>>   > Jeff Mogul had a paper about the benefits of 'sync'ing incremental a
>>   > couple of usenixes ago.  As i recall, it was a very good paper.
>> 
>> Jeffrey C. Mogul, "A Better Update Policy", WRL Research Report 94/4,
>>   April 1994.
>> 
>> You can ftp a postscript version from
>>   gatekeeper.dec.com:/pub/DEC/WRL/WRL-TR-94.4.ps.

I think the good URL is indeed
	ftp://gatekeeper.dec.com/pub/DEC/WRL/research-reports/WRL-TR-94.4.ps

Best regards.

	Thierry