Interoperability

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Contents

Interoperability Working Group Home Page

Interoperability Working Group Charter Has Expired

The IDE Working Group was chartered from 2007 through 2010, published:

as official OpenAjax Alliance Specifications, helped produce various white paper, coordinated with OpenSocial Foundation on integrating OpenAjax Hub 2.0 into OpenSocial Gadgets 1.1, worked on various other initiatives (e.g., OpenAjax Registry) and the charter expired at the end of 2010.

Historical Information

Interoperability WG Rechartering Approved

See [1].

OAH 2.0.1 open source update posted

The 2.0.1 release of the open source reference implementation for OpenAjax Hub 2.0 contains the following updates:

  • No more clicking sounds on IE6/IE7. With Hub 2.0.1, we borrowed a coding trick from OpenSocial Gadgets to pass messages across frames in IE6/IE7 that avoids the clicking sounds that occurred with the 2.0 open source.
  • Refactoring and consolidation. The Hub 2.0.1 code was refactored in a significant manner, with the result that the code is smaller and cleaner. This refactoring is also a major step in the direction of allowing OAHub to be integrated into OpenSocial Gadgets for inter-gadget pubsub.

OpenSocial/OpenAjax Integration Underway

OpenAjax Alliance is collaborating with the OpenSocial Foundation and the Apache Shindig project to merge the pubsub features from OpenAjax specs (mainly, OpenAjax Hub 2.0 Specification, but also a couple of features out of OpenAjax Metadata 1.0 Specification. Here are some pages that show work-in-progress:

Hub 2.0 Spec Approved

The Interoperability Working Group has approved the OpenAjax Hub 2.0 Specification.

White Papers Available

The Interoperability Working Group has written several white papers about the OpenAjax Hub 2.0. These white papers are available at the following URLs:

OpenAjax Hub 2.0 Reference Implementation Enhancements

We are working on some updates to the OpenAjax Hub 2.0 reference implementation within the OpenAjax project at SourceForge. These updates will probably be completed in late 2009. Here are some things happening with this source code update:

  • Addition of a new cross-frame transport layer for IE6 and IE8 to eliminate the clicking sound with message passing when widgets are placed into Iframes
  • Reorganization, cleanup, and improvement of the transport code
  • Make progress on the OAHub 2.0 code to allow future sharing of cross-frame transport logic between a future version of Apache Shindig with a future version of OAHub 2.0 reference implementation

Envelope Proposal

Howard has proposed a recommended event envelope object: Simple Event Envelope

Older news

Interoperability Working Group (v2) Approved

The OpenAjax Alliance Steering Committee approved the rechartering of the Interoperability Working Group as of January 12, 2009. The approved charter can be found at http://www.openajax.org/member/wiki/Interoperability_Charter_v2.

Interoperability Working Group (v1) Approved

The OpenAjax Alliance Steering Committee approved the creation of a formally chartered Interoperability Working Group on May 14, 2007. The approved charter can be found at http://www.openajax.org/member/wiki/Interoperability_Charter.

OpenAjax Hub 1.0 Approved

The members of OpenAjax Alliance and its Steering Committee approved the release of OpenAjax Hub 1.0 per our Development Process at http://www.openajax.org/process/DevelopmentProcess.pdf). The approved Hub 1.0 specification is at:

OpenAjax Hub 2.0 Approved

The OpenAjax Hub 2.0 specification can be found at:

The reference implementation of the OpenAjax Hub 2.0 can be found at the OpenAjax Alliance's open source project:

OpenAjax Registry Under Development

The Interoperability Working Group is far along in its work on the OpenAjax Registry. See:

Email list

The email list for the Interoperability Committtee is interop@openajax.org. Archives can be found at: http://openajax.org/pipermail/interop/. To subscribe to this list, fill out the form at: http://openajax.org/mailman/listinfo/interop.


Documents

  • OpenAjax Hub - Executive summary of OpenAjax Hub for posting on our web site
  • Markup Scanner - James Margaris has developed some very early JavaScript for the OpenAjax Hub for people to review.
  • OpenAjaxHub Ideas 20060719 - Here are some concrete proposals for the OpenAjax Hub in the areas of JavaScript collision detection, toolkit loading, markup mixing (for consideration by the Markup committee), and event management.
  • Interoperability State of the World - List of scenarios today where toolkits interoperate successfully and where interoperability falls short
  • Markup Mixing Nexaweb IBM 20060712 - This is a link to a working document from the Declarative Markup committee which contains a recent attempt to capture current thinking in that committee about how to achieve interoperability at the markup mixing level. It is relevant to this discussion because it talks about features and issues within the OpenAjax hub.
  • OAH Proposal:
  • Alternate Hub Proposal Using XML Namespaces - Here is a proposal that attempts to provide the same functionality as the Tibco/Dojo proposal but expresses the markup in a manner that attempts to channel the spirit of W3C's architecture vision and thereby leverages XML namespaces. Not sure if this is a good idea or not, but here it is for people to review.


A related technology effort is the XAP proposal that is now an incubator projects at apache.org. Here is a wiki page that provides an executive summary of XAP and includes links to detailed information on XAP:


James Margaris of Nexaweb pointed out that we need to have a clear definition of what we are trying to accomplish. Here are notes, which are mostly directed at the issue of markup mixing:

Other Information

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