"torequest" - 1 õppematerjal

Tööstuslik andmeside kontrolltöö 2 abimaterjal - vastused

­ · no flow control drift. Reject(REJ) (C/R) is used to request the retransmission of frames.­ Selective · no need to support multipoint links (e.g., polling) Reject(SREJ) (C/R) is used by a station torequest retransmission of specific frames. Error recovery, flow control, data re-ordering(sequencing): Unnumbered Format commands and responses ­ all delegated to higher layers!