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Subject: Re: PIP IDs
Marty,
Up to now, RosettaNet PIPs are either
request-response (two-actions) or notification (one-action) style business
processes. Earlier versions of PIP 3A4 are an exception in the sense
that PIP 3A4 covers Create Purchase Order (request-response), Change
Purchase Order (request-response) and Cancel Purchase Order (request-response)
interactions. Recently, PIP 3A4 has been split into 3A4 (Create Purchase Order),
3A8 (Change Purchase Order), and 3A9 (Cancel Purchase Order) in order to achieve
some degree of uniformity across PIPs (I believe). Therefore, I think it is
reasonable to equate existing RosettaNet PIPs with BPSS Business
Transactions.
In the RosettaNet message header, there are
separate elements to identify the PIP ID, the PIP action and the Service.
Multiple PIPs may be implemented by the same service, e.g., there may be a Buyer
service implementing PIPs 3A4, 3A8, 3A9 from the buyer perspective, and a Seller
service implementing the same PIPs from the seller perspective.
I don't think we should equate PIP ID with Service
and action with "the particular business transaction within the PIP". Otherwise,
we will not be able to capture the role information, e.g., the ability to
distinguish a Buyer Service from a Seller Service, and a request action from a
response action.
From the RosettaNet point of view, it will be
desirable if we can have distinct Service, PIP (equivalently BPSS Business
Transaction), and action elements in the message header. Alternatively, we can
use the Service element to capture role information (e.g., Buyer vs Seller), and
use the Action element to capture the PIP ID. Whether we are dealing with a
request action or a response action will have to be inferred from the Service
element.
Regards,
-Arvola
TIBCO Software (on loan to RosettaNet)
+1-650-846-5046 (US-Pacific)