Linkerd2
Previously known as Conduit, Linkerd2 is the subsequent release to its predecessor, Linkerd, by the company Buoyant. This next-generation service mesh framework, lighter than Linkerd, is specifically designed for Kubernetes cluster environments. It's open-source, available at https://github.com/linkerd/linkerd2.
What sets it apart is its ability to integrate proxy services directly with actual service pods in a Kubernetes cluster. This is achieved using a mechanism known as 'sidecars', a method also similarly adopted by Istio. Linkerd2 comes without the bulky JVM overhead, thanks to being implemented using Rust and Go programming languages.
Some significant features of Linkerd2 include:
Its fast and lightweight design, with each proxy container consuming only 10mb RSS and introducing latency at the sub-millisecond level.
Out-of-the-box security with Rust and default TLS support.
End-to-end visualization capabilities.
Contribution towards enhancing Kubernetes' reliability, visibility, and security.
Deployment
$ linkerd install | kubectl apply -f -
// followed by service and pod status checks using the commands below
$ kubectl -n linkerd get svc
$ kubectl -n linkerd get pod Dashboard
$ linkerd dashboard
Sample Application
A sample application can be deployed using:
You can then check the network traffic statistics of the services as seen below:
For tracking network traffic of services, use:
References
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