RFC1925. It must be approved as a corporate policy and presented during induction training for every employee!

RFC1925 – The Twelve Networking Truths
Network Working Group R. Callon, Editor
Request for Comments: 1925 IOOF
Category: Informational 1 April 1996

The Twelve Networking Truths

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 memo documents the fundamental truths of networking for the Internet community. This memo does not specify a standard, except in the sense that all standards must implicitly follow the fundamental truths.

Acknowledgements
The truths described in this memo result fr om extensive study over an extended period of time by many people, some of whom did not intend to contribute to this work. The editor merely has collected these truths, and would like to thank the networking community for originally illuminating these truths.

1. Introduction
This Request for Comments (RFC) provides information about the fundamental truths underlying all networking. These truths apply to networking in general, and are not limited to TCP/IP, the Internet, or any other subset of the networking community.

2. The Fundamental Truths
(1) It Has To Work.
(2) No matter how hard you push and no matter what the priority, you can’t increase the speed of light.
(2a) (corollary). No matter how hard you try, you can’t make a baby in much less than 9 months. Trying to speed this up *might* make it slower, but it won’t make it happen any
quicker.
(3) With sufficient thrust, pigs fly just fine. However, this is not necessarily a good idea. It is hard to be sure wh ere they are going to land, and it could be dangerous sitting under them
as they fly overhead.
(4) Some things in life can never be fully appreciated nor understood unless experienced firsthand. Some things in
networking can never be fully understood by someone who neither builds commercial networking equipment nor runs an operational network.
(5) It is always possible to aglutenate multiple separate problems into a single complex interdependent solution. In most cases
this is a bad idea.
(6) It is easier to move a problem around (for example, by moving the problem to a different part of the overall network
architecture) than it is to solve it.
(6a) (corollary). It is always possible to add another level of indirection.
(7) It is always something
(7a) (corollary). Good, Fast, Cheap: Pick any two (you can’t have all three).
(8 ) It is more complicated than you think.
(9) For all resources, whatever it is, you need more.
(9a) (corollary) Every networking problem always takes longer to solve than it seems like it should.
(10) One size never fits all.
(11) Every old idea will be proposed again with a different name and a different presentation, regardless of whether it works.
(11a) (corollary). See rule 6a.
(12) In protocol design, perfection has been reached not when there is nothing left to add, but when there is nothing left to take away.

Security Considerations
This RFC raises no security issues. However, security protocols are subject to the fundamental networking truths.

References
The references have been deleted in order to protect the guilty and avoid enriching the lawyers.

Author’s Address
Ross Callon
Internet Order of Old Farts
c/o Bay Networks
3 Federal Street
Billerica, MA 01821
Phone: 508-436-3936
EMail: rcallon@baynetworks.com

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