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   RE: [xml-dev] Will The Real SOA Please Sit Down?

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> -----Original Message-----
> From: Bullard, Claude L (Len) [mailto:len.bullard@intergraph.com] 
> Sent: Wednesday, January 11, 2006 1:30 PM
> To: 'Mark Baker'; Michael Champion
> Cc: Chiusano Joseph; xml-dev@lists.xml.org
> Subject: RE: [xml-dev] Will The Real SOA Please Sit Down?
> Is it fair to say that given orchestration/choreography, a 
> composition of processes using services could be described by 
> a process calculus such as pi calculus?

Yes - in fact, W3C Choreography Description Language (WS-CDL) is based
on pi-calculus.
> Readers of the CG list know the sources for this.  Lurkers 
> may wish to query answers.com for a short overview of pi 
> calculus and process calculus.
> I wonder if the SOA Reference Model can be described using a 
> pi calculus notation.  Really don't know....

Answer from the SOA-RM list: Pi-calculus may be an important notation,
but it is neither used in the RM, nor is it particularly relevant to the


Joseph Chiusano
Booz Allen Hamilton
700 13th St. NW, Suite 1100
Washington, DC 20005
O: 202-508-6514  
C: 202-251-0731
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 > len


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