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Network Working Group Jack Houldsworth
INTERNET DRAFT ICL Enterprise Systems
October 1993
SC6 Documents on Liaison with the IETF
in the CIDR Environment
Status of this Memo
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1 Introduction
This document includes the following documents produced by the
ISO/IEC JTC1/SC6 at its meeting in Seoul, October 1993:
- "ISO/IEC JTC1/SC6 Liaison Contribution to the Internet Society"
(SC6 N8419)
- "Statement of Expected Benefits Resulting From Liaison Between
ISO/IEC JTC1/SC6 and the Internet Society" (SC6 N8420)
Section 2 contains the first document. Section 3 contains the second
document.
2 ISO/IEC JTC1/SC6 Liaison Contribution to the Internet Society
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Attached to this liaison statement is SC 6 N 8420 entitled "Statement
of Expected Benefits Regarding Liaison between the Internet Society
and ISO/TEC JTC 1/SC 6", which SC 6 is sending to JTC 1 in support of
its liaison initiative with the Internet Society and its principal
Internet standards-making body (the IETF).
It is apparent to SC 6 that there are clear benefits to be obtained
from identifying and agreeing on common goals and objectives from
both the ISO and Internet perspectives. SC 6 offers a draft set of
goals and benefits in N 8420. In order for the current liaison
initiative to succeed, it is essential for the Internet Society and
JTC 1, in particular its SC 6, to adopt a common "memorandum of
understanding (MOU)" that expresses and agreement between affected
parties concerning the expected goals and benefits of liaison. SC 6
hopes to pursue such an MOU with the Internet Society, with the
objective of making the MOU the basis of a liaison relationship. It
is expected that such an MOU would also address the change control
mechanisms. SC 6 views favourably granting Category A liaison to the
Internet Society, but the nature and terms of the liaison
relationship will of course be matters of agreement between the ITTF,
JTC 1 and the Internet Society.
Identification of Issues Concerning Effective Liaison between the
Internet Society and SC6
1. SC 6 recognizes the existence of a multiprotocol environment
that includes both open and proprietary standards and that
TCP/IP forms an essential component of this environment.
2. SC 6 observes that there are a number of different initiatives
which have either been taken or may be undertaken:
- The IETF is working on issues related to the deployment and
operations of CLNP in the Internet ("Guidelines for NSAP
allocation"; NOOP WG0. CLNP was adopted by SC 6 in 1988
because it was the best available protocol for
connectionless internetworking in the context of OSI. SC 6,
therefore, strongly encourages this initiative and views it
as a very positive development.
- The IETF is considering the use of TUBA as its IPng
protocol. SC 6 encourages fair consideration of this
approach.
- The IETF is already working on adapting the use of OSI
routeing protocols (ISIS, IDRP) in the Internet.
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- Both SC6 and the IETF are working on the provision of new
network layer capabilities such as multicast, mobility, and
support for multimedia applications.
3. These areas should be evaluated independently and SC 6
encourages collaboration in all of them. This work should
continue regardless of the status of discussions on liaison
relationships.
3 Statement of Expected Benefits Resulting From Liaison Between ISO/IEC
JTC1/SC6 and the Internet Society
Background on OSI Protocols and Related Work by the Internet Society
Interconnection and internetworking protocols have been developed by
ISO/IEC and ITU-T in accordance with the OSI reference model
architecture. They are known colloquially as OSI protocols. The
Internet community has developed difference protocols for the same
basic purposes. These protocols are known formally as the Internet
Protocol Suite (IPS) but they are nearly always referred to
colloquially as TCP/IP protocols (Transmission Control
Protocol/Internet Protocol). TCP and IP incorporate the functions of
the OSI class 4 transport and connectionless Network layer protocols,
ie the networking part of the IPS.
Goals and Benefits
The establishment and pursuit of a collaborative effort is expected
to:
- Simplify the deployment and operation of the global
communications infrastructure;
- Facilitate and accelerate the growth of a global communications
infrastructure based on open systems networking standards;
- Reduce the complexity and cost of open systems networking to
the users and providers of network products and services by
reducing the number of alternatives.
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- More efficiently use the scarce worldwide resource of
networking experts involved in the definition of new and
improved open systems networking protocols;
- Enable ISO/IEC to develop and evolve its standards in such a
way as to promote their usage within the global communications
infrastructure.
The IETF and JTC 1 SC 6 have begun to develop new capabilities such
as multicast mobility, and multimedia applications. Effective
liaison will focus the resources of the two groups on common
solutions to these problems, accelerating the development of these
new capabilities and their deployment within the global
communications infrastructure.
Methodology
Details of the technical interaction will be developed jointly by SC
6 and the Internet Society within the terms of agreement that may be
reached between the Internet Society and JTC 1 within respect to
liaison.
Background to the Liaison Initiative
At its 1992 plenary meeting in San Diego, SC 6 instructed its
chairman in initiate a dialogue with external bodies with whom SC 6
shares a mutual interest, such as the Internet Architecture Board
(IAB) and the Frame Relay Forum, with a view to establishing liaison
relationships between those bodies and SC 6 (see Resolution 138 of SC
6/N 7684). In the absence of a chairman of SC 6 following the San
Diego meeting, the action was undertaken in late 1992 on an interim
Society (ISOC) and the Internet Architecture Board (IAB).
Discussion of the purpose and form of a liaison relationship between
SC 6 and the Internet Society took place over a period of months that
included IAB participation in the February 1993 meetings of SC 6
working groups in London and Mr Houldsworth's participation in a
meeting of the IAB in Columbus, Ohio in March 1993.
JTC 1 was informed of these liaison initiatives at their March 1993
plenary meeting in Berlin. JTC 1 instructed SC 6 to proceed
immediately with the establishment of a Category C relationship with
the IAB in accordance with he JTC 1 Directives (see Resolution 44 of
SC 6 N 8055). JTC 1 also instructed other specific SCs to consider
their requirements for liaison with the Internet Society.
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[NOTE: The IAB, which desires a relationship with JTC 1 and its
subcommittees broader than that offered by a Category C relationship
with SC 6, has written to the ITTF to request Category A liaison
status with JTC 1. Pending the completion of this initiative with
JTC 1, the IAB has explicitly stated its reluctance to enter into a
Category C relationship with SC 6 (or with SC 21 or SC 18, which have
also discussed the possibility of establishing Category C
relationships with the Internet Society).]
The JTC 1 Directives state that a subcommittee wishing to establish a
liaison must provide a statement of the benefits that the
relationship will bring. Therefore, in accordance with clause 4.3.2
of the JTC 1 Directives, the attached document is submitted to JTC 1
to assist in the formal establishment of a liaison relationship.
SC 6 proposes to JTC 1 that a Category A liaison relationship between
SC 6 and the Internet Society would be mutually beneficial. Further,
subject to JTC 1 approval SC 6 offers to develop with the Internet
Society a "Memorandum of Understanding" (MOU) describing the precise
nature of the liaison relationship. SC 6 suggests that the subject
MOU could be applicable to the situation in which other JTC 1 SCs
might find themselves with respect to the liaison with the Internet
Society.
4 Author's Address
Jack Houldsworth
ICL Enterprise Systems
Cavendish Road, Stevenage
Herts SG1 2DY, UK
Phone: +44 438 313361 (ext 6112)
EMail: j.houldsworth@ste0906.wins.icl.co.uk
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