W3C home > Mailing lists > Public > public-ws-addressing@w3.org > July 2005

Re: LC 76 - What makes a msg WS-A?

From: David Hull <dmh@tibco.com>
Date: Thu, 14 Jul 2005 11:13:10 -0400
To: Katy Warr <katy_warr@uk.ibm.com>
Cc: public-ws-addressing@w3.org
Message-id: <42D68106.10509@tibco.com>
The underlying question is whether WS-A compliance is a property of a
message, or whether it is a matter of context.  I think the current spec
leans toward context.  For example, a message without a [reply endpoint]
is not compliant if it's being sent as a request in an in-out MEP, but
the exact same message might be compliant if sent in an in-only MEP
(e.g., if an operation was changed from in-only to in-out or vice versa
-- maybe not good practice, but possible).

So I would answer that a message is subject to the appropriate
WS-Addressing validation when the endpoint receiving the message
requires it.

Katy Warr wrote:

> Please could we discuss the following in the context of LC76?
> When is an incoming message deemed to be a WS-Addressing message and
> therefore subject to the appropriate WS-Addressing validation?   Is it
> based on the presence of any WS-addressing Message Addressing
> Property?  For example, does a message containing a reference
> parameter (but no other WS-Addressing information) need to result in a
> MessageAddressingHeaderRequired?    Or, for example, does the
> declaration of the wsa namespace rendor the message WS-Addressing?
> Thanks
> Katy 
Received on Thursday, 14 July 2005 15:13:24 UTC

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