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Subject: OASIS TC Call For Participation: WS-CAF
A new OASIS technical committee is being formed. The OASIS Web Services
Composite Application Framework (WS-CAF) Technical Committee has been
proposed by the following members of OASIS: Jan Alexander, Systinet;
Doug Bunting, Sun Microsystems; Martin Chapman, Oracle Corp.; Mark
Little, Arjuna Technologies; Jeff Mischkinsky, Oracle Corp.; Dale
Moberg, Cyclone Commerce; Ramesh Nagappan, Sun Microsystems; Eric
Newcomer, IONA Technologies; Keith Swenson, Fujitsu Software Corp.; Jim
Webber, Arjuna Technologies; and Pete Wenzel, SeeBeyond.
The proposal for a new TC meets the requirements of the OASIS TC Process
(see http://oasis-open.org/committees/process.shtml), and is appended to
this message. The proposal, which includes a statement of purpose, list
of deliverables, and proposed schedule, will constitute the TC's
charter. The TC Process allows these items to be clarified (revised) by
the TC members; such clarifications (revisions), as well as submissions
of technology for consideration by the TC and the beginning of technical
discussions, may occur no sooner than the TC's first meeting.
As specified by the OASIS TC Process, the requirements for becoming a
member of the TC are that you must 1) be an employee of an OASIS member
organization or an Individual member of OASIS; 2) notify the TC chair of
your intent to participate at least 15 days prior to the first meeting;
and 3) attend the first meeting of the TC.
For OASIS members, to register for the TC using the OASIS collaborative
tools, go to the TC's public page at
http://www.oasis-open.org/committees/ws-caf and click on the button for
"Join This TC" at the top of the page. You may add yourself to the
roster of the TC either as a Prospective Member (if you intend to become
a member of the TC) or an Observer. A notice will automatically be sent
to the TC chair, which fulfills requirement #2 above. You may join a TC
at any time after the first meeting, but in order to be a voting member
at the first TC meeting you must a) register at least 15 days before the
first meeting and b) attend the first meeting.
Note that membership in OASIS TCs is by individual, and not by organization.
For non-OASIS members, a public comment list
ws-caf-comment@lists.oasis-open.org is available for the public to make
comments on the work of this TC; the public may subscribe to this list
by sending a message to ws-caf-comment-subscribe@lists.oasis-open.org
The archives of the TC's private and comment mail lists are visible to
the public at http://lists.oasis-open.org/archives/
Further information about this topic may be found on the Cover Pages
under the topic of "Messaging and Transaction Coordination" at
http://xml.coverpages.org/coordination.html
-Karl
=================================================================
Karl F. Best
Vice President, OASIS
office +1 978.667.5115 x206 mobile +1 978.761.1648
karl.best@oasis-open.org http://www.oasis-open.org
The following will comprise the TC's charter
---------------------------------------------
Name of the TC:
OASIS Web Services Composite Application Framework (WS-CAF) TC
Statement of Purpose:
The purpose of the OASIS Web Services Composite Application Framework TC
is to define a generic and open framework for applications that contain
multiple services used in combination (composite applications).
Multiple web services combined in composite applications require
interoperable mechanisms to set the boundaries of an activity (such as
start/end, or success/failure), to create, access and manage context
information, and to inform participants of changes to an activity.
Composite applications might also need to work with a range of
transaction models, including simple activity scoping, single and two
phase commit ACID transactions, and recoverable long running activities.
The goal of this TC is to define a set of royalty-free related,
interoperable and modular specifications that will enable development of
composite applications, ranging from simple to complex combinations of
web services and encompassing a useful range of transaction and
coordination requirements.
In no event shall this Technical Committee finalize or approve any
technical specification if it believes that the use, distribution, or
implementation of such specification would necessarily require the
unauthorized infringement of any third party rights known to the
Technical Committee, and such third party has not agreed to provide
necessary license rights on perpetual, royalty-free, non-discriminatory
terms.
Scope:
Essential elements of web services are SOAP and WSDL. The specifications
to be created will provide WSDL definitions for context, coordination
and transactions. Message formats will be specified as SOAP headers
and/or body content. The resulting specification must be programming
language-neutral and platform-neutral.
Interoperability, ease of implementation, and ease of use will be
fundamental characteristics for WS-CAF. The TC's work should build upon
similar, existing standards wherever possible and to align where
appropriate with other relevant standards. Alignment means any of the
following: feature reuse, bindings, guidelines on how to jointly use the
specification with other related ones, or addressing requirements from
other related standards.
Composability is a critical aspect of Web Service specifications. We
expect the work of the WS-CAF TC, particularly WS-Context, to become
building blocks for other Web service specifications and standards.
Therefore, the resulting specification must be non-overlapping and have
demonstrated composability with other Web Service specifications that
are being developed in open, recognized standards setting organizations.
The WS-CAF TC will work with these organizations to gather requirements
input and to define the relationships between their specifications and
this TC's work with the goal of promoting convergence, consistent use,
and a coherent architecture.
