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From: myrstad%vax.runit.unit.uninett@NAC.NO ("Bj|rn Myrstad")
Newsgroups: comp.protocols.iso.x400
Subject: X.400 Physical Delivery Services.
Message-ID: <2204*myrstad@vax.runit.unit.uninett>
Date: 21 Aug 89 08:04:00 GMT
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Approved: post-x400@tis.llnl.gov

The 1988-version of the X.400 rec's comprize several service
elements for Physical Delivery. Before utilizing those services
I think some questions need good answers:

  - What is the motivation for applying Physical Delivery?

    Being able to send mail to my old aunt while I'm at the PC
    anyway?
    I don't know the recipient's O/R-address, but I have his
    business address? (Negative Directory response)
    Higlight the non-X.400 recipients who thereby might want to
    be "one of us"?
    Physical Delivery is less expensive than investing in a X.400
    MTA/UA?

  - Where to place the costs of applying Physical Delivery?

    The originator pays? How - no service elements for such available,
    must be a local implementation matter?
    The recipient pays? How - by mutual agreement with the service
    provider?
    The service provider? At the originator end? At the PDAU service
    point?

Anyone out there with arguments and/or answers good enough to initiate
research and/or implementation efforts on Physical Delivery?


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Name          : Bjorn Myrstad
Title         : Research Scientist
Organization  : SINTEF (The Foundation for Industrial and Scientific
                Research at the Norwegian Institute of Technology (NTH))
Org. Unit     : ELAB-RUNIT
Group         : Data Communication  Technology

E-mail address:
R&D MHS       : myrstad@vax.runit.unit.uninett
Seen from ARPA: myrstad%vax.runit.unit.uninett@tor.nta.no

TELEPHONE: +47 7 592600      DIRECT LINE: +47 7 592974
TELEX    : 55620 sintf n     TELEFAX    : +47 7 532586
MAIL     : N-7034 Trondheim, Norway
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