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[ax25-layer2] Re: EDAC vs HDLC

Samuel A. Falvo II sam.falvo at gmail.com
Sat Aug 5 00:28:42 UTC 2006


On 8/4/06, Glenn Thomas <glennt at charter.net> wrote:
> I think the main issue here is whether or not we ought to include
> data integrity in the ISO level two description. To be sure, data

ISO declares this the job of layer 1 -- the physical layer.  However,
there are only so many things you can do at layer 1 to ensure reliable
links.  That's why layer 2 recognizes that layer 1 is fallible, and
requires the frame check sequence.

-- 
Samuel A. Falvo II




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