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I-D ACTION:draft-ymbk-arch-guidelines-00.txt



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	Title		: Some Internet Architectural Guidelines and Philosophy
	Author(s)	: R. Bush, T. Griffin, D. Meyer
	Filename	: draft-ymbk-arch-guidelines-00.txt
	Pages		: 26
	Date		: 20-May-02
	
RFC 1958 [RFC1958] describes the underlying principles of the
Internet architecture. This note extends that work by outlining some
of the philosophical guidelines to which architects and designers of
Internet backbone networks should adhere. While many of the areas
outlined in this document may be controversial, the unifying
principle described here, controlling complexity as a mechanism to
control costs and reliability, should not be. Complexity in carrier
networks networks can derive from many sources. However, as stated in
[DOYLE2002], 'Complexity in most systems is driven by the need for
robustness to uncertainty in their environments and component parts
far more than by basic functionality'. Thus the major thrust of this
document is to raise awareness about the complexity of some of our
current architectures, and to examine the effect such complexity will
almost certainly have on the IP carrier industry's ability to
succeed.
The rest of this document is organized as follows: The first section
describes the Simplicity Principle. The remainder of the document
outlines the high-level consequences of the Simplicity Principle and
how it should guide large scale network architecture and design
approaches.

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