Technical
The Kermit protocol supports text and binary file transfers on both full-duplex and half-duplex 8 bit and 7-bit serial connections in a system- and medium-independent fashion, and is implemented on hundreds of different computer and operating system platforms. On full-duplex connections, a Sliding Window Protocol is used with selective retransmission which provides excellent performance and error recovery characteristics. On 7-bit connections, locking shifts provide efficient transfer of 8-bit data. When properly implemented, as in the Columbia University Kermit Software collection, Columbia University's Kermit group claim performance is equal to or better than other protocols such as ZMODEM, YMODEM, and XMODEM, especially on poor connections. On connections over RS-232 Statistical Multiplexers where some control characters do not transmit, Kermit can be configured to work, unlike protocols like XMODEM that require all 256 bytes be transmittable.
Read more about this topic: Kermit (protocol)
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