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Article #1437

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#1437

From: "John A. Pershing Jr."
Date: Thu, 27 Oct 1988 16:44

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Yes, ACF/NCP 4.3 provides switched subarea support.  From Program
Announcement Letter 288-016:

    SWITCHED SUBAREA SUPPORT

    The ACF/NCP Version 4 Release 2 Feature (MVS and XA) provides
    switched subarea connectivity enhancements for SNA networks. With
    ACF/VTAM Version 3 Release 1.1 (with the appropriate PTF) (MVS and XA
    only), or with ACF/VTAM Version 3 Release 2, it allows switched-line
    attachment of the following SNA subareas:

    o   ACF/VTAM Version 3 Release 1.2 (VM/SP)
    o   ACF/VTAM Version 3 Release 1.2 (VSE), including X.21 4361 support
    o   ACF/VTAM Version 3 Release 2 (VM/SP, VM/XA (compatibility mode
        only), or VSE)
    o   ACF/NCP Version 4 Release 2 with the ACF/NCP Version 4 Release 2
        Feature (MVS)
    o   ACF/NCP Version 4 Subset with the ACF/NCP Version 4 Subset
        Feature (MVS)
    o   ACF/NCP Version 4 Release 3 (MVS, VM/SP, or VSE)
    o   ACF/NCP Version 4 Release 3.1 (MVS)
    o   ACF/NCP Version 5 Release 2 (MVS, VM/SP, or VSE)
    o   ACF/NCP Version 5 Release 2.1 (MVS)

I could not find any additional technical details in the announcement
letter -- sorry.

I believe that the NCP has supported switched peripheral links (PU2) for
years and years, both for call-in and call-out -- although I could be
mistaken here.

      John Pershing
      IBM Research, Yorktown Heights

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Message-ID: <8810280113.AA10345@jade.berkeley.edu>

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From: PERSHNG@YKTVMH.BITNET ("John A. Pershing Jr.")
Newsgroups: comp.protocols.ibm
Subject: (none)
Message-ID: <8810280113.AA10345@jade.berkeley.edu>
Date: 27 Oct 88 16:44:32 GMT
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