sca-policy message
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Subject: [ISSUE 60] Clarify scope of ordered intent - PROPOSAL
- From: Mike Edwards <mike_edwards@uk.ibm.com>
- To: "OASIS Policy" <sca-policy@lists.oasis-open.org>
- Date: Tue, 14 Oct 2008 10:11:10 +0100
Folks,
Following the discussion on yesterday's
TC call, I make the following proposal as the resolution of Issue 60, dealing
with
the detailed wording required for the
resolution:
This proposal relates to sca-policy-1[1].1-spec-wd-08.pdf:
Replace lines 1980 - 1988 with the following:
3) ordered
– The binding implementation guarantees that the messages sent by
a service client via a single service reference are delivered to the target
service implementation in the order in which they were sent by the service
client. Note that this applies whether or not the service interface
is conversational and also is not affected by the implementation strategy
of the service implementation (eg whether each successive service invocation
is handled by a separate implementation instance in the case of stateless
services). This intent does not guarantee that messages that are sent by
a service client are delivered to the service implementation. Note that
this intent has nothing to say about the ordering of messages sent via
different service references by a single service client, even if the same
service implementation is targeted by each of the service references.
For service interfaces that involve messages
being sent back from the service implementation to the service client (eg.
a service with a callback interface), for this intent, the binding implementation
guarantees that the messages sent by the service implementation over a
given wire are delivered to the service client in the order in which they
were sent by the service implementation. This intent does not guarantee
that messages that are sent by the service implementation are delivered
to the service consumer.
Yours, Mike.
Strategist - Emerging Technologies, SCA & SDO.
Co Chair OASIS SCA Assembly TC.
IBM Hursley Park, Mail Point 146, Winchester, SO21 2JN, Great Britain.
Phone & FAX: +44-1962-818014 Mobile: +44-7802-467431
Email: mike_edwards@uk.ibm.com
Unless stated otherwise above:
IBM United Kingdom Limited - Registered in England and Wales with number
741598.
Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6
3AU
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