WAF Choreography Pattern

July 2, 2025254 words2 min read
azure
design patterns
operational excellence
performance efficiency

WAF Choreography Pattern

CategoryDescriptionWAF Description
WhatA decentralized approach to service orchestration where each participant reacts to events and independently coordinates its part in a workflow.Enhances reliability and scalability by removing a central orchestrator, reducing single points of failure and improving system agility.
Used withEvent-driven architectures and microservices, especially when workflows can evolve independently across services and benefit from loose coupling.Supports performance efficiency and operational excellence through service autonomy and easier scaling across components.
WhenWhen you want services to operate independently and communicate through published events rather than direct requests or centralized workflows.Encourages modular, fault-tolerant design—reducing complexity in coordination logic and increasing reliability and agility.
Not Suitable ForHighly structured workflows that require strict ordering or error recovery logic, or when centralized control and visibility are essential.May reduce observability and make complex workflows harder to debug or manage, affecting operational excellence and reliability if not offset with good monitoring and tracing.
Related ToOrchestration Pattern, Event Sourcing, Saga Pattern, Pub/Sub, Message Broker.Ambassador pattern, Queue-Based Load Leveling pattern, Publisher-Subscriber pattern, Compensation Transaction pattern

A basic implementation of the Choreography Pattern can be found here.

The full WAF description of the pattern can be found here

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© 2025 Andrei Bodea