The WS-CAF TC will accept as input the WS-Context, WS-Coordination
Framework and WS-Transaction Management specifications [1] published by
Arjuna, Fujitsu, Iona, Oracle, and Sun Microsystems on July 28 2003.
Other contributions in addition to WS-CAF will be accepted for
consideration without any prejudice or restrictions and evaluated on
their technical merit, as long as the contributions conform to the goals
and scope of this charter.
The benefits and results of this work will be standard and interoperable
ways to:
- Demarcate and coordinate web service activities
- Propagate and coordinate context information
- Notify participants of changes in an activity
- Define the relationship of coordinators to each other
- Recover transactions predictably and consistently in a business
process execution.
- Interact across multiple transaction models (such as are used in
CORBA, CICS, Enterprise JavaBeans? or .NET environments).
List of Deliverables:
- A revised WS-Context specification. Draft due within 6 months of
first meeting.
- A revised WS-Coordination Framework specification. Draft due
within 10 months of first meeting.
- A revised WS-Transaction Management specification. Draft due
within 14 months of first meeting.
- A primer introducing the above specifications, including use cases
and scenarios as appropriate.
These specifications will reflect refinements and changes made to, and
by, contributions to the TC that are identified by members for
additional functionality and semantic clarity within the scope of the TC
charter. The titles of the specifications may change.
The TC will also develop and sponsor a testing/interoperability program
in parallel with the development of the specifications.
At the appropriate time, the TC shall submit its Committee Drafts for
balloting by OASIS membership for OASIS Standard status. The TC will
make a determination, at that time, as to whether to progress the
specifications individually or in groups.
Audience:
The anticiated audience for this work includes:
- other specification writers that need underlying web service
coordination, context and transaction mechanisms;
- vendors offering web service products;
- software architects and progammers who design and write
distributed applications requiring coordination, context and
transaction mechanisms.
Language
All business will be conducted in English.
The following information is for the purpose of setting up the TC:
------------------------------------------------------------------
Similar work:
Although no work is taking place currently in other OASIS TCs or other
organizations that overlaps its scope, the WS-CAF TC will collaborate
with other OASIS TCs, such as the Business Transaction Protocol TC, the
Asynchronous Service Access Protocol TC and the Web Service Business
Process Execution Language TC.
The WS-CAF TC will also collaborate with efforts within the W3C's Web
Service Activity Working Groups, including the XML Protocol, Web Service
Architecture, Web Service Description, and Web Service Choreography
Working Groups.
Other Contributions:
Apart from the WS-CAF specification [1] mentioned above, the TC would
like to see WS-Coordination and WS-Transactions being contributed to
this effort. Contact with their authors has been initiated with that goal.
Date and Time of first meeting:
The first meeting of the WS-CAF TC will take place via teleconference on
October 31, 2003 at 8:00 AM Pacific. Call-in information will be sent
out to prospective members two weeks before that time. That date and
time will be the time of record for establishing initial voting
membership under the OASIS TC process. This meeting will be sponsored by
Martin Chapman (Oracle).
Meeting Schedule:
The TC is expected to meet bi-weekly via teleconference and to have
quarterly face to face meetings of a 2-3 day duration, unless a
different schedule is agreed upon. The sponsor for teleconference
meetings will be Martin Chapman (Oracle).
The first face to face meeting (two days) will be hosted by Eric
Newcomer (Iona Technologies) in the Boston area during the first week of
December, 2003. The exact time and location are subject to confirmation
by the TC. Subsequent meeting hosts will be decided when further face to
face meetings are agreed upon by the TC.
TC Co-Sponsors
The following persons eligible to participate in OASIS technical
committees state that they are committed to the purpose and schedule
stated above:
Jan Alexander (jan.alexander@systinet.com), Systinet
Doug Bunting (doug.bunting@sun.com), Sun Microsystems
Martin Chapman (martin.chapman@oracle.com), Oracle Corp.
Mark Little (mark.little@arjuna.com), Arjuna Technologies
Jeff Mischkinsky (jeff.mischkinsky@oracle.com), Oracle Corp.
Dale Moberg (dmoberg@cyclonecommerce.com), Cyclone Commerce
Ramesh Nagappan (ramesh.nagappan@sun.com), Sun Microsystems
Eric Newcomer (eric.newcomer@iona.com), IONA Technologies
Keith Swenson (KSwenson@fsw.fujitsu.com), Fujitsu Software Corp.
Jim Webber (jim.webber@arjuna.com), Arjuna Technologies
Pete Wenzel (pete@seebeyond.com), SeeBeyond
Convener:
The convener for this TC shall be Mark Little, Arjuna, and the proposed
chairs are
- Martin Chapman, Oracle Corporation
- Eric Newcomer, Iona Technologies
REFERENCES
[1]
WS-Context http://www.arjuna.com/library/specs/ws_caf_1-0/WS-CTX.pdf
WS-Coordination Framework
http://www.arjuna.com/library/specs/ws_caf_1-0/WS-CF.pdf
WS-Transaction Management
http://www.arjuna.com/library/specs/ws_caf_1-0/WS-TXM.pdf
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