Diagram - Service Problem

"Cutler, Roger (RogerCutler)" <[email protected]>
Newsgroups gmane.comp.web.services.ws-arch
Message-ID <7FCB5A9F010AAE419A79A54B44F3718E01624A89@bocnte2k3.boc.chevrontexaco.net> 
About this problem with Service -- could you make some progress by using
one of those recursive arrows that points back to the same box?  That
is, a Service, or an Agent (it seems to me that in this context they are
the same) either Provides or Requests another Agent/Service -- which is
the same box.
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