Tööstuslik andmeside kontrolltöö 2 abimaterjal - vastused
> Xmodem, One of the oldest async file transfer protocols Uses stop-and-wait ARQ. Advantages · primary station to transfer a response. after receiving permission from the primary (Service primitives at interface to higher layer: delay
Universally available · Copes well with noisy lines Disadvantages · Small packet size = high station, thesecondary station initiates it's transmission. REPLY.request to poll REPLY.indication when response > PPP operation
overheads = low efficiency · No batch facility this transmission from the secondary to the primarymay be much more than just comes REPLY-UPDATE for higher layer to feed data into After the LCP component of PPP establishes the link, then the
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