Fallback.md

Fallback

• Motivation
• Solution
  • Concepts
  • Implementation
• Pros & Cons
  • Pros
  • Cons
• Consideration
• When To Use
• References

Motivation

Solution

Concepts

• When a request to a service fails, return an alternative response to the request.

Implementation

Fallback Logic

• Basic ideas
  • Fallback logic typically does little or no processing, and return value.
  • Fallback logic must have little chance of failing.
• Approaches
  • Return previous cached value.

Pros & Cons

Pros

Cons

Consideration

Topic	Consideration	Possible Solution Options

When To Use

References

• Web Article: Fallback pattern | https://badia-kharroubi.gitbooks.io/microservices-architecture/patterns/communication-patterns/fallback-pattern.html
• Web Article: Resilience design patterns: retry, fallback, timeout, circuit breaker | https://blog.codecentric.de/en/2019/06/resilience-design-patterns-retry-fallback-timeout-circuit-breaker/