Re: [Hist Trivia] IP Protocol Layers

To: Jon Crowcroft <J.Crowcroft at CS.UCL.AC.UK>
Subject: Re: [Hist Trivia] IP Protocol Layers
From: Joe Touch <touch at ISI.EDU>
Date: Mon, 23 Jul 2001 11:17:00 -0700
Cc: Steve Deering <deering at cisco.com>, "Marshall T. Rose" <mrose at DBC.MTVIEW.CA.US>, Keith Moore <moore at cs.utk.edu>, Danny Cohen <Danny.Cohen at sun.com>, vcerf <vcerf at MCI.NET>, cheshire <cheshire at apple.com>, ietf <ietf at ietf.org>, touch at ISI.EDU
References: <10321.995534328@cs.ucl.ac.uk>

Jon Crowcroft wrote:
> 
> on reflection (pun intended):
> layering is a clothing methodology for people who live in fractal climates
> not a design pattern for correct or efficient communications
> systems....
>  cheers
> 
>    jon

Another adage:

	model != mechanism

I.e., layering is, IMO at least, a model. Fine for
describing things, but not necessarily a good blueprint
for an implementation.

Joe

Follow-Ups:
- Re: [Hist Trivia] IP Protocol Layers
  - From: Greg Minshall
- Re: [Hist Trivia] IP Protocol Layers
  - From: Mahadevan Iyer
- Re: [Hist Trivia] IP Protocol Layers
  - From: Randy Bush

References:
- Re: [Hist Trivia] IP Protocol Layers
  - From: Jon Crowcroft

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Re: [Hist Trivia] IP Protocol Layers

Note: Messages sent to this list are the opinions of the senders and do not imply endorsement by the IETF.