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Archive for December, 2008

            “Velocity” a caching framework introduced by Microsoft for distributed caching in ASP.NET. When you use “Velocity,” you can retrieve data by using keys or other identifiers, named “tags.” “Velocity” supports optimistic and pessimistic concurrency models, high availability, and a variety of cache configurations. “Velocity” includes an ASP.NET session provider object that enables you to store ASP.NET session objects in the distributed cache without having to write to databases, which increases the performance and scalability of ASP.NET applications.

Key Features of “Velocity”
  • Caches any serializable CLR object and provides access through simple cache APIs.
  • Supports enterprise scale: tens to hundreds of computers.
  • Configurable to run as a service accessed over the network or run embedded with the application.
  • Supports common cache configurations.
  • Supports dynamic scaling by adding new nodes.
  • Configurable number of backup copies to provide high availability.
  • Automatic load balancing.
  • Integration with administration and monitoring tools such as ETW, System Center, etc.
  • Provides tight integration with ASP.NET to be able to cache ASP.NET session data in the cache without having to write it to source databases. It can also be used as a cache for application data to be able to cache application data across the entire Web farm.
  • Follows the cache-aside architecture (also known as Explicit Caching) for V1. That is, you must decide explicitly which objects to put/remove in your applications and “Velocity” does not synchronize with any source database automatically.
  • Support for multiple client languages (for example, PHP, C#, C++, etc.).

 

For more detail visit here.

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