Subj : Packet Vs Circuit Switch To : Bo Simonsen From : Andy Ball Date : Sat Oct 23 2004 03:07 am Hello Bo, BS> But if we see in the OSI model, it's not really the application > layers job to make scure the data is valid. Which we actually do > anyhow, with fx. CRC check in Zmodem and brothers. What is "fx"? Which is older, the OSI model or XModem? - Andy Ball * SLMR 2.1a * --- BBBS/NT v4.01 Flag-5 # Origin: FamilyNet Sponsored by http://www.christian-wellness.net (8:8/2) * Origin: BBS Networks @ www.bbsnets.com 808-839-6036 (1:10/345) .