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A global e-commerce company is experiencing inconsistent application performance during peak shopping seasons, leading to customer dissatisfaction and lost sales. Their current architecture uses a mix of microservices deployed on Google Kubernetes Engine (GKE). They suspect that communication between some services is inefficient, leading to high latency and retries. They want to implement a solution that allows them to observe, manage, and secure service-to-service communication without modifying application code. Which Google Cloud service should they use?
- AAnthos Service Mesh (Istio)
- BCloud Load Balancing
- CCloud Armor
- DCloud CDN
Show answer & explanationAnswer & explanation
Correct answer: A. Anthos Service Mesh (Istio)
Anthos Service Mesh, powered by Istio, provides a platform to observe, manage, and secure microservices communication without requiring changes to the application code. It offers features like traffic management, policy enforcement, and telemetry collection, which directly address the company's performance and observability concerns.
Why the other options are wrong
- B. Cloud Load Balancing distributes incoming traffic to multiple instances but does not manage service-to-service communication within a microservices architecture.
- C. Cloud Armor provides DDoS protection and WAF capabilities at the edge, focusing on external threats rather than internal service communication.
- D. Cloud CDN (Content Delivery Network) caches static content closer to users to reduce latency for web assets, not microservice communication.
Service Mesh (Istio)
A service mesh is a dedicated infrastructure layer for handling service-to-service communication. It makes communication between microservices flexible, reliable, and fast. Istio is an open-source service mesh that provides traffic management, policy enforcement, and telemetry.
- Manages service-to-service communication
- Provides traffic management, security, and observability
- Operates at the infrastructure layer, independent of application code
- Anthos Service Mesh is Google Cloud's managed Istio offering
Memory trick: Mesh services to observe, manage, and secure their chat.