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From c..@incubator.apache.org
Subject [Incubator Wiki] New: HermesProposal
Date Mon, 08 Nov 2004 15:14:06 GMT
   Date: 2004-11-08T07:14:06
   Editor: SteveForsyth <steve.forsyth@hp.com>
   Wiki: Incubator Wiki
   Page: HermesProposal
   URL: http://wiki.apache.org/incubator/HermesProposal

   no comment

New Page:

= PROJECT PROPOSAL =

Hermes: A WS-Notification Reference Implementation

A proposal for a reference implementation of the Web Services Notifications family of specifications.

= RATIONALE =

The current Apache WS-FX subproject located under the Web Services project 
(http://ws.apache.org/) has been tasked to provide functionality useful in
the development of Web services following the set of WS-* specifications.

This proposal is to further the state of the art within that subproject by
adding to the number of supported WS-* specifications.  

The rationale for Hewlett-Packard and Globus to contribute to this open-source effort is
to help further the adoption of the WS-* specifications as well as higher-level
specifications such as WSDM MuWS.

= SCOPE OF SUBPROJECTS =

Currently, the scope is to include Axis/Java support for the WS-Notification family of
specifications. These include:


 * WS-Base``Notification
 * WS-Brokered``Notification
 * WS-Topics

The project also proposes to support the related, but distinct, WS-Eventing specification.
    
This proposal is to build a subproject called Hermes to encompass these specifications under

the WS-FX subproject umbrella.

= FEATURES =

 * Design-time and run-time support for WS-Base``Notification's Notification``Producer and
Notification``Consumer.
 * Run-time support for WS-Base``Notification's Subscription``Manager.
 * Notification server that accepts WS-Base``Notification and a WS-Eventing subscription request
and replies in the appropriate dialect.
 * Notification``Broker as defined by WS-Brokered``Notifications.

= PRACTICAL APPLICATIONS =
 * Web Services Distributed Management compliant Web services.
 * Web services that require one-way asynchronous notifications.

= INITIAL SOURCE =

Both HP and Globus have existing WS-Notification implementations to support their respective

projects - WSDM MuWS and the Globus Toolkit. The starting point source code for this project
will be a 
combination of source code from both HP and Globus. The HP WS-N source code will initially
reside in 
the new Muse project, since it is currently an integrated part of that project.

= RESOURCES TO BE CREATED =

 * CVS Repository
 * Bugzilla
 * Mailing Lists
 * Official Build Systems

= CRITERIA =

The product developers have examined the guidelines that govern Jakarta
subprojects and it has been determined that they can and will be adhered to
during the lifetime of the propsed projects.  Hewlett-Packard has committed to
releasing the code related to the proposed projects under the Apache License
umbrella.

While the proposed projects do not enjoy an active community, they certainly
have a high potential for doing so.  Examining the authors of the WS-*
specifications that this proposal plans to support shows that such a potential
exists.  In addition, the specifications may also garner support not only from
the organizations represented by the authors but also from those organizations
following OASIS recommendations and specifications.  This proposal should also
be able to tap into the already existing community for the WS-FX subproject.

HP and Globus are committed to building a strong community around the proposed projects.
As part of the initial population of the initial incubation projects, the
committers will supply example code, build and run ANT scripts as well as
"trailmap" tutorials.  This documentation should help bring new members up to
speed as to the current functionality of the code and how it is organized and
maintained.

The core set of intial developers have experience in using open source products
(particularly Jakarta projects).  Two of the core developers are actively involved
in the WS-FX WS-Addressing project.

The bulk of the libraries used by the initial incubator code heavily rely on
Apache libraries (log4j, Xml``Beans, Axis, et. al.) as well as another open
source library (wsdl4j).  A core piece of the WS-ResourceProperties
implementation requires usage of one of the current WS-FX subprojects
(WS-Addressing).  Therefore, this proposal aligns nicely with existing Apache
projects.

= AVOIDING THE WARNING SIGNS =

This proposal is not the result of an orphaned or abandoned HP/Globus-internal
project.  On the contrary, the proposed projects will help assist HP and Glbous in
furthering their current long-term goals of promoting technology needed to
support its vision of the Adaptive Enterprise and Grid Computing.

All of the current committers have experience working with open source projects
and communities; we have a committer on another open source project and others
have activily participated in other open source initiatives.

= COMMITTERS =

 * Sal Campana (HP)
 * Jarek Gower (Argonne National Lab)
 * John Mazzitelli (HP)
 * Sam Meder (Argonne National Lab)
 * Bill Reichardt (HP)
 * Ian Springer (HP)

= PROPOSED APACHE SPONSOR =

Web Services WS-FX sub-project.

= CHAMPION =

Davanum Srinivas (dims@yahoo.com)

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