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World Congress 2025 • Aug 20, 2025 • Session details

Building resilient .NET applications for the modern age

Sander ten Brinke

System outages cost millions. Stop relying on naive error handling. Build fault-tolerant .NET applications using Polly, Aspire, and chaos engineering to prevent cascading failures.

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#1 about 4 min

The growing cost of system outages and microservice failures

As microservices introduce network latency and complexity, system resilience becomes an essential upfront requirement to maintain application availability.

#2 about 5 min

Defining software resilience and layers of system architecture

Comprehensive resilience requires strategic planning across infrastructure scaling, disaster recovery plans, software architecture choices, and system observability.

#3 about 4 min

Replacing manual retry logic with the Polly library

Hardcoded retry loops cause traffic spikes and scaling issues, which can be mitigated by using dedicated transient fault handling libraries.

#4 about 3 min

Configuring resilience pipelines and exponential backoff retry strategies

Implementing a retry pattern with exponential backoff and jitter spreads out network requests to prevent thundering herd problems.

#5 about 3 min

Halting traffic to failing dependencies using circuit breakers

The circuit breaker pattern evaluates failure thresholds over time and halts outgoing requests to allow failing downstream services time to recover.

#6 about 2 min

Preventing service overloads with concurrency rate limiting

Applying concurrency limiters manages sudden traffic surges by restricting the maximum number of simultaneous requests allowed through a pipeline.

#7 about 2 min

Integrating resilience pipelines directly into HTTP client registrations

Attaching resilience handlers directly to HTTP client configurations simplifies integration and cleanly separates cross-cutting technical concerns from core business logic.

#8 about 3 min

Testing application robustness by injecting faults with chaos engineering

Testing pipeline robustness in production can be achieved by injecting deliberate latency, faults, and custom failure behaviors into the system.

#9 about 6 min

Applying reliable defaults using Microsoft Extensions HTTP Resilience

Official HTTP resilience extensions streamline setup by providing curated pipeline defaults for rate limiting, sliding timeouts, and retry policies.

Matching moments

2:00 min

Enhancing distributed application resilience using the Polly project

Don Schenck Don Schenck · World Congress 2024

3:00 min

Identifying examples of system resilience and fragility in technology

Jan de Vries Jan de Vries · World Congress 2026 Europe

5:05 min

Balancing strict application boundaries with resilient execution architectures

André Behrens André Behrens · World Congress 2026 Europe

3:46 min

Understanding system resilience and the costs of failure

Mihaela-Roxana Ghidersa · LIVE

5:00 min

Navigating complexity and anti-patterns in modern software architecture

Mihaela-Roxana Ghidersa · LIVE

3:20 min

Building robust system resilience across all stack layers

Mihaela-Roxana Ghidersa · LIVE

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