Overview

Istio

Stacks2.3K

Followers1.5K

Votes54

GitHub Stars37.6K

Forks8.1K

Pact

Stacks59

Followers79

Votes0

GitHub Stars221

Forks90

Istio vs Pact: What are the differences?

Introduction: This Markdown code presents key differences between Istio and Pact in a concise and specific manner.

Deployment Environment: Istio is mainly used for managing and securing microservices while Pact focuses on contract testing between services to ensure compatibility.
Communication: Istio primarily assists in service-to-service communication by providing features like load balancing and traffic management, whereas Pact focuses on ensuring that services communicate correctly based on predefined contracts.
Language Support: Istio is typically language-agnostic and can work with various programming languages, whereas Pact has extensive support for specific languages such as Java, Ruby, and JavaScript, making it more language-specific.
Testing Scope: Istio is more focused on network-level policies and observability for microservices, while Pact concentrates on ensuring the interactions between services adhere to predefined expectations through contract testing.
Workflow Integration: Istio integrates seamlessly into the Kubernetes ecosystem for container orchestration, monitoring, and management, while Pact is primarily focused on enabling contract testing as part of the development workflow, independent of container orchestration platforms.
Community Support: Istio has a strong community backing due to its association with the Cloud Native Computing Foundation (CNCF), which leads to rapid development and adoption, whereas Pact's community support is more niche but dedicated to improving contract testing practices.

In Summary, this Markdown code highlights key differences such as deployment environment, communication focus, language support, testing scope, workflow integration, and community support between Istio and Pact for better understanding and decision-making in microservices architecture and contract testing.

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Advice on Istio, Pact

Prateek

Mar 14, 2020

Decided

Istio based on powerful Envoy whereas Kong based on Nginx. Istio is K8S native as well it's actively developed when k8s was successfully accepted with production-ready apps whereas Kong slowly migrated to start leveraging K8s. Istio has an inbuilt turn-keyIstio based on powerful Envoy whereas Kong based on Nginx. Istio is K8S native as well it's actively developed when k8s was successfully accepted with production-ready apps whereas Kong slowly migrated to start leveraging K8s. Istio has an inbuilt turn key solution with Rancher whereas Kong completely lacks here. Traffic distribution in Istio can be done via canary, a/b, shadowing, HTTP headers, ACL, whitelist whereas in Kong it's limited to canary, ACL, blue-green, proxy caching. Istio has amazing community support which is visible via Github stars or releases when comparing both.

322k views322k

Comments

lyc218

Feb 21, 2020

Needs advice

Envoy proxy is widely adopted in many companies for service mesh proxy, but it utilizes BoringSSL by default. Red Hat OpenShift fork envoy branch with their own OpenSSL support, I wonder any other companies are also using envoy-openssl branch for compatibility? How about AWS App Mesh?

Any input would be much appreciated!

42.7k views42.7k

Comments

Detailed Comparison

Istio	Pact
Istio is an open platform for providing a uniform way to integrate microservices, manage traffic flow across microservices, enforce policies and aggregate telemetry data. Istio's control plane provides an abstraction layer over the underlying cluster management platform, such as Kubernetes, Mesos, etc.	It is a code-first tool for testing HTTP and message integrations using contract tests. Contract tests assert that inter-application messages conform to a shared understanding that is documented in a contract. Without contract testing, the only way to ensure that applications will work correctly together is by using expensive and brittle integration tests.
-	Support for JavaScript, JVM, .NET, Python, Go, Ruby, PHP, Swift and more; Get fast, reliable feedback on the compatibility of your integrations; Ensures all your services are compatible with each other before you deploy
Statistics
GitHub Stars 37.6K	GitHub Stars 221
GitHub Forks 8.1K	GitHub Forks 90
Stacks 2.3K	Stacks 59
Followers 1.5K	Followers 79
Votes 54	Votes 0
Pros & Cons
Pros 14 Zero code for logging and monitoring 9 Service Mesh 8 Great flexibility 5 Powerful authorization mechanisms 5 Ingress controller Cons 17 Performance	No community feedback yet
Integrations
Kubernetes Docker	JavaScript Ruby Python .NET Golang PHP Swift

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