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Subject: Re: [soa-rm] eCommerce definitions

Francis McCabe wrote:

> More than 20 years ago, Tony Hoare go this one nailed down. In his 
> book Communicating Sequential Processes, he talks about a rendezvous 
> between processes, rather than sending messages. He correctly (IMO) 
> identified that the critical concept is one of two threads of activity 
> coming to a mutual understanding of a common event.
> This is also a nice way of thinking about service consumers 
> interacting with a service -- a rendezvous is inherently more neutral 
> than using  a service, offering a service etc. etc.

Trying to penetrate some of Hoares thinking I encountered the issues of 
communicating nodes that are not connected directly or does not have 
immediate access. An example is the case then a consumer communicated 
through a number of service providrs to the service provider. In this 
case the consumer may not meet directly ie. the putting culminates 
before the getting even starts. Anoteh case is the issue of "streaming" 
service such as audio.
Could you point me to where such cases are addressed using Hoares thinking?

Sofar I still got the feeling that act leading up to consent are still 
important altough final rendezvous is an important event.

Best Regards

/ Anders W. Tell           /
/ Financial Toolsmiths AB  /
/ <anderst@toolsmiths.se>  /


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