FeedSync

FeedSync

FeedSync, previously Simple Sharing Extensions, are extensions to RSS and Atom feed formats designed to enable the aggregation of information by using a variety of data sources. Initially developed by Ray Ozzie, Chief Software Architect at Microsoft, it is now maintained by Jack Ozzie, George Moromisato, Matt Augustine, Paresh Suthar and Steven Lees. Dave Winer, the designer of the UserLand Software RSS variants, has given input for the specifications.

The standard is currently a work in progress, currently at version 1.0 which was released on December 4, 2007.FeedSync is licensed under the Creative Commons Attribution-ShareAlike License (version 2.5) and the Microsoft Open Specification Promise.

The scope of FeedSync is to define the minimum extensions necessary to enable loosely-cooperating applications to use XML-based container formats such as Atom and RSS as the basis for item sharing – that is, the bi-directional, asynchronous synchronization of new and changed items amongst two or more cross-subscribed feeds. [cite web |url=http://msdn2.microsoft.com/en-us/xml/bb510102.aspx |title=FeedSync for Atom and RSS|publisher=Microsoft|]

Examples

E 0.93 for Atom 1

To Do List A list of items to do Ray Ozzie 2005-05-21T11:43:33Z urn:uuid:60a76c80-d399-11d9-b93C-0003939e0aaa Buy groceries Get milk, eggs, butter and bread urn:uuid:60a76c80-d399-11d9-b93C-0003939e0aa0 Ray Ozzie 2005-05-21T11:43:33Z

E 0.93 for RSS 2

To Do List A list of items to do http://example.com/partial.xml Buy groceries Get milk, eggs, butter and bread

Examples of Real World Use

Though the specification is still under development there are several examples of "real world" use of SSE to synchronize data between applications.

trong Angel III

SSE was used extensively at the [http://www.strongangel3.net Strong Angel III] exercise in August 2006 as a lightweight middleware to [http://www.strongangel3.net/sse link applications] from Microsoft, Google, ESRI and others on desktops and mobile devices.

ee also

*Aggregators
*Atom
*Podcasting
*RSS
*Syndication
*Microsoft Sync Framework

References

External links

pecifications

* [http://dev.live.com/feedsync/spec/v1.htm FeedSync for Atom and RSS] .
* [http://cyber.law.harvard.edu/rss/rss.html RSS 2.0 Specification by Dave Winer]
* [http://msdn.microsoft.com/xml/rss/ssefaq/ Frequently Asked Questions for FeedSync (Simple Sharing Extensions)] .

Code

* [http://www.codeplex.com/sse Codeplex libraries]
* [http://www.microsoft.com/downloads/details.aspx?FamilyId=9BC8885E-76BA-4F10-8AC7-6F5845ADCFD9&displaylang=en SSE Tutorial with examples in Javascript] .

Articles

* [http://spaces.msn.com/members/rayozzie/Blog/cns!1pyct_cYtbBtOBPDVAumMEdw!175.entry SSE on Ray Ozzie's Blog] .
* [http://web2.wsj2.com/how_simple_sharing_extensions_will_change_the_web.htm visualization How Simple Sharing Extensions Will Change the Web] .


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