How Can I Overcome Windows Limitations to Achieve Parallel HTTP Request Optimization?

Overcoming Windows Limitations for Parallel HTTP Requests

In an effort to optimize performance for an application requiring numerous HTTP lookups, the developer initially employed a thread pool to execute requests in parallel. However, throughput proved to be unsatisfactory.

Investigating the issue, the developer discovered potential limitations imposed by Windows on the number of simultaneous HTTP requests. Referencing an online post, registry values were adjusted to increase these limits. However, no improvement was observed in throughput.

Further exploration revealed the involvement of ServicePoint, which manages connections for HTTP requests. By default, ServicePoint limits concurrent connections to two. To rectify this, the ServicePointManager.DefaultConnectionLimit property should be adjusted to the desired value.

By modifying this property, the developer can overcome the Windows limitations and optimize the parallel execution of HTTP requests, enhancing the application's performance.

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