ASP.NET Web Cache Spurs Performance and Scalability

By Iqbal Khan

Applications based on ASP.NET, Microsoft's Web-application framework, are making greater inroads into the enterprise. At the same time, bottlenecks resulting from growing numbers of users and transactions continue to prompt IT professional to call for improved performance and scalability.

The Problem: ASP.NET Bottlenecks

Bottlenecks can occur in ASP.NET applications for a variety of reasons. The most obvious: Data-storage technology isn't as scalable as Web-applications architecture. Any place in an ASP.NET application that deals with data storage or data access immediately becomes a logjam when you try to scale your application. Two areas where this happens are Session State storage and application data from a relational or mainframe database.

Another bottleneck occurs if your ASP.NET application is making service- oriented architecture (SOA) calls to Web services. Here, the slowdown happens because the Web services have the same issues as your ASP.NET application (namely, in data storage and access). Chances are that a Web-services farm is being shared across multiple applications and, therefore, being stressed much more than any one ASP.NET application, creating the scalability bottleneck.

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