Answer
Eliminates blocking, increases throughput, smooths spikes, and makes the system resilient.
Quick Answer
Async communication improves performance because the calling service doesn't block waiting for a response. It can handle other work while the downstream service processes. Message queues absorb traffic spikes - producers publish at their rate, consumers process at their rate. This smooths out load instead of letting spikes overwhelm downstream services.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