Sidecar Pattern
Definition
The Sidecar Pattern is a design pattern where helper components are deployed alongside main applications, improving functionality and modularity.
Use Cases
- Netflix: Enhancing microservices architecture — Netflix uses sidecar containers for logging, monitoring, and security to enhance their microservices without altering the main application code. (Improved modularity and scalability of their streaming service, leading to better performance and reliability.)
Provider Equivalents
- AWS: AWS App Mesh
- Azure: Azure Service Fabric Mesh
- GCP: Google Kubernetes Engine (GKE) with Istio
- OCI: Oracle Cloud Infrastructure Service Mesh
Frequently Asked Questions
- What's the difference between Sidecar Pattern and Ambassador Pattern?
- The Sidecar Pattern deploys helper components alongside the main application, while the Ambassador Pattern involves a proxy that handles network traffic for the application.
- When should I use Sidecar Pattern?
- Use the Sidecar Pattern when you need to add functionalities like logging, monitoring, or security to your application without modifying its core code.
- How much does Sidecar Pattern cost?
- Costs depend on the cloud provider and the resources consumed by the sidecar containers, including compute and storage resources.
Category: software
Difficulty: advanced
Related Terms
See Also