Microsoft KB Archive/831686

= Performance considerations for making Web service calls from .aspx pages =

Article ID: 831686

Article Last Modified on 4/25/2007

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APPLIES TO


 * Microsoft ASP.NET 1.1
 * Microsoft ASP.NET 1.0

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SUMMARY
This article contains information about the Microsoft guide to Performance Considerations for Making Web Service Calls from ASPX Pages. This guide helps developers prevent performance problems and the devouring of thread-pool resources with an asynchronous approach to Web service calls that use Microsoft ASP.NET.



MORE INFORMATION
Performance Considerations for Making Web Service Calls from ASPX Pages contains the following sections:
 * The Scenario: Performance Devastation When Calling a Web Service from an ASP.NET Page

This section describes problems that you may notice when you make a Web service call from a middle-tier environment such as ASP.NET.
 * Tuning Around the Problem

This section describes configuration settings that you can use to work around the problems that were mentioned previously.
 * The Real Solution: Asynchronous Request Handling

This section describes how to design your Web applications to avoid the problems that were mentioned previously.

The The Scenario: Performance Devastation When Calling a Web Service from an ASP.NET Page section contains the following topics:
 * HTTP Two-Connection Limit
 * Thread Pool Limits
 * The Problem Is Not Restricted to Web Services

The Tuning Around the Problem section contains the following topics:
 * maxconnection
 * maxWorkerThreads and minFreeThreads
 * Windows XP Limitations

The The Real Solution: Asynchronous Request Handling section contains the following topics:
 * The First Piece in the Asynchronous Solution: Asynchronous Web Service Calls
 * The Second Piece of the Asynchronous Solution: Asynchronous PreRequestHandler Execution

