SLIP CRC's and other reliability


Rob Horn (necntc!adelie!infinet!rhorn@AMES.ARC.NASA.GOV)
15 Apr 88 03:07:54 GMT


BAD MSG:
per 506 bytes of message instead of 16 bits of CRC. More robust
EC's exist if someone has good data on what errors need
correction. This FEC alone will make a very big difference to a
marginal voice or asynch digital channel. It can be cheaper than
the cost difference between an error correcting modem and a
normal modem to let the CPU spin a dozen extra instructions per
byte.

I have implemented LAPB on asynch and I think that FEC+IP+TCP
would be faster, more reliable, and less software.

--
				Rob  Horn
	UUCP:	...harvard!adelie!infinet!rhorn
		...ulowell!infinet!rhorn, ..decvax!infinet!rhorn
	Snail:	Infinet,  40 High St., North Andover, MA



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