DotNetNuke(dnn)目前分为Professional和Communit两个版本。我想很多人都有使用哪个版本的疑惑。
Nik Kalyani的两篇文章
DotNetNuke Business Model and Product Roadmap (Part 1 of 2)
DotNetNuke Business Model and Product Roadmap (Part 2 of 2)
解答了这些疑惑，并且对DNN重新定义的商业模式做了解释。DNN的商业模式被称之为“Open Core.” 的模式，也就是说，DNN的核心部分是免费和开源，不管是Professional版本还是Community版本。并且这两个版本的核心部分功能也是一样的。
Nike Kalyan用这个图解释了什么是DNN的核心：
那Professional版本和Community版本有什么区别呢？通俗的讲，两个版本的区别就是发布是附加的Extesion（也就是之前的Module）不同。
Communit版本会附加一些免费的模块，像这样：
而Professional版本则会增加一块收费的Professional Extension
而Professional版本是面向对功能要求更强的商业需求，对安全、效率、电子商务和可扩展性都有增强。
下面这个表是两个版本即将增加功能的详细区别：
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Feature
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Comment
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Community
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Professional
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Content Management
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Content Approval
- Single-stage content approval
- Select content approver roles at the site level
- Text/HTML module enhancement to support Content Approval
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Content Approval and Versioning
- Multi-stage content approval
- Define stages and select content approver roles at the site level
- HTML Pro module to support multi-stage Content Approval
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User Experience
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Control Panel
Improvements in usability and appearance through tabbed, ribbon user interface
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Advanced Control Panel
Add a page or edit common page settings directly from the Control Panel
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Skin Objects
Skin objects code will be XHTML compliant
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Action Panel Skin Object
An Action Panel Skin Object to provide a consistent way for exposing available actions to users
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Management Console
Improve access and discoverability of administrative features by aggregating features into a Windows-style control panel
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Analytics & SEO
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Google Analytics Support
Support for injection of analytics tracking code on every page
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Google Analytics for Marketing Support
Support for advanced Google Analytics segmentation based on role membership
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Per-page Custom Sitemap Rank
Define the rank for each page for use in the Sitemap published to search engines.
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Security
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Change Audit
Last modified and full history audit trails
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Extended Edit Permissions
Page, module and folder level permissions that extend existing Edit permissions
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Scalability
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Distributed Caching Provider
More efficient resource usage in large web farms
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Stability
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Application Integrity Checking
Checks files in the installation and reports any inconsistencies which may impact website reliability
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Network Services
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Health Monitoring
Pings the website periodically to identify failures and will notify the site owner. Also ensures the site stays in web server memory for faster user accessibility
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Vulnerability Database (Basic)
Maintains a vulnerability database with basic information for each product version to easily identify potential issues
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Vulnerability Database (Detailed)
Maintains a vulnerability database with detailed information for each product version to easily identify potential issues
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