AI & MLAdvanced
Observability and Cost Control for LLM Apps in .NET
Learn observability and cost control for .NET LLM apps, covering OpenTelemetry GenAI conventions, token tracking, caching, model routing and 429 retries.
Observability & OpenTelemetry
15 articles about Observability & OpenTelemetry: in-depth .NET and AI guides, senior interview questions and AI news on DotNet AI Hub.
Technologies 10
AI & MLIntermediate
Microsoft Agent Framework: Build AI Agents in C#
Build AI agents in C# with Microsoft Agent Framework 1.x: ChatClientAgent, sessions, tools, MCP, workflows, human approval, hosting and migration.
AI & MLIntermediate
Microsoft.Extensions.AI: Unified AI Abstractions for .NET
Master Microsoft.Extensions.AI: IChatClient, IEmbeddingGenerator, streaming, tool calling, middleware pipelines, DI registration, custom clients and testing.
ArchitectureAdvanced
Microservices Architecture with .NET
Microservices architecture with .NET: service boundaries, data ownership, gRPC and messaging, gateways, sagas, outbox, OpenTelemetry, Aspire and eShop.
Cloud-NativeIntermediate
.NET Aspire 13: Cloud-Native Orchestration for .NET
Learn .NET Aspire 13: the AppHost resource model, service defaults, dashboard, Redis and PostgreSQL integrations, testing and deploying with aspire deploy.
Cloud-NativeIntermediate
OpenTelemetry in .NET: Logs, Metrics and Distributed Tracing
Instrument .NET apps with OpenTelemetry: ActivitySource traces, Meter metrics, ILogger logs, OTLP export, sampling, propagation and backends.
Cloud-NativeIntermediate
Resilience in .NET with Polly and Microsoft.Extensions.Http.Resilience
Build resilient .NET HTTP clients with Polly v8 and Microsoft.Extensions.Http.Resilience: retries, circuit breakers, timeouts, hedging and chaos testing.
Data & EF CoreIntermediate
Caching in .NET: In-Memory, Distributed, Redis and HybridCache
Caching in .NET explained: IMemoryCache, IDistributedCache, Redis and HybridCache, plus invalidation, TTL design, cache keys, serialization and hit ratio.
Platform & RuntimeIntermediate
.NET Generic Host: Configuration, Options and Logging
A practical guide to the .NET Generic Host: configuration providers and precedence, validated strongly typed options, and structured high-performance logging.
PerformanceAdvanced
.NET Diagnostics Toolkit: Counters, Traces and Dumps
A practical guide to dotnet-counters, dotnet-trace, dotnet-dump, dotnet-gcdump and dotnet-monitor for diagnosing .NET apps in production.
Interview Questions 4
AI EngineeringArchitect
Productionizing AI Applications Interview Questions
Architect-level interview questions on productionizing AI: evaluation, OpenTelemetry GenAI observability, cost, latency, prompt injection and compliance.
Cloud & DevOpsSenior
.NET Aspire and Cloud-Native Development Interview Questions
Ten senior-level interview questions on Aspire's AppHost model, service defaults, testing and deployment, and how it compares to Compose, Dapr and Tye.
Distributed SystemsSenior
Observability and Distributed Tracing Interview Questions
Senior and architect .NET interview questions on OpenTelemetry, W3C trace context propagation, sampling strategies, structured logging, SLOs and alerting.
System DesignArchitect
System Design Interview: Notification Service in .NET
Senior .NET system design interview questions on notification systems covering multi-channel delivery, queueing, templating, rate limits and failover.
AI News 1
Aspire 13.2 Adds an AI-Agent-Native CLI and TypeScript AppHosts
Aspire 13.2, released March 23, 2026, turned aspire mcp into aspire agent with skills for AI coding agents and previewed TypeScript AppHosts.