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1993-10-29
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DDN MGT Bulletin : 9301 DISA DDN Defense Communications System
27 Oct 1993 Published by: DDN Network Info Center
(NIC@NIC.DDN.MIL) (800) 365-3642
DEFENSE DATA NETWORK
MANAGEMENT BULLETIN
The DDN MANAGEMENT BULLETIN is distributed online by the DDN Network
Information Center under DISA contract as a means of communicating
official policy, procedures and other information of concern to
management personnel at DDN facilities. Back issues may be read
through the TACNEWS server ("@n" command at the TAC) or may be
obtained by FTP (or Kermit) from the NIC.DDN.MIL host [192.112.36.5]
using login="anonymous" and password="guest". The pathname
for bulletins is ddn-news/ddn-mgt-bulletin-nn.txt (where "nn" is the
bulletin number).
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DDN Scheduled Service Interruptions
This bulletin supersedes DDN Management Bulletin 117, dated 10 February
1993, subject 'MILNET PSN Scheduled Service Interruptions.'
This DDN Management Bulletin provides information regarding scheduled
service interruption procedures, effective upon receipt. This DDN
Management Bulletin also provides guidance on how to submit requests
for DDN MILNET PSN Scheduled Service Interruption requests for
approval.
Recently, DISA/UTDS recieved numerous requests for scheduled downtime
at DDN MILNET PSN facilities without proper coordination and no end
user validation. Further, DISA/UTDS recieved many of these requests
from the Node Site Coordinators through the CONUS Monitoring Center
(CMMC). The CMMC is not authorized to approve Scheduled Service
Interruption requests without prior approval from UTDC/UNOC. Requests
should not be submitted to the CMMC -- except as INFORMATION ONLY.
Procedures and guidelines for DDN Scheduled Service Interruptions are
provided in DISA Circular 310-70-1, DCS Systems Control, Operational
Procedures TCF/PTF/MTC's, August 1992, Chapter 7. This DISA Circular
applies to military departments (MilDeps) and other DOD or governmental
agencies/activities responsible for the operation, maintenance and
management of the DCS (Defense Communications System), which includes
DDN MILNET PSN equipment and Interswitch Trunks (ISTs).
All future requests for DDN Backbone Scheduled Service Interruptions
should be submitted as directed by the DISA circular referenced above.
As a minimum, Node Site Coordinators must submit the following
information by message:
A. PSN Node and Location
B. Duration of Scheduled Outage
1. Date(s)
2. Time period
C. Statement certifying that users directly connected to
to the PSN are NOTIFIED and CONCUR with the scheduled
service interruption.
If your DDN MILNET PSN site does not have a copy of this DISA circular,
please check with your local Technical Control Facility (TCF), Patch
and Test Facility (PTF) or Nodal and Access Switch Monitoring and Test
Centers (MTCs). They are required to maintain copies of this
publication, that you may use for guidance on submitting requests for
scheduled service interruption. You can also order the DISA circular
through your local Publication Distribution Office (PDO) or Base
Administration Office. This document can be obtained by submitting DISA
Form 117, Publication or Blank Form Request to:
Defense Information Systems Agency
ATTN: BIAR
701 S. Courthouse Rd
Arlington, VA 22204-2199
Telephone: (703) 692-6972 or DSN 222-6972
All Node Site Coordinators should either have this DISA circular on
hand or ensure that it is available from their local Technical Control
Facility.
If your organization is unable to comply with DISA Circular 310-70-1,
Chapter 7, due to EMERGENCY notification of a scheduled service
interruption, please contact DISA/UTDS immediately for verbal approval
of the scheduled service interruption at DSN 222-2757 or COMM (703)
692-2757. NOTE: The Node Site Coordinator MUST obtain user concurrence
before submitting an emergency request.
Please remember emergency requests are permitted on a case-by-case
basis. This procedure IS NOT to be used for ROUTINE scheduled
service interruptions.
FOR CONUS: EMERGENCY scheduled service interruptions can be submitted
via E-Mail to the following addresses:
Action: milnetmgr@ddn-conus.ddn.mil
aopsmgr@ddn-conus.ddn.mil
Information: dca-mmc@cmsc.ddn.mil
FOR EUROPE AND PACIFIC: European and Pacific sites should forward
requests for scheduled service interruptions to the appropriate DOCC
area element.
POC is Capt John Lent, DISA/UTDS, DSN 222-2757/COMM (703) 692-2757,
E-mail address lentj@cc.ims.disa.mil.