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rfc:rfc1367

Network Working Group C. Topolcic Request for Comments: 1367 CNRI

                                                          October 1992
        Schedule for IP Address Space Management Guidelines

Status of this Memo

 This memo provides information for the Internet community.  It does
 not specify an Internet standard.  Distribution of this memo is
 unlimited.

Introduction

 This memo suggests a schedule for the implementation of the IP
 network number allocation plan described in RFC 1366.  This schedule
 is meant to support the implementation and deployment of an address
 aggregation mechanism for the Internet by proposing an achievable
 target for which we can all aim.  The timely deployment of that
 aggregation mechanism and the IP addressing plan will help the the
 size of the Internet router forwarding tables and management of the
 IP address space.  By doing so, it will help the current Internet
 addressing and routing technology operate during the interim period
 until the next generation technology is deployed. This interim
 solution in no way constrains the selection of the next generation
 addressing and routing technology.
 This draft schedule was put together by the FNC Engineering and
 Planning Group (FEPG) based on the IP addressing plan BOF of the July
 1992 IETF meeting, as well as discussions with a number (though, of
 course, not all) of knowledgeable and interested parties, including
 the IANA and IR.  This draft schedule assumes that the address
 aggregation mechanism will be available in the Internet by mid-1993.
 The activities described in this schedule are the precursors to that
 deployment, and will promote the efficient operation of that
 mechanism.  We feel that our assumptions are realistic and that this
 schedule can be met.  We encourage its open discussion as we move
 toward community consensus.
    Please send comments to topolcic@nri.reston.va.us, or to the
    mailing list ipalloc@nri.reston.va.us.  To be added to this
    mailing list, send a request to ipalloc-request@nri.reston.va.us.
 Note that the references below to an addressing plan and to criteria
 for regional address registries refer to RFC 1366.

Topolcic [Page 1] RFC 1367 Schedule for IP Address Space Guidelines October 1992

Draft Implementation Schedule for IP Network Number Allocation Plan:

    1) 31 October 92:
       The following address allocation procedures are continued:
       a) Initial set of criteria for selecting regional address
          registries will be put into place, and requests from
          prospective regional registries will be accepted by the
          IANA.
       b) Class A network numbers are practically impossible to
          obtain.
       c) Class B network numbers will continue to be issued only when
          reasonably justified.  If possible, a block of C's will be
          issued rather than a B. The requirements for allocating a
          Class B will become progressively more constrained until the
          date in step (3).
       d) Class C network numbers will be allocated according to the
          addressing plan.  Allocation will be performed by the
          Internet Registry (IR) if an appropriate regional registry
          has not yet been designated by the IANA.
    2) 14 February 93:
       Re-evaluate and readjust the schedule if necessary.
    3) 15 April 93:
       a) The IR begins to allocate all networks according to the
          addressing plan in appropriately sized blocks of Class C
          numbers.
       b) Class B network numbers will be difficult to obtain,
          following the recommendation of the addressing plan and only
          issued when justified.
    4) 6 June 93:
       Expected date that an address aggregation mechanism is
       available in the Internet.

References

 [1] Gerich, E., "Guidelines for Management of IP Address Space", RFC
     1366, Merit, October 1992.

Topolcic [Page 2] RFC 1367 Schedule for IP Address Space Guidelines October 1992

Security Considerations

 Security issues are not discussed in this memo.

Author's Address

 Claudio Topolcic
 Corporation for National Research Initiatives
 895 Preston White Drive
 Suite 100
 Reston, VA  22091
 Phone: (703) 620-8990
 EMail: topolcic@NRI.Reston.VA.US

Topolcic [Page 3]

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