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Hi

chapter 1.5 gives the definition that a Web service
is a software system

in 1.5.1 it is stated:
a Web Service is an abstract notion implemented by
a concrete agent (piece of software)

please comment on this

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chapter 1.5 gives the definition that a Web service
has an interface which is described.

Hence, a service requester agent using SOAP etc
does not adapt the abstract notion of a service.

But in 2.3.2.5 it states that a service has zoro or
more service requesters.

Is there a difference between a Web service and a 
service?
Reading 2.3.2.5 makes one consider both a service
provider and a service requester as a Web service,
but this contradicts 1.5.1.

please comment on this

thank you