History of Network protocol

	Revision 6 . . December 17, 2001 9:50 pm by Hannes Hirzel [Added link to 'systems engineering' and 'network protocol design principles']
	Revision 5 . . December 1, 2001 6:28 am by The Anome [mentioned OSI model]
	Revision 4 . . December 1, 2001 6:26 am by The Anome [made certain things bold]
	Revision 3 . . December 1, 2001 6:24 am by The Anome [Created *very* approximate OSI layer categories]
	Revision 2 . . December 1, 2001 6:17 am by The Anome [made stub index page for protocols, alphabetical order, started hierarchy]
	Revision 1 . . December 1, 2001 6:14 am by The Anome [made network protocol index page]

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Difference (from prior major revision) (no other diffs)

Added: 4a5,7

Systems engineering principles have been applied to design network protocols.