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+Network Working Group                                         R. Skelton
+Request for Comments: 1673                                          EPRI
+Category: Informational                                      August 1994
+
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+           Electric Power Research Institute Comments on IPng
+
+Status of this Memo
+
+   This memo provides information for the Internet community.  This memo
+   does not specify an Internet standard of any kind.  Distribution of
+   this memo is unlimited.
+
+Abstract
+
+   This document was submitted to the IETF IPng area in response to RFC
+   1550.  Publication of this document does not imply acceptance by the
+   IPng area of any ideas expressed within.  Comments should be
+   submitted to the big-internet@munnari.oz.au mailing list.
+
+Executive Summary
+
+   The question of the future of the Internet protocol (IP) is an issue
+   of national if not international concern. It is critical to the
+   building of a National Information Infrastructure, comparable to the
+   adoption of basic standards for the industrial era such as railways,
+   highways and electricity.
+
+   The Electric Power Research Institute (EPRI) is a non-profit
+   organization, with 700 voluntary utility members, managing a
+   technical research and development program for the electric utility
+   industry to improve power production, distribution and use. The
+   electric power industry is a major user of computing and
+   communications and is fully committed to open systems.
+
+   While the industry is today a heavy user of the Internet Protocol
+   Suite (IPS) it is following a long term strategy based on
+   international standards developed by ISO and CCITT and national
+   standards developed by the IEEE, ANSI and other standards bodies that
+   employ formal review and voting procedures.
+
+   This strategy is based on a survey of needs in all aspects of the
+   electrical power supply enterprise.  It concluded that these needs
+   are met more effectively by the current suite of OSI protocols and
+   international standards under development. Therefore, EPRI developed
+   the Utility Communications Architecture (UCA) specification for
+   communications and the Database Access Integrated Services
+   specification for data exchange both based on the OSI model and
+
+
+
+Skelton                                                         [Page 1]
+
+RFC 1673                 EPRI Comments on IPng               August 1994
+
+
+   international standards.
+
+   These specifications have been incorporated into the Industry
+   Government Open Systems Specification (IGOSS).  They are receiving
+   favorable response and application by the industry and its suppliers
+   as well as the support of the natural gas and waterworks industries.
+
+   The issues facing the Internet community concerning growth and the
+   address and routing limitations of IP in particular, provide an ideal
+   opportunity for creating the  national uniform information transport
+   superhighway. This is critical to the NII Agenda and the only
+   proposal that will achieve this goal is one that is acceptable from
+   both private and public sector viewpoints with both a national and an
+   international perspective.
+
+   EPRI also believes it is critically important that new requirements
+   need to be achieved by convergence of efforts to develop additional
+   standards.  Security, directory services, network management, and the
+   ability to support real-time applications are four examples of where
+   new convergent standards efforts are required.
+
+   Just as society could not in the past accept multiple standards for
+   the gauge of the nation's railways,  we can no longer accept multiple
+   standards for information transport.
+
+Engineering Considerations
+
+   1. Mandatory Requirement.
+
+      Inter networking must evolve to provide an industrial strength
+      computing and communications environment for multiple uses of
+      globally connected network resources.  Specifically the underlying
+      transport must provide high integrity support for upper layer
+      industrial OSI applications including but not limited to MMS  and
+      TP. Use of interface layers such as RFC 1006 is not acceptable
+      except as a transition strategy.
+
+   2. Basic Requirements.
+
+      - Scaleability
+        The addressing scheme must have essentially an unlimited address
+        space to encompass an arbitrarily large number of information
+        objects.  Specifically it must solve the fundamental limitations
+        of 32 bit formats, a format for 20 octets and above is considered
+        suitable.
+
+
+
+
+
+
+Skelton                                                         [Page 2]
+
+RFC 1673                 EPRI Comments on IPng               August 1994
+
+
+      - Routing table economy
+        Network addressing must achieve significant economy in routing
+        database size with very large networks.
+
+      - Support for the existing Internet
+        The existing internetworking paradigm and existing OSI and IPS
+        applications are to be supported.
+
+   3. Key Engineering Considerations - A pragmatic solution.
+
+      - Available now
+        The solution must be available now using mature, internationally
+        agreed standards and off-the-shelf implementations for hosts and
+        routers.  The solution must leverage existing investments in
+        standards development, deployment and experience while at the
+        same time provide for all basic requirements.
+
+      - Ease of Transition
+        Any solution must provide an evolutionary transition path using
+        an OSI.
+
+      - IP dual network layer strategy.
+        This must be achievable without modifications to existing
+        inter-domain routing protocols while providing the ability to
+        support proprietary protocols such as IPX and Appletalk.  The
+        scheme must provide the ability to encompass other addressing
+        schemes such as X.121 and E.164.  Existing SNMP and CMIP MIBs
+        must be applicable and available.  Internet domain names need
+        to be retained.
+
+      - Routing effectiveness
+        This key objective requires features such as route aggregation,
+        service selection, and low frequency host advertisements; host
+        routing intelligence should not be required.
+
+      - Flexible Efficient Administration
+        Operational needs will need to be met in an economic and
+        flexible manner.  Addressing allocations can be either
+        geographically based or based on carrier ID or both and will be
+        administered by policy not network topology.  Simplified and
+        robust configurability is required which includes the ability to
+        identify resources e.g., multi-homed hosts and applications,
+        instead of interfaces.
+
+      - Mobility
+        Dynamic addressing is required where hosts have the ability to
+        learn their own network address with the minimum of human
+        intervention.
+
+
+
+Skelton                                                         [Page 3]
+
+RFC 1673                 EPRI Comments on IPng               August 1994
+
+
+Security Considerations
+
+   Security isses are not discussed in this memo.
+
+Author's Address
+
+   Ron Skelton
+   Member of Technical Staff
+   Advanced IT Group
+   Electric Power Research Institute
+   Palo Alto CA 94303
+
+   EMail: RSKELTON@msm.epri.com
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+Skelton                                                         [Page 4]
+