Java Reference
In-Depth Information
NOTE
You can read the WS-ReliableMessaging specification available at http://docs.oasis-open.org/ws-rx/
wsrm/200702/wsrm-1.1-spec-os-01.pdf .
Metadata
WS-Policy defines a general-purpose framework to express the capabilities of an endpoint.
WS-MetadataExchange and WS-Transfer are used by the client to retrieve the information
about the endpoint.
Transactions
The WS-Transaction specification set by OASIS-Open comprises three different specifica-
tions: WS-AtomicTransaction, WS-Coordination, and WS-BusinessActivity. These specifica-
tions are implemented separately by vendors. The Apache project Kandula is working on an
implementation of all three specs, and while Axis 1 and 2 incorporate WS-Coordination and
WS-AtomicTransaction, WS-BusinessActivity has been in the works since 2005, with noth-
ing published from that project since 2006. An implementation of WS-BusinesssActivity is
actually very rare to see.
WS-Transaction provides a distributed transaction capability to a set of web services.
NOTE
You
can
read
the
WS-Transaction
specification
at
http://www.oasis-open.org/specs/in-
dex.php#wstransactionv1.1 .
WS-Coordination 1.1 provides an extensible framework for defining coordination context and
types for protocols that coordinate distributed actions.
NOTE
You can read the WS-Coordination specification at http://docs.oasis-open.org/ws-tx/wscoor/2006/06 .
WS-AtomicTransaction provides the definition of transaction context and the atomic trans-
action coordination type that is to be used with the framework defined by WS-Coordination.
This enables transactions flowing across a set of web services.
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