Service Mesh in Kubernetes - Pictorially

Service Mesh in Kubernetes - Pictorially

As part of my learning in devops space, I started exploring service mesh and recently did a podcast. Here is the blog version which I think will be useful for others to get the big picture. This post assumes you are aware of how kubernetes works at a high level

As part of my learning in devops space, I started exploring service mesh and recently did a _podcast. Here is the blog version which I think will be useful for others to get the big picture_

This post assumes you are aware of how kubernetes works at a high level.

Why Service Mesh?

So, our kubernetes world with pods, deployments, services and ingress controllers are buzzing with activity and we are happy with the newly gained power to deploy our services easily at will and scale them as we see fit

Then, why should we care about another concept called “Service Mesh” and what does that bring to the table? To answer it, Let us think of a scenario where our cluster has grown to have lot more services and they call each other to fulfill a service request (east west traffic) and their inter-dependencies will put spaghetti to shame.

Image for post

All the envelopes are data packets sent over the network between the nodes

All the kubernetes constructs like Pod, Deployment, Service, Secrets help us to create and deploy our payload (applications) but does very little to observe, manage or control the flow of traffic between them. This is exactly where a service mesh helps

service-mesh envoy linkerd kubernetes istio

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