What Are The Best Practices For Microservice Orchestration and Multicluster management

Container bundles up the OS and microservice runtime environment such as source code, dependencies, system libraries, etc.

Introduction

Container bundles up the OS and microservice runtime environment such as source code, dependencies, system libraries, etc. For configuring and coordinating (orchestrating) the containers, we have plenty of tools like Kubernetes (including tools like AKS, EKS, and GKE) and ECS. On the other hand, multicluster management involves handling multiple k8s clusters in an environment. For this, we have tools like rancher and kubesphere. In this article, Kubernetes deployment through Istio and Rancher multicluster management is covered
Istio is an open-source service mesh that layers transparently onto existing distributed applications. Istio’s powerful features give an efficient and uniform way to secure, connect, and monitor services
Rancher is an open-source software stack for teams adopting containers. It combines everything the organization needs to adopt and run in production. As it was built on Kubernetes it allows DevOps teams to test, deploy and manage the application in a lightweight framework


Overview of Kubernetes Deployment through Istio

Kubernetes, also known as K8s, is an open-source system for automating deployment, scaling, and management of containerized applications. Istio extends Kubernetes to establish a programmable application-aware network using the powerful Envoy service proxy. Working with both Kubernetes and traditional workloads, Istio brings standard, universal traffic management, telemetry, and security to complex deployments

How system Works

Sample workflow for Istio

Architecture Diagram for Rancher

What are the best features of Istio and Rancher

  • Service Mesh
  • Way to control how different parts of an application share data with one another

  • Secure service-to-service communication in a cluster

  • Automatic load balancing for HTTP

  • Fine-grained control of traffic behavior

  • Provides mutual TLS encryption, and authentication, authorization tools to protect services and data

  • Observability – Monitoring, Logging, Tracing


Features of Rancher

  • The users can deploy an entire multi-container clustered application from the application catalog with a single click of a button

  • The deployed applications are managed using automated upgrades to the newer version of the application

  • Rancher contains the distribution of popular container orchestration such as Docker swarm, Kubernetes, and Mesos

  • Infrastructure services include networking, storage, load balancer, and security services

  • Users interact with ranchers using a command-line tool called rancher-compose. It enables users to deploy multiple containers and services based on Docker compose templates on Rancher infrastructure. The rancher-compose tool also supports the docker-compose.yml file format

  • Interactive UI for managing tasks and maintaining clusters

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