[c-nsp] ATM CRC errors

sthaug at nethelp.no sthaug at nethelp.no
Wed Oct 27 15:58:29 EDT 2004


> No, CRC errors are not associated with discarded cells. That's ridiculous.
> CRC is a method of verifying the packets were transmitted properly by
> verifying the supplied checksum against the calculated checksum. Demand
> escalation if that's the nonsense you're being fed.

Sorry, you're wrong. Wrong AAL5 CRC is indeed often due to discarded
cells. Think about how ATM SAR works, and what the AAL5 CRC covers.

Steinar Haug, Nethelp consulting, sthaug at nethelp.no


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