[18528] in North American Network Operators' Group

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RE: Q:Why router with ATM interface comes out earlier than

daemon@ATHENA.MIT.EDU (George Janosik)
Mon Aug 3 19:06:39 1998

Date: Mon, 03 Aug 1998 18:57:10 -0400
To: "Christian Kuhtz" <ck@bellsouth.net>
From: George Janosik <gjanosik@torrentnet.com>
Cc: "Tony Li" <tli@juniper.net>, <tex@shrubbery.net>, <yuning@mindless.com>,
        <nanog@merit.edu>
In-Reply-To: <000101bdbf2e$9cfba420$2b0698cd@oreo.eng.bellsouth.net>

At 06:32 PM 8/3/98 , Christian Kuhtz wrote:
>> |  	Okay, so given all the great features that ATM is supposed to have
>> |  and the only thing that really sucks about it is the overhead
>> due to the 53
>> |  byte cell size, the obvious question is why can't there be an
>> ATM standard
>> |  with, say, 197 ( 4 times the current 48 byte payload) or even 389 ( 8
>> |  times 48 ) byte cells?
>> |  	Is there something magic about 53 or is the IP over ATM application
>> |  still so 'obscure' that there is no interest?

The old story was that the Telco guys wanted 32 byte payload and the data
guys wanted a 64 byte payload and the ITU split the difference.  Go figure.

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