Microsoft Project Code Named “Velocity” Community Technology Preview 3 (CTP3) Documentation
Brief Description
"Velocity" is a distributed in-memory application cache platform for developing scalable, high-performance applications. "Velocity" can be used to cache any common language runtime (CLR) object and provides access through simple APIs. The key aspects of "Velocity" are distributed cache performance, scalability, and availability.
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Quick Details
| File Name: | velocity_help.exe |
| Version: | CTP3 |
| Date Published: | 4/24/2009 |
| Language: | English |
| Download Size: | 994 KB |
| Estimated Download Time: | 3 min 56K |
Overview
Microsoft project code named "Velocity" provides a highly scalable in-memory application cache for all kinds of data. By using cache, you can significantly improve application performance by avoiding unnecessary calls to the data source. Distributed cache enables your application to match increasing demand with increasing throughput by using a cache cluster that automatically manages the complexities of load balancing. 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.
For community technology preview 3 (CTP3), Microsoft project code named "Velocity" offers several enhancements and a new API. The enhancements include a cache notifications feature, performance improvements, security enhancements, and new cluster management options. There are also updates to the installation program. Perhaps the most material change for the "Velocity" administrator is that your options for editing the cluster configuration settings have been decoupled from your options for storing the cluster configuration settings. For more information, see the What’s New for CTP3 topic in the product documentation. 
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System Requirements
- Supported Operating Systems: Windows Server 2003 Service Pack 2; Windows Server 2008; Windows Vista Service Pack 2; Windows XP Service Pack 3
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Instructions
- Download the documentation self-extracting executable file (velocity_help.exe).
- Run the .exe file to extract the compiled Help (velocity_help.chm) file.
- Open the .chm file to review the documentation. In particular, you may want to review the following topics:
- What's New for CTP3
- Cache Concepts\General Concept Models
- Administration Guide\Installation and Deployment
- Programming Guide\How to: Prepare the Development Environment
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