From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joel Salomon To: 9fans@cse.psu.edu In-Reply-To: Message-Id: Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Subject: [9fans] compare-by-hash Date: Thu, 31 Jul 2003 22:45:35 -0400 Topicbox-Message-UUID: 0e07b628-eacc-11e9-9e20-41e7f4b1d025 > I assume you think Venti does compare-by-hash, but it doesn't. Actually, I was responding to the unanswered question of a month ago - how concerned do we need to be about hash collisions? Answer: not very. Even at the petabyte and exabyte levels, these would be vanishingly unlikely. (BTW, are there 'standard' prefixes for higher ranges than exa- ? *Very* important to be able to say when SHA-1 will start having problems :-) --Joel