business-transaction message

Subject: Issue - ex-10 - acknowledgements for LRT

From: btp issues list maintainer<peter.furniss@choreology.com>
To: business-transaction@lists.oasis-open.org
Date: Tue, 23 Mar 2004 15:54:36 +0000

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Issue - ex-10 - acknowledgements for LRT

Status: open
Date added: 23 Mar 2004
Submitter: Alastair Green [alastair.green@choreology.com]
Date submitted: 23 March 2004
Description: Ability to support long-running transactions is a design goal of BTP. In practice BTP does not support a useful feature that prevents idle network chatter during long (and expected) pauses in a conversation. This arises from product implementation experience.

Any protocol message that will (in theory, subject to implementation level administrative or deployment overrides) be resent indefinitely until a state-moving message is received “in reply”, should be capable of receiving a receipt-acknowledgement, whose reception can be interpreted to mean: I would prefer you not to resend the message I have just received. I will reply in my own good time, and I estimate that this time will be no less than X seconds away.

Absent such acks, it is very difficult to obtain the appropriate balance between fault-tolerance and good network citizenship. Customers don’t like excess network traffic.

The recoverable nature of all retriable conversations ensures that the use of a receipt-ack will not terminate the conversation prematurely or wrong-headedly.

The SUPERIOR_STATUS/prepared-received message might be used as a model or basis for the syntax of such a message.
Changes: 23 Mar 2004 - new issue

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