ethernet and switches, was Re: [rescue] Mozilla Firefox

Dave McGuire mcguire at
Fri Apr 23 14:07:43 CDT 2004

On Apr 23, 2004, at 2:52 PM, Eric Dittman wrote:
>>>>    Wow, too many incarnations, reimplementations, small 
>>>> modifications.
>>>>    It's been reinvented multiple times with each increase in 
>>>> "speed".
>>>>    I think they've reached their limit and ought to start over 
>>>> fresh.
>>> By that argument SCSI sucks, too.
>>    I agree with the basic point you're making, but SCSI was designed 
>> to
>> be scalable in the first place.
> Not when it was known as SASI.  As for the protocol itself, look at the
> problems with multiple LUNs, vendor-specific extensions for non-disk
> devices, etc. that cause incompatibilities and the need for blacklists
> and whitelists in the driver and application code.  Even though there
> are better storage methods available, we still use SCSI because it 
> works
> despite the workarounds that sometimes are necessary.

   True, but SASI was the crufty, proprietary Shugart-designed 
interconnect.  When they grabbed it and turned it into SCSI, a fair 
number of changes were made, such that SCSI is largely incompatible 
with SASI.  They are related, but we can't really say they're the same 


Dave McGuire          "PC users only know two 'solutions'...
Cape Coral, FL          reboot and upgrade."    -Jonathan Patschke

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