQ).



|:bell: Community Meeting|

|------------------|

|Liqo holds weekly community meetings on Monday, 5.30pm UTC (6.30pm CET, 9.30am PST). To join the community meeting, follow this [link](https://polito-it.zoom.us/j/81559017793?pwd=R0NXZUJwZXVrQUwxbWtWQ3psbEVidz09). Convert to your timezone [here](https://www.thetimezoneconverter.com/?t=17:30&tz=UTC%20%28Universal%20Time%20Coordinated%29). You can see and add the Liqo Calendar following this [link](https://calendar.google.com/calendar/embed?src=32odk41tfu77tedc48a0fcm0v4%40group.calendar.google.com&ctz=Europe%2FRome).|



## License



This project includes code from the [Virtual Kubelet project](https://github.com/virtual-kubelet/virtual-kubelet), licensed under the Apache 2.0 license.



Liqo is distributed under the Apache-2.0 License. See [License](LICENSE) for more information.





Liqo is a project kicked off at Polytechnic of Turin (Italy) and actively maintained with :heart: by all the Liqoers.