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RE: Partial executability/ determinism of a Chor description language

From: Burdett, David <david.burdett@commerceone.com>
Date: Wed, 4 Jun 2003 18:28:05 -0700
Message-ID: <C1E0143CD365A445A4417083BF6F42CC0839191C@C1plenaexm07.commerceone.com>
To: "Anders W. Tell" <opensource@toolsmiths.se>, Ricky Ho <riho@cisco.com>
Cc: "Burdett, David" <david.burdett@commerceone.com>, public-ws-chor@w3.org

+1

David

-----Original Message-----
From: Anders W. Tell [mailto:opensource@toolsmiths.se]
Sent: Monday, June 02, 2003 12:46 PM
To: Ricky Ho
Cc: Burdett, David; public-ws-chor@w3.org
Subject: Re: Partial executability/ determinism of a Chor description
language


Sorry to but in again, but the topic is too interesting for me to pass.

Ricky Ho wrote:

> If Choreography is a sequence of message exchange that every involved 
> party agree to follow, then it is a "contract".  Is WSDL a "contract" 
> ? (I think so). 

Its an interesting issue whether a specification is a contract and 
legally binding. Usually a business contracts involves two or more 
partners and a technical/ software/ programming language contract is not 
the same as a business agreement.

A few use cases:
* A WSDL file on my disk is usually not a contract and legally binding
* A signed WSDL is usually not a contract and legally binding when the 
signature indicates *authorship* and *Authenticity of Origin*.
* A signed WSDL with two parties where the signature indicates an 
*Intention* of the signers to adhere to the semantics in the WSDL is 
usually an agreement and legally binding.
* When the signers also adds that they have the *capacity/capability* to 
honour the semantics is even more legally binding and have a greater 
legal effect. (if you sign an agreement knowing the you cannot perform 
may get you into trouble).
* A reusable specification almost always contain only a party and a 
signature of *authorship* and *Authenticity of Origin*. Otherwise its 
not reusable but referencable.

My 2cents

/cheers
Anders
Received on Wednesday, 4 June 2003 21:28:09 GMT

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