On Sat, Nov 3, 2012 at 9:08 PM, <[email protected]> wrote: > > > ... > > In practice, the 7 layer model was not an implementation recipe - TCP/IP > > in the broader Internet sense showed that engineering required working > > with the tech of the time, not the abstractions from some CS class or > > government contract sales team. TCP in the narrow sense shows it again > > - sticking TCP in layer 4 and stopping there doesn't work - it claims > > everything is a stream, when 'everything is a datagram' is closer to the > > truth, and a more useful assumption. TCP further assumes it can > > reliably deliver data, when actually it's only reliable enough if you > > care only enough to do the demo. > > ... > > I don't know what to think of the following, but it may be germane: > > http://rina.tssg.org/docs/JohnDay-LostLayer120306.pdf Somewhat off topic, but Day has another good presentation at http://csr.bu.edu/rina/KoreaHowtoCleanASlate100219.pdf.
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