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Re: Ymodem error checking

From: Øyvind Harboe <oyvind dot harboe at zylin dot com>
To: Gary Thomas <gary at mlbassoc dot com>
Cc: eCos Discussion <ecos-discuss at ecos dot sourceware dot org>
Date: Sun, 03 Jul 2005 17:56:21 +0200
Subject: Re: [ECOS] Ymodem error checking
References: <1120401601.11779.7.camel@localhost.localdomain> <1120403887.31874.65.camel@hermes>

> Each [relatively small] record in the Y-modem protocol contains
> a simple checksum.  This must match for the packet to be ACK'd
> Also, packets are numbered and will only be accepted in the proper
> order. This level of checking is sufficient (at least 99% of the 
> time IMHO)

OK. Thanks.

It seems to me that there are many other things to worry about before
false successes from Ymodem uploads show up on the radar.

-- 
Øyvind Harboe
http://www.zylin.com


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References:
- Ymodem error checking
  - From: Øyvind Harboe
- Re: Ymodem error checking
  - From: Gary Thomas

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