Article View: comp.sys.misc
Article #1462Error-Checking Xfer Protocols
From: Chuck Forsberg
Date: Mon, 07 Mar 1988 23:03
Date: Mon, 07 Mar 1988 23:03
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1399 bytes
>has been). Any number of these 'new' protocols (SEAlink, Zmodem, >etc...) are available only on Mess-DOS machines, and are a pain to >implement, if not impossible because of memory constraints on 8-bit >machines. WXmodem gives significantly better performance than >'vanilla' Xmodem, while retaining the comparative compactness of >implementation, though it is somewhat more complex. > > ---- George Madison > It's not the memory requirements that stop them dead in the tracks, it's the concurrent I/O requirement. Zmodem provides a mechanism for dealing with this, and you might see something along these lines in the future. Of course, without concurrent I/O, you won't get all of the high throughput ZMODEM is famous for. Chuck Forsberg WA7KGX ...!tektronix!reed!omen!caf Author of YMODEM, ZMODEM, Professional-YAM, ZCOMM, and DSZ Omen Technology Inc "The High Reliability Software" 17505-V NW Sauvie IS RD Portland OR 97231 503-621-3406 TeleGodzilla BBS: 621-3746 CIS: 70007,2304 Genie: CAF
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Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!lll-winken!lll-tis!ames!pasteur!ucbvax!omen.UUCP!caf From: caf@omen.UUCP (Chuck Forsberg) Newsgroups: comp.sys.misc Subject: Error-Checking Xfer Protocols Message-ID: <KPETERSEN.12380592216.BABYL@SIMTEL20.ARPA> Date: 7 Mar 88 23:03:00 GMT Sender: usenet@ucbvax.BERKELEY.EDU Organization: The Internet Lines: 19