Handling Cross-Cutting Concerns with Middleware

ASP.NET Core's middleware pipeline is ideal for cross-cutting concerns.

Examples:

1. Logging and correlation IDs.

2. Exception handling and error responses.

3. Localization, caching, rate limiting.

Middleware runs on every request and can short-circuit or modify the response.

Architecture impact: Moving cross-cutting concerns into middleware keeps controllers and application logic focused on business rules.

Reference:

Microsoft: Middleware in ASP.NET Core

https://learn.microsoft.com/aspnet/core/fundamentals/middleware