Conm.an alt; hialt;t, wii it^tibe fleaicaieO at pnvate lines for eArt ;ac. ... The most popular practices involve some type of error detection and retransmission scheme: manual, echo-back, ... Manual correction methods require the critical information fields in a message to be entered several times by the operator at the sending station.
|Title||:||Data Network Planning and Design|
|Author||:||University of Michigan. Engineering Summer Conferences|